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Sầm Sơn Weather by Month
Average temperatures, rainfall and humidity for Sầm Sơn, Vietnam, month by month, built from OpenWeather’s historical records. Use it to see what a typical Sầm Sơn month looks like before you travel — then check the live Sầm Sơn forecast for the days ahead.
Warmest month
June
35°C average high
Coolest month
January
15°C average low
Wettest month
August
210 mm of rain
Driest month
February
43 mm of rain
Average temperature and rainfall in Sầm Sơn 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 | 21°C | 15°C | 4°C / 33°C | 54 mm | 82% | 10 km/h |
| February | 22°C | 16°C | 5°C / 33°C | 43 mm | 84% | 9 km/h |
| March | 26°C | 19°C | 10°C / 41°C | 84 mm | 84% | 9 km/h |
| April | 30°C | 22°C | 13°C / 43°C | 71 mm | 82% | 10 km/h |
| May | 33°C | 25°C | 18°C / 43°C | 94 mm | 79% | 9 km/h |
| June | 35°C | 26°C | 18°C / 43°C | 86 mm | 75% | 9 km/h |
| July | 33°C | 25°C | 22°C / 41°C | 185 mm | 81% | 8 km/h |
| August | 32°C | 25°C | 22°C / 39°C | 210 mm | 85% | 7 km/h |
| September | 31°C | 24°C | 20°C / 37°C | 189 mm | 86% | 8 km/h |
| October | 28°C | 22°C | 15°C / 34°C | 114 mm | 83% | 10 km/h |
| November | 25°C | 19°C | 12°C / 32°C | 53 mm | 83% | 10 km/h |
| December | 21°C | 15°C | 6°C / 29°C | 50 mm | 80% | 11 km/h |
Best time to visit Sầm Sơn
The most comfortable time to visit Sầm Sơn is generally February and November to December, 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 1,236 mm a year.
Travellers who prefer heat should aim for June, when highs average 35°C. August is the month to avoid if rain would spoil your plans — it averages 210 mm, roughly 5× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Sầm Sơn forecast for what is happening now.
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