Weather in Lang Son in may
Averaged values across several years
Daily air temperature for the month
Day
Night
Tap a date to open detailed weather for that day
| May | Day | Night | Wind | Precip | Humidity |
|---|---|---|---|---|---|
| 1Thu | 3 m/s | 0.7 mm | 80% | ||
| 2Fri | 3 m/s | 1 mm | 78% | ||
| 3Sat | 3 m/s | 0.9 mm | 78% | ||
| 4Sun | 3 m/s | 1.8 mm | 80% | ||
| 5Mon | 2 m/s | 0.5 mm | 80% | ||
| 6Tue | 2 m/s | 0.6 mm | 77% | ||
| 7Wed | 2 m/s | 1 mm | 80% | ||
| 8Thu | 2 m/s | 2.1 mm | 84% | ||
| 9Fri | 2 m/s | 0.8 mm | 84% | ||
| 10Sat | 2 m/s | 2.1 mm | 83% | ||
| 11Sun | 3 m/s | 0.5 mm | 82% | ||
| 12Mon | 2 m/s | 1.9 mm | 81% | ||
| 13Tue | 3 m/s | 1 mm | 84% | ||
| 14Wed | 2 m/s | 0.3 mm | 83% | ||
| 15Thu | 2 m/s | 0.6 mm | 82% | ||
| 16Fri | 3 m/s | 0.9 mm | 82% | ||
| 17Sat | 2 m/s | 1.1 mm | 78% | ||
| 18Sun | 2 m/s | 0.6 mm | 79% | ||
| 19Mon | 2 m/s | 1.5 mm | 81% | ||
| 20Tue | 3 m/s | 2.3 mm | 82% | ||
| 21Wed | 3 m/s | 0.9 mm | 80% | ||
| 22Thu | 3 m/s | 1.4 mm | 79% | ||
| 23Fri | 2 m/s | 0.9 mm | 83% | ||
| 24Sat | 2 m/s | 1.4 mm | 82% | ||
| 25Sun | 2 m/s | 0.9 mm | 82% | ||
| 26Mon | 3 m/s | 1.7 mm | 81% | ||
| 27Tue | 2 m/s | 1.9 mm | 82% | ||
| 28Wed | 1 m/s | 2 mm | 83% | ||
| 29Thu | 2 m/s | 3.1 mm | 83% | ||
| 30Fri | 2 m/s | 2.3 mm | 84% | ||
| 31Sat | 2 m/s | 0.7 mm | 82% |
Day and night air temperature
Day +29°C
Night +22°C
Weather highs and lows in Lang Son for may
- Warmest day: 5 may, +31°C
- Coldest night: 1 may, +20°C
- Max precipitation: 29 may, 3.1 mm
Climate in Lang Son in may
- Average daytime temperature: +29°C
- Average nighttime temperature: +22°C
- Precipitation (monthly average): 39.1 mm
- Days with precipitation: 9.9
- Humidity: 81%
- Wind: 2 m/s
- Data: 7 years / coverage 100%
Daily air temperature for the month
Day
Night
Tap a date to open detailed weather for that day
| May | Day | Night | Wind | Precip | Humidity |
|---|---|---|---|---|---|
| 1Thu | 2 m/s, N | 3.5 mm | 90% | ||
| 2Fri | 1-2 m/s, SSW | 0 mm | 75% | ||
| 3Sat | 2-4 m/s, SSW | 0.1 mm | 77% | ||
| 4Sun | 3-4 m/s, SSW | 1.5 mm | 85% | ||
| 5Mon | 2-3 m/s, S | 0 mm | 80% | ||
| 6Tue | 2-3 m/s, S | 1.3 mm | 77% | ||
| 7Wed | 2-4 m/s, S | 0.1 mm | 78% | ||
| 8Thu | 3-5 m/s, S | 0 mm | 80% | ||
| 9Fri | 2-3 m/s, NW | 0.9 mm | 81% | ||
| 10Sat | 1-3 m/s, NE | 9.3 mm | 84% | ||
| 11Sun | 4-5 m/s, NNE | 0.4 mm | 77% | ||
| 12Mon | 1-2 m/s, S | 0 mm | 65% | ||
| 13Tue | 2-3 m/s, S | 0 mm | 77% | ||
| 14Wed | 2-3 m/s, SSW | 0.5 mm | 85% | ||
| 15Thu | 1-2 m/s, S | 0 mm | 88% | ||
