Vietnam / Hanoi / 21 January

Weather in Hanoi on 21 January 2026

Weather observations for 21 January 2026

The stored hourly record for Hanoi on 21 January 2026 shows temperatures from +18°C to +20°C.

Key figures: precipitation 0 mm, wind 1 — 4 m/s, average humidity 71%.

← 20 January
Nearby days
22 January →
+20°C
Hourly weather — 2026
Overcast
Hourly observations for a past date
Hourly weather — 2026
Nighttime: +18°C Precipitation: 0 mm Wind: 1 — 4 m/s Humidity: 71%

Hourly observations

21 January
00:00
+20°C
1 m/s
01:00
+20°C
2 m/s
02:00
+20°C
2 m/s
03:00
+19°C
2 m/s
04:00
+19°C
2 m/s
05:00
+19°C
2 m/s
06:00
+19°C
2 m/s
07:00
+19°C
2 m/s
08:00
+19°C
2 m/s
09:00
+20°C
3 m/s
10:00
+20°C
3 m/s
11:00
+20°C
3 m/s
12:00
+20°C
4 m/s
13:00
+20°C
4 m/s
14:00
+20°C
4 m/s
15:00
+20°C
4 m/s
16:00
+20°C
4 m/s
17:00
+20°C
4 m/s
18:00
+19°C
4 m/s
19:00
+18°C
4 m/s
20:00
+18°C
4 m/s
21:00
+18°C
4 m/s
22:00
+18°C
3 m/s
23:00
+18°C
3 m/s
January 21, 2026 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Temperature +20°C +20°C +20°C +19°C +19°C +19°C +19°C +19°C +19°C +20°C +20°C +20°C +20°C +20°C +20°C +20°C +20°C +20°C +19°C +18°C +18°C +18°C +18°C +18°C
Feels like +20°C +20°C +20°C +19°C +19°C +19°C +19°C +19°C +19°C +20°C +20°C +20°C +20°C +20°C +20°C +20°C +20°C +20°C +19°C +18°C +18°C +18°C +18°C +18°C
Precipitation 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm
Humidity 79% 79% 78% 78% 78% 77% 77% 77% 73% 69% 66% 65% 64% 63% 64% 65% 66% 67% 69% 70% 70% 70% 70% 68%
Wind 1 m/s 2 m/s 2 m/s 2 m/s 2 m/s 2 m/s 2 m/s 2 m/s 2 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 4 m/s 4 m/s 4 m/s 4 m/s 3 m/s 3 m/s
Wind gusts 2 m/s 3 m/s 3 m/s 3 m/s 3 m/s 3 m/s 3 m/s 3 m/s 3 m/s 4 m/s 4 m/s 4 m/s 5 m/s 5 m/s 5 m/s 6 m/s 6 m/s 6 m/s 5 m/s 5 m/s 5 m/s 5 m/s 5 m/s 5 m/s
Wind direction 131° (SE) 137° (SE) 131° (SE) 125° (SE) 119° (ESE) 120° (ESE) 121° (ESE) 123° (ESE) 118° (ESE) 113° (ESE) 109° (ESE) 120° (ESE) 131° (SE) 143° (SE) 143° (SE) 143° (SE) 143° (SE) 148° (SSE) 153° (SSE) 158° (SSE) 161° (SSE) 165° (SSE) 168° (SSE) 162° (SSE)
Pressure 764 mmHg 764 mmHg 764 mmHg 764 mmHg 764 mmHg 764 mmHg 764 mmHg 764 mmHg 765 mmHg 766 mmHg 766 mmHg 765 mmHg 765 mmHg 764 mmHg 764 mmHg 764 mmHg 763 mmHg 764 mmHg 764 mmHg 764 mmHg 764 mmHg 764 mmHg 764 mmHg 764 mmHg
Cloud cover 90% 85% 87% 89% 90% 78% 66% 54% 69% 85% 100% 100% 100% 100% 91% 83% 74% 59% 44% 29% 50% 70% 90% 93%
Visibility 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km 10 km
UV index 1 1 1 1 1 1 1 5 4 5 4 4 5 5 5 5 5 5 1 1 1 1 1 1
Rain 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%
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
10:36
Duration
11 h 04 min
Sunset
21:40
Moonrise
08:10
Moonset
19:54
Moon phase
Waxing Crescent
Illumination
10%
+20°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +15°C Precipitation: 0 mm Wind: 3 — 6 m/s Humidity: 54%
MetricValue MetricValue
Day temperature (max.) +27°C Sun hours 11 h
UV index 6 Cloud cover (avg.) 14%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +21°C Dew point (avg.) +10°C
Heat index (avg.) +21°C Wind chill (avg.) +20°C
Wind gusts (max.) 10 m/s Wind direction (avg.) 141° ↘ (SSE)
Sunrise
06:36
Duration
11 h 04 min
Sunset
17:40
Moonrise
No moonrise
Moonset
11:01
Moon phase
Last Quarter
Illumination
46%
+20°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +19°C Precipitation: 0.7 mm Wind: 3 — 4 m/s Humidity: 78%
MetricValue MetricValue
