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Sơn Tây Weather by Month
Average temperatures, rainfall and humidity for Sơn Tây, Vietnam, month by month, built from OpenWeather’s historical records. Use it to see what a typical Sơn Tây month looks like before you travel — then check the live Sơn Tây forecast for the days ahead.
Warmest month
June
34°C average high
Coolest month
January
14°C average low
Wettest month
August
209 mm of rain
Driest month
February
30 mm of rain
Average temperature and rainfall in Sơn Tây by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 20°C | 14°C | 3°C / 31°C | 38 mm | 75% | 10 km/h |
| February | 22°C | 16°C | 4°C / 32°C | 30 mm | 78% | 10 km/h |
| March | 25°C | 19°C | 10°C / 34°C | 58 mm | 80% | 11 km/h |
| April | 29°C | 22°C | 12°C / 41°C | 78 mm | 80% | 11 km/h |
| May | 32°C | 25°C | 19°C / 43°C | 107 mm | 79% | 10 km/h |
| June | 34°C | 26°C | 18°C / 41°C | 137 mm | 76% | 9 km/h |
| July | 33°C | 26°C | 21°C / 39°C | 169 mm | 79% | 9 km/h |
| August | 33°C | 26°C | 22°C / 38°C | 209 mm | 83% | 8 km/h |
| September | 32°C | 25°C | 18°C / 38°C | 152 mm | 82% | 8 km/h |
| October | 29°C | 22°C | 15°C / 36°C | 68 mm | 75% | 10 km/h |
| November | 26°C | 19°C | 10°C / 33°C | 40 mm | 74% | 9 km/h |
| December | 21°C | 15°C | 5°C / 30°C | 35 mm | 71% | 10 km/h |
Best time to visit Sơn Tây
The most comfortable time to visit Sơn Tây is generally February to March and November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around August, totalling about 1,120 mm a year.
Travellers who prefer heat should aim for June, when highs average 34°C. August is the month to avoid if rain would spoil your plans — it averages 209 mm, roughly 7× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Sơn Tây forecast for what is happening now.
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