| 16Fri | 2-3 m/s, SSW | 4.2 mm | 88% | ||
| 17Sat | 2-3 m/s, S | 0.2 mm | 93% | ||
| 18Sun | 2-3 m/s, SSW | 0.9 mm | 93% | ||
| 19Mon | 1-3 m/s, SSE | 8.1 mm | 93% | ||
| 20Tue | 3-5 m/s, S | 8.3 mm | 87% | ||
| 21Wed | 3-4 m/s, S | 0.9 mm | 85% | ||
| 22Thu | 3-4 m/s, S | 4.1 mm | 85% | ||
| 23Fri | 1-2 m/s, NNE | 0.7 mm | 94% | ||
| 24Sat | 3-4 m/s, NNE | 1 mm | 93% | ||
| 25Sun | 3-4 m/s, NNE | 0.1 mm | 80% | ||
| 26Mon | 2 m/s, NNE | 0 mm | 77% | ||
| 27Tue | 1 m/s, ESE | 0 mm | 84% | ||
| 28Wed | 1-3 m/s, SW | 2 mm | 90% | ||
| 29Thu | 2-3 m/s, NNE | 5.8 mm | 95% | ||
| 30Fri | 1 m/s, E | 0.2 mm | 92% | ||
| 31Sat | 2-3 m/s, SSW | 0.2 mm | 87% |
Weather highs and lows in Lang Son for may
- Warmest day: 5 may, +33°C
- Coldest night: 11 may, +16°C
- Max precipitation: 10 may, 9.3 mm
Climate in Lang Son in may
- Year: 2025
- Average daytime temperature: +28°C
- Average nighttime temperature: +21°C
- Precipitation (month): 54.3 mm
- Days with precipitation: 11
- Humidity: 84%
- Wind: 2 m/s
Daily air temperature for the month
Day
Night
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| May | Day | Night | Wind | Precip | Humidity |
|---|---|---|---|---|---|
| 1Wed | 4-5 m/s, NNE | 0 mm | 80% | ||
| 2Thu | 2-3 m/s, NNE | 3.1 mm | 94% | ||
| 3Fri | 3-5 m/s, S | 5.1 mm | 90% | ||
| 4Sat | 3-5 m/s, S | 7 mm | 89% | ||
| 5Sun | 2-3 m/s, NE | 0.7 mm | 88% | ||
| 6Mon | 2-3 m/s, S | 1.2 mm | 80% | ||
| 7Tue | 2-4 m/s, SSW | 0.8 mm | 82% | ||
| 8Wed | 1-3 m/s, S | 11.4 mm | 80% | ||
| 9Thu | 2 m/s, E | 0.5 mm | 91% | ||
| 10Fri | 2-4 m/s, SSW | 0 mm | 87% | ||
| 11Sat | 2-3 m/s, SSW | 0.2 mm | 86% | ||
| 12Sun | 1-3 m/s, NNE | 1.5 mm | 89% | ||
| 13Mon | 3-4 m/s, NNE | 0.3 mm | 83% | ||
| 14Tue | 1-2 m/s, ENE | 0 mm | 71% | ||
| 15Wed | 1 m/s, S | 1.2 mm | 83% | ||
| 16Thu | 1-2 m/s, E | 0.5 mm | 91% | ||
| 17Fri | 2-3 m/s, S | 0 mm | 81% | ||
| 18Sat | 2-3 m/s, SSE | 1.5 mm | 90% | ||
| 19Sun | 2-3 m/s, NNE | 1 mm | 94% | ||
| 20Mon | 2-3 m/s, NNE | 0 mm | 89% | ||
| 21Tue | 2-3 m/s, NNE | 0.1 mm | 78% | ||
| 22Wed | 2-3 m/s, NNE | 0 mm | 79% | ||
| 23Thu | 1-2 m/s, ESE | 0.1 mm | 80% | ||
| 24Fri | 1-2 m/s, SSW | 0.2 mm | 79% | ||
| 25Sat | 2-4 m/s, S | 0.9 mm | 82% | ||
| 26Sun | 4-5 m/s, S | 6.1 mm | 92% | ||
| 27Mon | 2-3 m/s, SW | 0 mm | 87% | ||
| 28Tue | 1-3 m/s, E | 2.2 mm | 87% | ||
| 29Wed | 2-3 m/s, SSW | 0.1 mm | 89% | ||
| 30Thu | 2-3 m/s, ESE | 6.1 mm | 93% | ||
| 31Fri | 3-4 m/s, NNE | 0.1 mm | 90% |
Weather highs and lows in Lang Son for may
- Warmest day: 14 may, +32°C
