Vietnam / Sa Pa / 20 August

Weather in Sa Pa on 20 August 2026

Preliminary outlook for 20 August 2026

A preliminary estimate based on the 2019–2025 archive: daytime around +30°C and nighttime around +22°C, average precipitation 2 mm, wind around 1 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.

← 19 August
Nearby days
21 August →
+23°C
Weather archive — latest year: 2025
Mist
Weather archive — latest year: 2025
Nighttime: +20°C Precipitation: 1.1 mm Wind: 1 — 1 m/s Humidity: 93%
MetricValue MetricValue
Day temperature (max.) +26°C Sun hours 2 h
UV index 5 Cloud cover (avg.) 88%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 6 km Sea temperature
Feels like (avg.) +25°C Dew point (avg.) +22°C
Heat index (avg.) +26°C Wind chill (avg.) +23°C
Wind gusts (max.) 2 m/s Wind direction (avg.) 157° ↘ (SE)
Sunrise
05:43
Duration
12 h 49 min
Sunset
18:32
Moonrise
02:25
Moonset
16:33
Moon phase
Waning Crescent
Illumination
15%
+26°C
Weather archive — for 2024 year
Cloudy
Weather archive — for 2024 year
Nighttime: +20°C Precipitation: 2.5 mm Wind: 1 — 1 m/s Humidity: 81%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 5 h
UV index 6 Cloud cover (avg.) 84%
Pressure (avg.) 754 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 8 km Sea temperature
Feels like (avg.) +31°C Dew point (avg.) +23°C
Heat index (avg.) +31°C Wind chill (avg.) +27°C
Wind gusts (max.) 3 m/s Wind direction (avg.) 197° → (E)
Sunrise
05:43
Duration
12 h 48 min
Sunset
18:31
Moonrise
19:09
Moonset
05:57
Moon phase
Full Moon
Illumination
100%
+26°C
Weather archive — for 2023 year
Moderate rain at times
Weather archive — for 2023 year
Nighttime: +24°C Precipitation: 2.8 mm Wind: 1 — 1 m/s Humidity: 93%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 11 h
UV index 6 Cloud cover (avg.) 55%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 6 km Sea temperature
Feels like (avg.) +31°C Dew point (avg.) +25°C
Heat index (avg.) +31°C Wind chill (avg.) +26°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 210° ↓ (S)
Sunrise
05:43
Duration
12 h 49 min
Sunset
18:32
Moonrise
08:42
Moonset
20:52
Moon phase
Waxing Crescent
Illumination
23%
+27°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +23°C Precipitation: 4.5 mm Wind: 1 — 1 m/s Humidity: 81%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 5 h
UV index 6 Cloud cover (avg.) 80%
Pressure (avg.) 752 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.) 4 m/s Wind direction (avg.) 160° ↗ (NE)
Sunrise
05:43
Duration
12 h 49 min
Sunset
18:32
Moonrise
No moonrise
Moonset
13:20
Moon phase
Last Quarter
Illumination
39%
+26°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +23°C Precipitation: 1.6 mm Wind: 1 — 1 m/s Humidity: 86%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 4 h
UV index 6 Cloud cover (avg.) 77%
Pressure (avg.) 756 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 8 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.) 4 m/s Wind direction (avg.) 190° → (ESE)
Sunrise
05:43
Duration
12 h 49 min
Sunset
18:32
Moonrise
17:07
Moonset
03:05
Moon phase
Waxing Gibbous
Illumination
83%
+25°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +21°C Precipitation: 0 mm Wind: 1 — 1 m/s Humidity: 82%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 9 h
UV index 7 Cloud cover (avg.) 67%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +22°C
Heat index (avg.) +28°C Wind chill (avg.) +26°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 229° ↙ (WSW)
Sunrise
05:43
Duration
12 h 49 min
Sunset
18:32
Moonrise
06:39
Moonset
19:44
Moon phase
Waxing Crescent
Illumination
6%
+27°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +24°C Precipitation: 1.4 mm Wind: 1 — 2 m/s Humidity: 85%
MetricValue MetricValue
Day temperature (max.) +32°C Sun hours 7 h
UV index 6 Cloud cover (avg.) 67%
Pressure (avg.) 754 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 7 km Sea temperature
Feels like (avg.) +31°C Dew point (avg.) +24°C
Heat index (avg.) +31°C Wind chill (avg.) +28°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 184° → (E)
Sunrise
05:43
Duration
12 h 49 min
Sunset
18:32
Moonrise
21:36
Moonset
09:24
Moon phase
Waning Gibbous
Illumination
64%

Weather in Sa Pa on 20 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +26°C +20°C +23°C 2 h 5 93% 1 — 1 m/s
2024 +31°C +20°C +26°C 5 h 6 81% 1 — 1 m/s
2023 +30°C +24°C +26°C 11 h 6 93% 1 — 1 m/s
2022 +32°C +23°C +27°C 5 h 6 81% 1 — 1 m/s
2021 +30°C +23°C +26°C 4 h 6 86% 1 — 1 m/s
2020 +29°C +21°C +25°C 9 h 7 82% 1 — 1 m/s
2019 +32°C +24°C +27°C 7 h 6 85% 1 — 2 m/s