Vietnam / Ha Long / 16 August

Weather in Ha Long on 16 August 2026

Preliminary outlook for 16 August 2026

A preliminary estimate based on the 2019–2025 archive: daytime around +31°C and nighttime around +25°C, average precipitation 3 mm, wind around 2 m/s, humidity around 86%.

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.

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+25°C
Weather archive — latest year: 2025
Light rain shower
Weather archive — latest year: 2025
Nighttime: +24°C Precipitation: 4.7 mm Wind: 2 — 3 m/s Humidity: 90%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 4 h
UV index 6 Cloud cover (avg.) 72%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +29°C Dew point (avg.) +24°C
Heat index (avg.) +29°C Wind chill (avg.) +26°C
Wind gusts (max.) 4 m/s Wind direction (avg.) 59° ↗ (ENE)
Sunrise
05:32
Duration
12 h 50 min
Sunset
18:22
Moonrise
23:17
Moonset
12:10
Moon phase
Last Quarter
Illumination
44%
+28°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +25°C Precipitation: 0.2 mm Wind: 1 — 1 m/s Humidity: 82%
MetricValue MetricValue
Day temperature (max.) +33°C Sun hours 4 h
UV index 6 Cloud cover (avg.) 72%
Pressure (avg.) 753 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +33°C Dew point (avg.) +25°C
Heat index (avg.) +33°C Wind chill (avg.) +28°C
Wind gusts (max.) 3 m/s Wind direction (avg.) 89° ↓ (S)
Sunrise
05:32
Duration
12 h 49 min
Sunset
18:21
Moonrise
15:38
Moonset
01:26
Moon phase
Waxing Gibbous
Illumination
79%
+28°C
Weather archive — for 2023 year
Patchy rain nearby
Weather archive — for 2023 year
Nighttime: +26°C Precipitation: 9.6 mm Wind: 2 — 2 m/s Humidity: 82%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 5 h
UV index 6 Cloud cover (avg.) 59%
Pressure (avg.) 754 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +33°C Dew point (avg.) +25°C
Heat index (avg.) +33°C Wind chill (avg.) +28°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 115° ↓ (S)
Sunrise
05:31
Duration
12 h 51 min
Sunset
18:22
Moonrise
05:11
Moonset
18:34
Moon phase
New Moon
Illumination
0%
+28°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +26°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 85%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 7 h
UV index 6 Cloud cover (avg.) 71%
Pressure (avg.) 754 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +33°C Dew point (avg.) +25°C
Heat index (avg.) +33°C Wind chill (avg.) +28°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 110° ↘ (SE)
Sunrise
05:31
Duration
12 h 51 min
Sunset
18:22
Moonrise
21:32
Moonset
09:27
Moon phase
Waning Gibbous
Illumination
69%
+27°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +25°C Precipitation: 2.3 mm Wind: 3 — 4 m/s Humidity: 87%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 6 h
UV index 6 Cloud cover (avg.) 74%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 8 km Sea temperature
Feels like (avg.) +32°C Dew point (avg.) +25°C
Heat index (avg.) +32°C Wind chill (avg.) +27°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 153° ↓ (S)
Sunrise
05:32
Duration
12 h 50 min
Sunset
18:22
Moonrise
12:44
Moonset
No moonset
Moon phase
First Quarter
Illumination
54%
+27°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +25°C Precipitation: 2 mm Wind: 3 — 3 m/s Humidity: 86%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 12 h
UV index 6 Cloud cover (avg.) 67%
Pressure (avg.) 753 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 8 km Sea temperature
Feels like (avg.) +31°C Dew point (avg.) +24°C
Heat index (avg.) +31°C Wind chill (avg.) +27°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 144° ↘ (SSE)
Sunrise
05:32
Duration
12 h 49 min
Sunset
18:21
Moonrise
02:21
Moonset
16:11
Moon phase
Waning Crescent
Illumination
8%
+28°C
Weather archive — for 2019 year
Moderate or heavy rain shower
Weather archive — for 2019 year
Nighttime: +25°C Precipitation: 2.2 mm Wind: 1 — 2 m/s Humidity: 87%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 7 h
UV index 6 Cloud cover (avg.) 62%
Pressure (avg.) 751 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 9 km Sea temperature
Feels like (avg.) +34°C Dew point (avg.) +26°C
Heat index (avg.) +34°C Wind chill (avg.) +28°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 110° ↘ (SSE)
Sunrise
05:31
Duration
12 h 51 min
Sunset
18:22
Moonrise
19:06
Moonset
05:55
Moon phase
Full Moon
Illumination
100%

Weather in Ha Long on 16 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +29°C +24°C +25°C 4 h 6 90% 2 — 3 m/s
2024 +33°C +25°C +28°C 4 h 6 82% 1 — 1 m/s
2023 +32°C +26°C +28°C 5 h 6 82% 2 — 2 m/s
2022 +31°C +26°C +28°C 7 h 6 85% 2 — 3 m/s
2021 +29°C +25°C +27°C 6 h 6 87% 3 — 4 m/s
2020 +29°C +25°C +27°C 12 h 6 86% 3 — 3 m/s
2019 +32°C +25°C +28°C 7 h 6 87% 1 — 2 m/s