- Coldest night: 2 may, +19°C
- Max precipitation: 8 may, 11.4 mm
Climate in Lang Son in may
- Year: 2024
- Average daytime temperature: +28°C
- Average nighttime temperature: +22°C
- Precipitation (month): 51.9 mm
- Days with precipitation: 12
- Humidity: 86%
- Wind: 2 m/s
Daily air temperature for the month
Day
Night
Tap a date to open detailed weather for that day
| May | Day | Night | Wind | Precip | Humidity |
|---|---|---|---|---|---|
| 1Mon | 2-3 m/s, SSW | 0 mm | 80% | ||
| 2Tue | 4-5 m/s, SSW | 0.1 mm | 79% | ||
| 3Wed | 4-6 m/s, S | 0.1 mm | 80% | ||
| 4Thu | 4-6 m/s, S | 0 mm | 85% | ||
| 5Fri | 3-4 m/s, SSW | 0 mm | 78% | ||
| 6Sat | 3-5 m/s, SSW | 0 mm | 72% | ||
| 7Sun | 3-4 m/s, NNE | 0 mm | 80% | ||
| 8Mon | 4 m/s, NNE | 0.4 mm | 94% | ||
| 9Tue | 2-3 m/s, NE | 0.4 mm | 96% | ||
| 10Wed | 1-2 m/s, SE | 3.3 mm | 92% | ||
| 11Thu | 3-6 m/s, NE | 0.1 mm | 92% | ||
| 12Fri | 4-5 m/s, NNE | 0 mm | 91% | ||
| 13Sat | 3-4 m/s, NNE | 1.2 mm | 96% | ||
| 14Sun | 1-2 m/s, NNW | 0 mm | 90% | ||
| 15Mon | 1-3 m/s, SSW | 0 mm | 77% | ||
| 16Tue | 3-5 m/s, SSW | 0.1 mm | 82% | ||
| 17Wed | 2-4 m/s, SW | 0 mm | 70% | ||
| 18Thu | 1-3 m/s, SW | 0 mm | 60% | ||
| 19Fri | 2-3 m/s, SE | 0 mm | 67% | ||
| 20Sat | 3-5 m/s, SSW | 0 mm | 68% | ||
| 21Sun | 3-5 m/s, SSW | 0 mm | 71% | ||
| 22Mon | 3 m/s, SW | 0 mm | 66% | ||
| 23Tue | 3-4 m/s, NNE | 3.2 mm | 90% | ||
| 24Wed | 2-3 m/s, SSE | 3.7 mm | 85% | ||
| 25Thu | 3-4 m/s, SSW | 2.6 mm | 81% | ||
| 26Fri | 3-4 m/s, S | 1.6 mm | 81% | ||
| 27Sat | 3-4 m/s, S | 0.3 mm | 79% | ||
| 28Sun | 2-3 m/s, SSE | 0.1 mm | 77% | ||
| 29Mon | 2-3 m/s, SSW | 0 mm | 73% | ||
| 30Tue | 1-2 m/s, SW | 0 mm | 71% | ||
| 31Wed | 1-2 m/s, SW | 0 mm | 67% |
Weather highs and lows in Lang Son for may
- Warmest day: 22 may, +38°C
- Coldest night: 12 may, +18°C
- Max precipitation: 24 may, 3.7 mm
Climate in Lang Son in may
- Year: 2023
- Average daytime temperature: +30°C
- Average nighttime temperature: +22°C
- Precipitation (month): 17.2 mm
- Days with precipitation: 6
- Humidity: 80%
- Wind: 3 m/s
Daily air temperature for the month
Day
Night
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| May | Day | Night | Wind | Precip | Humidity |
|---|---|---|---|---|---|
| 1Sun | 6-8 m/s, NNE | 0.5 mm | 81% | ||
| 2Mon | 5-6 m/s, NNE | 0 mm | 63% | ||
| 3Tue | 3-4 m/s, NNE | 0 mm | 57% | ||
| 4Wed | 2-3 m/s, NE | 0 mm | 50% | ||
| 5Thu | 1-2 m/s, NE | 0 mm | 54% | ||
| 6Fri | 1-2 m/s, S | 1.7 mm | 64% | ||
| 7Sat | 1-2 m/s, SSW | 3.3 mm | 80% | ||
| 8Sun | 2-3 m/s, S | 0.2 mm | 87% | ||