Day temperature (max.) +22°C Sun hours 1 h
UV index 5 Cloud cover (avg.) 99%
Pressure (avg.) 763 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.) 6 m/s Wind direction (avg.) 101° → (ESE)
Sunrise
06:36
Duration
11 h 04 min
Sunset
17:40
Moonrise
13:41
Moonset
02:38
Moon phase
Waxing Gibbous
Illumination
69%
+16°C
Weather archive — for 2023 year
Overcast
Weather archive — for 2023 year
Nighttime: +13°C Precipitation: 0 mm Wind: 1 — 3 m/s Humidity: 79%
MetricValue MetricValue
Day temperature (max.) +20°C Sun hours 1 h
UV index 5 Cloud cover (avg.) 76%
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.) +12°C
Heat index (avg.) +16°C Wind chill (avg.) +16°C
Wind gusts (max.) 4 m/s Wind direction (avg.) 132° ↘ (SE)
Sunrise
06:36
Duration
11 h 04 min
Sunset
17:40
Moonrise
06:01
Moonset
17:01
Moon phase
New Moon
Illumination
0%
+18°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +16°C Precipitation: 1.5 mm Wind: 2 — 2 m/s Humidity: 80%
MetricValue MetricValue
Day temperature (max.) +20°C Sun hours 1 h
UV index 4 Cloud cover (avg.) 100%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 8 km Sea temperature
Feels like (avg.) +18°C Dew point (avg.) +14°C
Heat index (avg.) +18°C Wind chill (avg.) +18°C
Wind gusts (max.) 3 m/s Wind direction (avg.) 187° ↖ (NNW)
Sunrise
06:36
Duration
11 h 04 min
Sunset
17:40
Moonrise
20:39
Moonset
08:56
Moon phase
Waning Gibbous
Illumination
71%
+19°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +16°C Precipitation: 0.1 mm Wind: 1 — 2 m/s Humidity: 75%
MetricValue MetricValue
Day temperature (max.) +22°C Sun hours 6 h
UV index 4 Cloud cover (avg.) 64%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +19°C Dew point (avg.) +15°C
Heat index (avg.) +19°C Wind chill (avg.) +19°C
Wind gusts (max.) 4 m/s Wind direction (avg.) 109° ↘ (SE)
Sunrise
06:36
Duration
11 h 04 min
Sunset
17:40
Moonrise
11:54
Moonset
No moonset
Moon phase
First Quarter
Illumination
52%
+21°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +17°C Precipitation: 0 mm Wind: 2 — 5 m/s Humidity: 79%
MetricValue MetricValue
Day temperature (max.) +25°C Sun hours 8 h
UV index 5 Cloud cover (avg.) 72%
Pressure (avg.) 764 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +21°C Dew point (avg.) +16°C
Heat index (avg.) +21°C Wind chill (avg.) +20°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 126° ↘ (SSE)
Sunrise
06:36
Duration
11 h 04 min
Sunset
17:40
Moonrise
03:14
Moonset
14:31
Moon phase
Waning Crescent
Illumination
18%
+15°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +14°C Precipitation: 1.8 mm Wind: 4 — 5 m/s Humidity: 70%
MetricValue MetricValue
Day temperature (max.) +17°C Sun hours 1 h
UV index 4 Cloud cover (avg.) 100%
Pressure (avg.) 767 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +14°C Dew point (avg.) +10°C
Heat index (avg.) +15°C Wind chill (avg.) +14°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 30° ↑ (NNE)
Sunrise
06:36
Duration
11 h 04 min
Sunset
17:40
Moonrise
17:51
Moonset
06:26
Moon phase
Full Moon
Illumination
100%

Weather in Hanoi on 21 January in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +27°C +15°C +20°C 11 h 6 54% 3 — 6 m/s
2024 +22°C +19°C +20°C 1 h 5 78% 3 — 4 m/s
2023 +20°C +13°C +16°C 1 h 5 79% 1 — 3 m/s
2022 +20°C +16°C +18°C 1 h 4 80% 2 — 2 m/s
2021 +22°C +16°C +19°C 6 h 4 75% 1 — 2 m/s
2020 +25°C +17°C +21°C 8 h 5 79% 2 — 5 m/s
2019 +17°C +14°C +15°C 1 h 4 70% 4 — 5 m/s