Weather in Hanoi on 21 May 2026
Weather observations for 21 May 2026
The stored hourly record for Hanoi on 21 May 2026 shows temperatures from +25°C to +33°C.
Key figures: precipitation 8.5 mm, wind 2 — 6 m/s, average humidity 83%.
+33°C
Hourly weather — 2026
Patchy rain nearby
Hourly observations for a past date
Hourly weather — 2026
Nighttime: +25°C
Precipitation: 8.5 mm
Wind: 2 — 6 m/s
Humidity: 83%
Precipitation: 8.5 mm
Wind: 2 — 6 m/s
Humidity: 83%
Hourly observations
21 May
00:00
+26°C
3 m/s
0.1 mm
01:00
+26°C
2 m/s
0.2 mm
02:00
+25°C
2 m/s
03:00
+25°C
2 m/s
04:00
+25°C
2 m/s
0.1 mm
05:00
+25°C
3 m/s
06:00
+25°C
3 m/s
07:00
+27°C
3 m/s
0.1 mm
08:00
+28°C
3 m/s
0.1 mm
09:00
+29°C
3 m/s
0.1 mm
10:00
+30°C
3 m/s
0.4 mm
11:00
+32°C
3 m/s
0.6 mm
12:00
+33°C
2 m/s
0.1 mm
13:00
+33°C
3 m/s
0.1 mm
14:00
+31°C
5 m/s
0.3 mm
15:00
+30°C
5 m/s
0.4 mm
16:00
+30°C
6 m/s
0.5 mm
17:00
+29°C
5 m/s
1 mm
18:00
+28°C
4 m/s
0.9 mm
19:00
+27°C
3 m/s
1.7 mm
20:00
+27°C
3 m/s
1.1 mm
21:00
+27°C
3 m/s
0.1 mm
22:00
+26°C
3 m/s
0.3 mm
23:00
+26°C
2 m/s
0.3 mm
| May 21, 2026 |
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01:00
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02:00
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03:00
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04:00
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05:00
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06:00
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07:00
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08:00
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09:00
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10:00
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11:00
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12:00
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13:00
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14:00
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15:00
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16:00
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17:00
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18:00
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19:00
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20:00
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21:00
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22:00
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23:00
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | +26°C | +26°C | +25°C | +25°C | +25°C | +25°C | +25°C | +27°C | +28°C | +29°C | +30°C | +32°C | +33°C | +33°C | +31°C | +30°C | +30°C | +29°C | +28°C | +27°C | +27°C | +27°C | +26°C | +26°C |
| Feels like | +30°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +31°C | +33°C | +34°C | +36°C | +38°C | +39°C | +40°C | +37°C | +36°C | +36°C | +34°C | +32°C | +31°C | +31°C | +31°C | +30°C | +30°C |
| Precipitation | 0.1 mm | 0.2 mm | 0 mm | 0 mm | 0.1 mm | 0 mm | 0 mm | 0.1 mm | 0.1 mm | 0.1 mm | 0.4 mm | 0.6 mm | 0.1 mm | 0.1 mm | 0.3 mm | 0.4 mm | 0.5 mm | 1 mm | 0.9 mm | 1.7 mm | 1.1 mm | 0.1 mm | 0.3 mm | 0.3 mm |
| Humidity | 94% | 95% | 95% | 96% | 97% | 96% | 95% | 89% | 84% | 79% | 71% | 66% | 61% | 59% | 68% | 71% | 70% | 76% | 83% | 88% | 91% | 90% | 91% | 93% |
| Wind | 3 m/s | 2 m/s | 2 m/s | 2 m/s | 2 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 2 m/s | 3 m/s | 5 m/s | 5 m/s | 6 m/s | 5 m/s | 4 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 2 m/s |
| Wind gusts | 4 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 4 m/s | 4 m/s | 4 m/s | 4 m/s | 4 m/s | 4 m/s | 3 m/s | 3 m/s | 4 m/s | 7 m/s | 7 m/s | 7 m/s | 7 m/s | 6 m/s | 5 m/s | 5 m/s | 5 m/s | 5 m/s | 4 m/s |
| Wind direction | 129° (SE) | 121° (ESE) | 112° (ESE) | 99° (E) | 83° (E) | 75° (ENE) | 79° (E) | 92° (E) | 103° (ESE) | 110° (ESE) | 119° (ESE) | 140° (SE) | 155° (SSE) | 159° (SSE) | 150° (SSE) | 151° (SSE) | 147° (SSE) | 147° (SSE) | 141° (SE) | 127° (SE) | 139° (SE) | 154° (SSE) | 146° (SE) | 131° (SE) |
| Pressure | 754 mmHg | 753 mmHg | 752 mmHg | 752 mmHg | 752 mmHg | 753 mmHg | 754 mmHg | 755 mmHg | 755 mmHg | 755 mmHg | 755 mmHg | 754 mmHg | 753 mmHg | 752 mmHg | 752 mmHg | 752 mmHg | 752 mmHg | 752 mmHg | 753 mmHg | 753 mmHg | 754 mmHg | 755 mmHg | 755 mmHg | 755 mmHg |
| Cloud cover | 91% | 89% | 96% | 98% | 100% | 100% | 100% | 100% | 100% | 92% | 84% | 86% | 63% | 100% | 82% | 52% | 78% | 73% | 89% | 76% | 72% | 82% | 90% | 72% |
