Weather in Ha Long on 19 August 2026
Preliminary outlook for 19 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +31°C and nighttime around +26°C, average precipitation 2.8 mm, wind around 1 m/s, humidity around 85%.
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.
+25°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +24°C
Precipitation: 3.4 mm
Wind: 2 — 3 m/s
Humidity: 92%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 5 h |
| UV index | 6 | Cloud cover (avg.) | 81% |
| Pressure (avg.) | 754 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 248° ← (W) |
Sunrise
05:32
Duration
12 h 47 min
Sunset
18:19
Moonrise
01:12
Moonset
15:23
Moon phase
Waning Crescent
Illumination
22%
+29°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +26°C
Precipitation: 0.2 mm
Wind: 1 — 3 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 50% |
| Pressure (avg.) | 753 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +34°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +34°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 148° ↓ (SSW) |
Sunrise
05:33
Duration
12 h 46 min
Sunset
18:19
Moonrise
18:13
Moonset
04:40
Moon phase
Full Moon
Illumination
100%
+29°C
Weather archive — for 2023 year
Patchy rain nearby
Weather archive — for 2023 year
Nighttime: +27°C
Precipitation: 3.5 mm
Wind: 1 — 2 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 7 h |
| UV index | 6 | Cloud cover (avg.) | 72% |
| Pressure (avg.) | 754 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +34°C | Dew point (avg.) | +26°C |
| Heat index (avg.) | +34°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 110° ↘ (SSE) |
Sunrise
05:32
Duration
12 h 48 min
Sunset
18:20
Moonrise
07:41
Moonset
20:10
Moon phase
Waxing Crescent
Illumination
16%
+29°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +26°C
Precipitation: 3 mm
Wind: 1 — 2 m/s
Humidity: 81%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 8 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.) | +29°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 99° ↘ (SE) |
Sunrise
05:32
Duration
12 h 48 min
Sunset
18:20
Moonrise
23:24
Moonset
12:10
Moon phase
Last Quarter
Illumination
47%
+28°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +26°C
Precipitation: 3.1 mm
Wind: 3 — 4 m/s
Humidity: 86%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 6 h |
| UV index | 6 | Cloud cover (avg.) | 76% |
| Pressure (avg.) | 755 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.) | 7 m/s | Wind direction (avg.) | 133° ↘ (SSE) |
Sunrise
05:32
Duration
12 h 47 min
Sunset
18:19
Moonrise
15:55
Moonset
01:53
Moon phase
Waxing Gibbous
Illumination
76%
+26°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +23°C
Precipitation: 4.5 mm
Wind: 1 — 1 m/s
Humidity: 85%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 8 h |
| UV index | 6 | Cloud cover (avg.) | 78% |
| Pressure (avg.) | 754 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 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.) | 5 m/s | Wind direction (avg.) | 186° ↓ (SSW) |
Sunrise
05:33
Duration
12 h 46 min
Sunset
18:19
Moonrise
05:25
Moonset
18:45
Moon phase
New Moon
Illumination
0%
+29°C
Weather archive — for 2019 year
Moderate or heavy rain shower
Weather archive — for 2019 year
Nighttime: +27°C
Precipitation: 1.6 mm
Wind: 1 — 2 m/s
Humidity: 81%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 7 h |
| UV index | 7 | Cloud cover (avg.) | 54% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 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° ↓ (SSW) |
Sunrise
05:32
Duration
12 h 48 min
Sunset
18:20
Moonrise
20:50
Moonset
08:23
Moon phase
Waning Gibbous
Illumination
71%
Weather in Ha Long on 19 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+28°C
|
+24°C
|
+25°C | 5 h | 6 | 92% | 2 — 3 m/s |
| 2024 |
+32°C
|
+26°C
|
+29°C | 12 h | 7 | 83% | 1 — 3 m/s |
| 2023 |
+32°C
|
+27°C
|
+29°C | 7 h | 6 | 84% | 1 — 2 m/s |
| 2022 |
+33°C
|
+26°C
|
+29°C | 8 h | 7 | 81% | 1 — 2 m/s |
| 2021 |
+31°C
|
+26°C
|
+28°C | 6 h | 6 | 86% | 3 — 4 m/s |
| 2020 |
+30°C
|
+23°C
|
+26°C | 8 h | 6 | 85% | 1 — 1 m/s |
| 2019 |
+34°C
|
+27°C
|
+29°C | 7 h | 7 | 81% | 1 — 2 m/s |