| 9Mon | 3-4 m/s, SSW | 3 mm | 83% | ||
| 10Tue | 3 m/s, S | 1.4 mm | 93% | ||
| 11Wed | 2-4 m/s, S | 1.6 mm | 87% | ||
| 12Thu | 2-3 m/s, SSW | 10.8 mm | 88% | ||
| 13Fri | 3-4 m/s, NE | 4.7 mm | 94% | ||
| 14Sat | 2-3 m/s, NE | 0 mm | 93% | ||
| 15Sun | 4-6 m/s, NNE | 2.5 mm | 94% | ||
| 16Mon | 4-6 m/s, NNE | 0.5 mm | 82% | ||
| 17Tue | 2 m/s, NE | 0 mm | 77% | ||
| 18Wed | 1-3 m/s, SSW | 0 mm | 78% | ||
| 19Thu | 1-2 m/s, SSE | 0.2 mm | 84% | ||
| 20Fri | 1-2 m/s, SSE | 0.3 mm | 90% | ||
| 21Sat | 2-3 m/s, NNE | 3.3 mm | 96% | ||
| 22Sun | 2 m/s, NNE | 4.7 mm | 99% | ||
| 23Mon | 2 m/s, NNE | 1.7 mm | 96% | ||
| 24Tue | 2 m/s, NNE | 2.9 mm | 89% | ||
| 25Wed | 1-2 m/s, NNE | 0.4 mm | 89% | ||
| 26Thu | 1-2 m/s, S | 0.4 mm | 87% | ||
| 27Fri | 2 m/s, SE | 3.5 mm | 90% | ||
| 28Sat | 2-3 m/s, SSE | 0.9 mm | 88% | ||
| 29Sun | 3-4 m/s, SSE | 1.7 mm | 82% | ||
| 30Mon | 1 m/s, E | 3.7 mm | 84% | ||
| 31Tue | 2-3 m/s, E | 2.5 mm | 88% |
Weather highs and lows in Lang Son for may
- Warmest day: 29 may, +32°C
- Coldest night: 16 may, +15°C
- Max precipitation: 12 may, 10.8 mm
Climate in Lang Son in may
- Year: 2022
- Average daytime temperature: +27°C
- Average nighttime temperature: +20°C
- Precipitation (month): 56.4 mm
- Days with precipitation: 16
- Humidity: 83%
- Wind: 2 m/s
Daily air temperature for the month
Day
Night
Tap a date to open detailed weather for that day
| May | Day | Night | Wind | Precip | Humidity |
|---|---|---|---|---|---|
| 1Sat | 1-2 m/s, SW | 0.1 mm | 80% | ||
| 2Sun | 3-4 m/s, SSW | 3.1 mm | 87% | ||
| 3Mon | 4-5 m/s, S | 0.4 mm | 85% | ||
| 4Tue | 3-4 m/s, S | 0.1 mm | 85% | ||
| 5Wed | 2 m/s, NNE | 2.4 mm | 95% | ||
| 6Thu | 2-3 m/s, E | 0 mm | 90% | ||
| 7Fri | 2-4 m/s, SSW | 0.4 mm | 79% | ||
| 8Sat | 2-3 m/s, SSW | 0 mm | 79% | ||
| 9Sun | 2-4 m/s, SSW | 0 mm | 81% | ||
| 10Mon | 3-5 m/s, S | 0.4 mm | 79% | ||
| 11Tue | 4-5 m/s, S | 0.1 mm | 75% | ||
| 12Wed | 3-5 m/s, SSW | 0.2 mm | 73% | ||
| 13Thu | 4-6 m/s, S | 0.3 mm | 77% | ||
| 14Fri | 4-6 m/s, S | 0.4 mm | 78% | ||
| 15Sat | 4-6 m/s, S | 0.2 mm | 76% | ||
| 16Sun | 3-4 m/s, S | 0.7 mm | 78% | ||
| 17Mon | 3 m/s, SSE | 0.4 mm | 83% | ||
| 18Tue | 3-5 m/s, S | 0.6 mm | 81% | ||
| 19Wed | 4-6 m/s, S | 0.8 mm | 84% | ||
| 20Thu | 2-3 m/s, S | 3.6 mm | 81% | ||
| 21Fri | 3-4 m/s, S | 0.7 mm | 81% | ||
| 22Sat | 4-5 m/s, S | 0.2 mm | 75% | ||
| 23Sun | 3-4 m/s, S | 0.4 mm | 72% | ||
| 24Mon | 4-6 m/s, NE | 1.2 mm | 78% | ||
| 25Tue | 2-3 m/s, NE | 1.6 mm | 80% | ||
| 26Wed | 2-4 m/s, S | 0.9 mm | 77% | ||
