Vietnam / Hoi An / 21 August

Weather in Hoi An on 21 August 2026

Preliminary outlook for 21 August 2026

A preliminary estimate based on the 2019–2025 archive: daytime around +32°C and nighttime around +26°C, average precipitation 0.4 mm, wind around 2 m/s, humidity around 80%.

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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Nearby days
22 August →
+28°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +25°C Precipitation: 0.1 mm Wind: 3 — 5 m/s Humidity: 85%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 6 h
UV index 7 Cloud cover (avg.) 52%
Pressure (avg.) 757 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 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.) 162° → (ESE)
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
03:26
Moonset
16:50
Moon phase
Waning Crescent
Illumination
8%
+29°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +26°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 74%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 12 h
UV index 7 Cloud cover (avg.) 41%
Pressure (avg.) 756 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +34°C Dew point (avg.) +23°C
Heat index (avg.) +34°C Wind chill (avg.) +29°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 228° ↖ (NNW)
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
19:28
Moonset
06:48
Moon phase
Waxing Gibbous
Illumination
85%
+28°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +26°C Precipitation: 1.3 mm Wind: 2 — 4 m/s Humidity: 80%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 9 h
UV index 6 Cloud cover (avg.) 44%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +34°C Dew point (avg.) +24°C
Heat index (avg.) +34°C Wind chill (avg.) +29°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 154° ↗ (NE)
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
09:10
Moonset
21:10
Moon phase
Waxing Crescent
Illumination
30%
+28°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +25°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 78%
MetricValue MetricValue
Day temperature (max.) +33°C Sun hours 13 h
UV index 6 Cloud cover (avg.) 55%
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.) +24°C
Heat index (avg.) +33°C Wind chill (avg.) +28°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 210° ↙ (WSW)
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
00:12
Moonset
13:41
Moon phase
Last Quarter
Illumination
32%
+29°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +26°C Precipitation: 0 mm Wind: 3 — 5 m/s Humidity: 77%
MetricValue MetricValue
Day temperature (max.) +33°C Sun hours 11 h
UV index 7 Cloud cover (avg.) 33%
Pressure (avg.) 756 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +34°C Dew point (avg.) +24°C
Heat index (avg.) +34°C Wind chill (avg.) +29°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 158° ↗ (ENE)
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
17:28
Moonset
04:04
Moon phase
Waxing Gibbous
Illumination
91%
+27°C
Weather archive — for 2020 year
Heavy rain at times
Weather archive — for 2020 year
Nighttime: +25°C Precipitation: 1.6 mm Wind: 2 — 3 m/s Humidity: 81%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 1 h
UV index 6 Cloud cover (avg.) 78%
Pressure (avg.) 757 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 9 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.) 5 m/s Wind direction (avg.) 171° → (ESE)
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
07:29
Moonset
20:06
Moon phase
Waxing Crescent
Illumination
13%
+29°C
Weather archive — for 2019 year
Partly Cloudy
Weather archive — for 2019 year
Nighttime: +26°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 83%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 11 h
UV index 7 Cloud cover (avg.) 31%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +34°C Dew point (avg.) +24°C
Heat index (avg.) +34°C Wind chill (avg.) +29°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 194° ↘ (SSE)
Sunrise
05:33
Duration
12 h 34 min
Sunset
18:07
Moonrise
21:57
Moonset
09:52
Moon phase
Waning Gibbous
Illumination
57%

Weather in Hoi An on 21 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +31°C +25°C +28°C 6 h 7 85% 3 — 5 m/s
2024 +32°C +26°C +29°C 12 h 7 74% 2 — 3 m/s
2023 +32°C +26°C +28°C 9 h 6 80% 2 — 4 m/s
2022 +33°C +25°C +28°C 13 h 6 78% 2 — 3 m/s
2021 +33°C +26°C +29°C 11 h 7 77% 3 — 5 m/s
2020 +30°C +25°C +27°C 1 h 6 81% 2 — 3 m/s
2019 +31°C +26°C +29°C 11 h 7 83% 2 — 3 m/s