Weather in Ha Long on 9 August 2026
Preliminary outlook for 9 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +33°C and nighttime around +26°C, average precipitation 4 mm, wind around 2 m/s, humidity around 82%.
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.
+28°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +26°C
Precipitation: 0.2 mm
Wind: 3 — 4 m/s
Humidity: 85%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 51% |
| Pressure (avg.) | 755 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.) | 124° ↘ (SE) |
Sunrise
05:29
Duration
12 h 57 min
Sunset
18:26
Moonrise
18:37
Moonset
05:07
Moon phase
Full Moon
Illumination
100%
+30°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +27°C
Precipitation: 0.3 mm
Wind: 2 — 3 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 51% |
| 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.) | +26°C |
| Heat index (avg.) | +35°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 147° ↘ (SSE) |
Sunrise
05:29
Duration
12 h 57 min
Sunset
18:26
Moonrise
09:16
Moonset
21:19
Moon phase
Waxing Crescent
Illumination
28%
+29°C
Weather archive — for 2023 year
Patchy rain nearby
Weather archive — for 2023 year
Nighttime: +25°C
Precipitation: 0.1 mm
Wind: 1 — 3 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 57% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 142° ↙ (SW) |
Sunrise
05:29
Duration
12 h 58 min
Sunset
18:27
Moonrise
No moonrise
Moonset
12:50
Moon phase
Last Quarter
Illumination
42%
+28°C
Weather archive — for 2022 year
Moderate rain at times
Weather archive — for 2022 year
Nighttime: +26°C
Precipitation: 2.2 mm
Wind: 1 — 2 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 7 h |
| UV index | 6 | Cloud cover (avg.) | 73% |
| Pressure (avg.) | 753 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 57° ↗ (NE) |
Sunrise
05:29
Duration
12 h 58 min
Sunset
18:27
Moonrise
16:08
Moonset
01:59
Moon phase
Waxing Gibbous
Illumination
81%
+29°C
Weather archive — for 2021 year
Moderate or heavy rain shower
Weather archive — for 2021 year
Nighttime: +27°C
Precipitation: 24.1 mm
Wind: 2 — 3 m/s
Humidity: 86%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 7 h |
| UV index | 6 | Cloud cover (avg.) | 67% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +35°C | Dew point (avg.) | +26°C |
| Heat index (avg.) | +35°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 101° ↘ (SE) |
Sunrise
05:29
Duration
12 h 57 min
Sunset
18:26
Moonrise
05:52
Moonset
19:16
Moon phase
Waxing Crescent
Illumination
3%
+28°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +26°C
Precipitation: 0.3 mm
Wind: 2 — 4 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 51% |
| Pressure (avg.) | 752 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.) | 138° ↘ (SSE) |
Sunrise
05:29
Duration
12 h 57 min
Sunset
18:26
Moonrise
22:09
Moonset
10:01
Moon phase
Waning Gibbous
Illumination
59%
+30°C
Weather archive — for 2019 year
Partly Cloudy
Weather archive — for 2019 year
Nighttime: +26°C
Precipitation: 1.1 mm
Wind: 1 — 1 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 9 h |
| UV index | 6 | Cloud cover (avg.) | 49% |
| Pressure (avg.) | 749 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +36°C | Dew point (avg.) | +26°C |
| Heat index (avg.) | +36°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 107° ↙ (WSW) |
Sunrise
05:29
Duration
12 h 58 min
Sunset
18:27
Moonrise
13:29
Moonset
00:06
Moon phase
First Quarter
Illumination
56%
Weather in Ha Long on 9 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+32°C
|
+26°C
|
+28°C | 10 h | 7 | 85% | 3 — 4 m/s |
| 2024 |
+34°C
|
+27°C
|
+30°C | 10 h | 7 | 82% | 2 — 3 m/s |
| 2023 |
+34°C
|
+25°C
|
+29°C | 10 h | 6 | 79% | 1 — 3 m/s |
| 2022 |
+33°C
|
+26°C
|
+28°C | 7 h | 6 | 79% | 1 — 2 m/s |
| 2021 |
+31°C
|
+27°C
|
+29°C | 7 h | 6 | 86% | 2 — 3 m/s |
| 2020 |
+31°C
|
+26°C
|
+28°C | 12 h | 7 | 84% | 2 — 4 m/s |
| 2019 |
+35°C
|
+26°C
|
+30°C | 9 h | 6 | 79% | 1 — 1 m/s |