Weather in Lang Son on 12 December 2026
Preliminary outlook for 12 December 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +21°C and nighttime around +14°C, average precipitation 0.1 mm, wind around 2 m/s, humidity around 72%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+18°C
Weather archive — latest year: 2025
Overcast
Weather archive — latest year: 2025
Nighttime: +17°C
Precipitation: 0 mm
Wind: 1 — 1 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 1 h |
| UV index | 4 | Cloud cover (avg.) | 99% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 2 m/s | Wind direction (avg.) | 163° ↓ (SSW) |
Sunrise
06:22
Duration
10 h 50 min
Sunset
17:12
Moonrise
No moonrise
Moonset
12:08
Moon phase
Last Quarter
Illumination
45%
+12°C
Weather archive — for 2024 year
Cloudy
Weather archive — for 2024 year
Nighttime: +11°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +14°C | Sun hours | 1 h |
| UV index | 3 | Cloud cover (avg.) | 92% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +12°C | Dew point (avg.) | +9°C |
| Heat index (avg.) | +12°C | Wind chill (avg.) | +12°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 25° ↑ (NNE) |
Sunrise
06:22
Duration
10 h 50 min
Sunset
17:12
Moonrise
14:22
Moonset
02:49
Moon phase
Waxing Gibbous
Illumination
78%
+22°C
Weather archive — for 2023 year
Moderate rain at times
Weather archive — for 2023 year
Nighttime: +19°C
Precipitation: 0.5 mm
Wind: 1 — 2 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 5 h |
| UV index | 5 | Cloud cover (avg.) | 79% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 145° ↓ (S) |
Sunrise
06:21
Duration
10 h 50 min
Sunset
17:11
Moonrise
05:30
Moonset
16:26
Moon phase
New Moon
Illumination
0%
+14°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +12°C
Precipitation: 0 mm
Wind: 3 — 6 m/s
Humidity: 63%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +18°C | Sun hours | 11 h |
| UV index | 4 | Cloud cover (avg.) | 40% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +14°C | Dew point (avg.) | +8°C |
| Heat index (avg.) | +15°C | Wind chill (avg.) | +14°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 36° ↗ (NE) |
Sunrise
06:22
Duration
10 h 49 min
Sunset
17:11
Moonrise
20:39
Moonset
09:39
Moon phase
Waning Gibbous
Illumination
69%
+18°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +14°C
Precipitation: 0.1 mm
Wind: 3 — 5 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 53% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 156° ↑ (NNE) |
Sunrise
06:22
Duration
10 h 50 min
Sunset
17:12
Moonrise
12:56
Moonset
00:20
Moon phase
First Quarter
Illumination
53%
+18°C
Weather archive — for 2020 year
Overcast
Weather archive — for 2020 year
Nighttime: +16°C
Precipitation: 0 mm
Wind: 1 — 2 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 2 h |
| UV index | 4 | Cloud cover (avg.) | 84% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 111° ↓ (SSW) |
Sunrise
06:22
Duration
10 h 50 min
Sunset
17:12
Moonrise
03:29
Moonset
15:10
Moon phase
Waning Crescent
Illumination
9%
+17°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +11°C
Precipitation: 0 mm
Wind: 1 — 1 m/s
Humidity: 49%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 5% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +16°C | Dew point (avg.) | +6°C |
| Heat index (avg.) | +16°C | Wind chill (avg.) | +15°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 140° → (ESE) |
Sunrise
06:21
Duration
10 h 50 min
Sunset
17:11
Moonrise
17:22
Moonset
06:08
Moon phase
Full Moon
Illumination
100%
Weather in Lang Son on 12 December in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+19°C
|
+17°C
|
+18°C | 1 h | 4 | 83% | 1 — 1 m/s |
| 2024 |
+14°C
|
+11°C
|
+12°C | 1 h | 3 | 83% | 3 — 3 m/s |
| 2023 |
+25°C
|
+19°C
|
+22°C | 5 h | 5 | 82% | 1 — 2 m/s |
| 2022 |
+18°C
|
+12°C
|
+14°C | 11 h | 4 | 63% | 3 — 6 m/s |
| 2021 |
+22°C
|
+14°C
|
+18°C | 11 h | 5 | 70% | 3 — 5 m/s |
| 2020 |
+22°C
|
+16°C
|
+18°C | 2 h | 4 | 77% | 1 — 2 m/s |
| 2019 |
+25°C
|
+11°C
|
+17°C | 11 h | 5 | 49% | 1 — 1 m/s |