| 27Thu | 1-2 m/s, SSW | 0 mm | 76% | ||
| 28Fri | 2-3 m/s, S | 1.7 mm | 75% | ||
| 29Sat | 3-4 m/s, S | 1.5 mm | 76% | ||
| 30Sun | 2 m/s, WSW | 2.3 mm | 85% | ||
| 31Mon | 2 m/s, S | 0.1 mm | 80% |
Weather highs and lows in Lang Son for may
- Warmest day: 12 may, +33°C
- Coldest night: 5 may, +19°C
- Max precipitation: 20 may, 3.6 mm
Climate in Lang Son in may
- Year: 2021
- Average daytime temperature: +30°C
- Average nighttime temperature: +24°C
- Precipitation (month): 24.8 mm
- Days with precipitation: 8
- Humidity: 80%
- Wind: 3 m/s
Daily air temperature for the month
Day
Night
Tap a date to open detailed weather for that day
| May | Day | Night | Wind | Precip | Humidity |
|---|---|---|---|---|---|
| 1Fri | 2-3 m/s, S | 0.4 mm | 86% | ||
| 2Sat | 2-4 m/s, SSW | 0.4 mm | 87% | ||
| 3Sun | 3-4 m/s, SW | 0 mm | 81% | ||
| 4Mon | 3-4 m/s, SSW | 0 mm | 77% | ||
| 5Tue | 3-5 m/s, SSW | 0 mm | 76% | ||
| 6Wed | 4-5 m/s, SSW | 0 mm | 73% | ||
| 7Thu | 3-5 m/s, S | 0 mm | 72% | ||
| 8Fri | 3-5 m/s, S | 0 mm | 75% | ||
| 9Sat | 3-4 m/s, SSW | 0 mm | 74% | ||
| 10Sun | 2-3 m/s, SSW | 0 mm | 73% | ||
| 11Mon | 2-3 m/s, SSW | 0.9 mm | 76% | ||
| 12Tue | 2-4 m/s, N | 0.5 mm | 83% | ||
| 13Wed | 2-4 m/s, SSW | 0.4 mm | 80% | ||
| 14Thu | 4-5 m/s, SSW | 1.1 mm | 84% | ||
| 15Fri | 3-5 m/s, S | 0.1 mm | 80% | ||
| 16Sat | 3-4 m/s, S | 0.5 mm | 78% | ||
| 17Sun | 2-3 m/s, S | 7 mm | 77% | ||
| 18Mon | 1-2 m/s, SSW | 1.3 mm | 86% | ||
| 19Tue | 2-3 m/s, SE | 0.1 mm | 82% | ||
| 20Wed | 3-4 m/s, S | 0.1 mm | 81% | ||
| 21Thu | 2-3 m/s, SSW | 0 mm | 73% | ||
| 22Fri | 3-4 m/s, NNE | 0.5 mm | 81% | ||
| 23Sat | 1-2 m/s, NNE | 0.3 mm | 80% | ||
| 24Sun | 1-2 m/s, S | 0.4 mm | 80% | ||
| 25Mon | 2-3 m/s, SSW | 0.2 mm | 83% | ||
| 26Tue | 3-4 m/s, NE | 1.7 mm | 82% | ||
| 27Wed | 2-4 m/s, NNE | 0.2 mm | 75% | ||
| 28Thu | 1 m/s, SSE | 0 mm | 74% | ||
| 29Fri | 2-3 m/s, SSW | 3.1 mm | 80% | ||
| 30Sat | 3 m/s, SSW | 2.8 mm | 81% | ||
| 31Sun | 3-4 m/s, S | 0.1 mm | 77% |
Weather highs and lows in Lang Son for may
- Warmest day: 5 may, +34°C
- Coldest night: 1 may, +21°C
- Max precipitation: 17 may, 7 mm
Climate in Lang Son in may
- Year: 2020
- Average daytime temperature: +31°C
- Average nighttime temperature: +24°C
- Precipitation (month): 22.1 mm
- Days with precipitation: 6
- Humidity: 79%
- Wind: 2 m/s
Daily air temperature for the month
Day
Night
Tap a date to open detailed weather for that day
| May | Day | Night | Wind | Precip | Humidity |
|---|---|---|---|---|---|
| 1Wed | 2-3 m/s, NE | 0.1 mm | 66% | ||