| Visibility | 10 km | 2 km | 2 km | 2 km | 2 km | 2 km | 2 km | 10 km | 10 km | 10 km | 10 km | 2 km | 10 km | 10 km | 2 km | 10 km | 9 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 5 km |
| UV index | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 5 | 5 | 8 | 4 | 3 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Rain chance | 100% | 100% | 70% | 65% | 100% | 71% | 70% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Snow chance | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
Sunrise
09:17
Duration
13 h 12 min
Sunset
22:29
Moonrise
09:25
Moonset
23:12
Moon phase
Waxing Crescent
Illumination
25%
+31°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +26°C
Precipitation: 0.1 mm
Wind: 3 — 5 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +37°C | Sun hours | 5 h |
| UV index | 7 | Cloud cover (avg.) | 78% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +35°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +35°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 165° ↙ (WSW) |
Sunrise
05:17
Duration
13 h 13 min
Sunset
18:30
Moonrise
00:44
Moonset
12:32
Moon phase
Last Quarter
Illumination
32%
+28°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +23°C
Precipitation: 0.3 mm
Wind: 2 — 3 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 9 h |
| UV index | 7 | Cloud cover (avg.) | 50% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 280° ↖ (NNW) |
Sunrise
05:17
Duration
13 h 13 min
Sunset
18:30
Moonrise
16:33
Moonset
03:27
Moon phase
Waxing Gibbous
Illumination
90%
+32°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +27°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +39°C | Sun hours | 10 h |
| UV index | 8 | Cloud cover (avg.) | 30% |
| Pressure (avg.) | 753 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +39°C | Dew point (avg.) | +26°C |
| Heat index (avg.) | +39°C | Wind chill (avg.) | +32°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 152° ↓ (SSW) |
Sunrise
05:17
Duration
13 h 12 min
Sunset
18:29
Moonrise
06:14
Moonset
20:12
Moon phase
Waxing Crescent
Illumination
6%
+24°C
Weather archive — for 2022 year
Moderate or heavy rain shower
Weather archive — for 2022 year
Nighttime: +22°C
Precipitation: 8.5 mm
Wind: 3 — 5 m/s
Humidity: 94%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 1 h |
| UV index | 5 | Cloud cover (avg.) | 96% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 62° ↗ (NE) |
Sunrise
05:17
Duration
13 h 12 min
Sunset
18:29
Moonrise
23:57
Moonset
10:13
Moon phase
Waning Gibbous
Illumination
57%
+32°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +28°C
Precipitation: 2 mm
Wind: 4 — 5 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +36°C | Sun hours | 7 h |
| UV index | 7 | Cloud cover (avg.) | 80% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +40°C | Dew point (avg.) | +26°C |
| Heat index (avg.) | +40°C | Wind chill (avg.) | +31°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 136° ↘ (SSE) |
Sunrise
05:17
Duration
13 h 13 min
Sunset
18:30
Moonrise
13:13
Moonset
01:22
Moon phase
First Quarter
Illumination
66%
+34°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +29°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 59%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +39°C | Sun hours | 13 h |
| UV index | 8 | Cloud cover (avg.) | 15% |
| Pressure (avg.) | 750 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +40°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +40°C | Wind chill (avg.) | +33°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 173° ← (WNW) |
Sunrise
05:17
Duration
13 h 13 min
Sunset
18:30
Moonrise
04:18
Moonset
17:18
Moon phase
New Moon
Illumination
0%
+26°C
Weather archive — for 2019 year
Overcast
Weather archive — for 2019 year
Nighttime: +24°C
Precipitation: 4.3 mm
Wind: 2 — 4 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 1 h |
| UV index | 6 | Cloud cover (avg.) | 91% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 176° ↓ (S) |
Sunrise
05:17
Duration
13 h 12 min
Sunset
18:29
Moonrise
20:51
Moonset
07:10
Moon phase
Waxing Gibbous
Illumination
81%
Weather in Hanoi on 21 May in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+37°C
|
+26°C
|
+31°C | 5 h | 7 | 76% | 3 — 5 m/s |
| 2024 |
+34°C
|
+23°C
|
+28°C | 9 h | 7 | 70% | 2 — 3 m/s |
| 2023 |
+39°C
|
+27°C
|
+32°C | 10 h | 8 | 70% | 4 — 5 m/s |
| 2022 |
+25°C
|
+22°C
|
+24°C | 1 h | 5 | 94% | 3 — 5 m/s |
| 2021 |
+36°C
|
+28°C
|
+32°C | 7 h | 7 | 77% | 4 — 5 m/s |
| 2020 |
+39°C
|
+29°C
|
+34°C | 13 h | 8 | 59% | 2 — 3 m/s |
| 2019 |
+29°C
|
+24°C
|
+26°C | 1 h | 6 | 84% | 2 — 4 m/s |