| 2Thu | 2-3 m/s, SE | 0.1 mm | 63% | ||
| 3Fri | 2-3 m/s, SE | 0.4 mm | 75% | ||
| 4Sat | 1-2 m/s, ENE | 3.7 mm | 87% | ||
| 5Sun | 2-3 m/s, S | 0.5 mm | 87% | ||
| 6Mon | 2-3 m/s, ENE | 0.2 mm | 85% | ||
| 7Tue | 2-3 m/s, NNE | 2.4 mm | 90% | ||
| 8Wed | 2-4 m/s, ENE | 2.8 mm | 90% | ||
| 9Thu | 2-3 m/s, WSW | 0.5 mm | 84% | ||
| 10Fri | 2 m/s, SE | 0.1 mm | 73% | ||
| 11Sat | 2-3 m/s, S | 0.5 mm | 80% | ||
| 12Sun | 2-4 m/s, S | 0 mm | 78% | ||
| 13Mon | 2-3 m/s, SSW | 0 mm | 80% | ||
| 14Tue | 3-4 m/s, S | 0.1 mm | 79% | ||
| 15Wed | 3-4 m/s, S | 0.1 mm | 76% | ||
| 16Thu | 4-5 m/s, S | 0.1 mm | 73% | ||
| 17Fri | 3-4 m/s, SSW | 0 mm | 68% | ||
| 18Sat | 4 m/s, SSW | 0 mm | 64% | ||
| 19Sun | 4 m/s, SSW | 0 mm | 62% | ||
| 20Mon | 4-6 m/s, NE | 3.5 mm | 76% | ||
| 21Tue | 3-4 m/s, WSW | 1.6 mm | 77% | ||
| 22Wed | 2 m/s, S | 0 mm | 67% | ||
| 23Thu | 1-2 m/s, S | 0.2 mm | 69% | ||
| 24Fri | 2-4 m/s, S | 0.2 mm | 73% | ||
| 25Sat | 4-5 m/s, S | 0.5 mm | 77% | ||
| 26Sun | 3-4 m/s, S | 1.2 mm | 74% | ||
| 27Mon | 2 m/s, ESE | 9.6 mm | 82% | ||
| 28Tue | 1-2 m/s, NE | 7.1 mm | 88% | ||
| 29Wed | 3 m/s, NE | 9.4 mm | 89% | ||
| 30Thu | 2 m/s, ESE | 0.7 mm | 83% | ||
| 31Fri | 2-3 m/s, S | 1.6 mm | 87% |
Weather highs and lows in Lang Son for may
- Warmest day: 19 may, +37°C
- Coldest night: 1 may, +19°C
- Max precipitation: 27 may, 9.6 mm
Climate in Lang Son in may
- Year: 2019
- Average daytime temperature: +29°C
- Average nighttime temperature: +23°C
- Precipitation (month): 47.2 mm
- Days with precipitation: 10
- Humidity: 77%
- Wind: 2 m/s
Weather in Lang Son in may by year
| Year | Day | Night | Precipitation | Days with precipitation |
|---|---|---|---|---|
| 2025 | +28°C | +21°C | 54.3 mm | 11 |
| 2024 | +28°C | +22°C | 51.9 mm | 12 |
| 2023 | +30°C | +22°C | 17.2 mm | 6 |
| 2022 | +27°C | +20°C | 56.4 mm | 16 |
| 2021 | +30°C | +24°C | 24.8 mm | 8 |
| 2020 | +31°C | +24°C | 22.1 mm | 6 |
| 2019 | +29°C | +23°C | 47.2 mm | 10 |
Comparison may in Lang Son with other months
| Month | Day | Night | Days with precipitation | Sunny days |
|---|---|---|---|---|
| January | +19°C | +12°C | 3 | 5 |
| February | +20°C | +14°C | 4 | 2 |
| March | +24°C | +17°C | 4 | 3 |
| April | +27°C | +20°C | 4 | 5 |
| May | +29°C | +22°C | 10 | 3 |
| June | +30°C | +24°C | 11 | 1 |
| July | +31°C | +24°C | 12 | 2 |
| August | +30°C | +24°C | 12 | 1 |
| September | +29°C | +22°C | 9 | 3 |
| October | +26°C | +19°C | 5 | 7 |
| November | +24°C | +16°C | 2 | 7 |
| December | +19°C | +12°C | 0 | 6 |