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Weather by month

Si Racha Weather by Month

Average temperatures, rainfall and humidity for Si Racha, Thailand, month by month, built from OpenWeather’s historical records. Use it to see what a typical Si Racha month looks like before you travel — then check the live Si Racha forecast for the days ahead.

Warmest month

April

34°C average high

Coolest month

January

24°C average low

Wettest month

October

140 mm of rain

Driest month

January

22 mm of rain

Average temperature and rainfall in Si Racha 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	31°C	24°C	16°C / 37°C	22 mm	68%	12 km/h
February	32°C	25°C	16°C / 38°C	24 mm	69%	13 km/h
March	33°C	27°C	22°C / 38°C	63 mm	72%	15 km/h
April	34°C	28°C	20°C / 40°C	44 mm	71%	15 km/h
May	34°C	28°C	23°C / 40°C	75 mm	73%	13 km/h
June	32°C	27°C	23°C / 38°C	91 mm	73%	16 km/h
July	32°C	27°C	22°C / 37°C	119 mm	74%	16 km/h
August	32°C	27°C	22°C / 37°C	100 mm	73%	15 km/h
September	31°C	26°C	23°C / 36°C	136 mm	75%	12 km/h
October	31°C	25°C	21°C / 36°C	140 mm	77%	10 km/h
November	31°C	25°C	16°C / 36°C	55 mm	73%	12 km/h
December	31°C	24°C	16°C / 37°C	23 mm	68%	13 km/h

Best time to visit Si Racha

The most comfortable time to visit Si Racha is generally December to February, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around October, totalling about 893 mm a year.

Travellers who prefer heat should aim for April, when highs average 34°C. October is the month to avoid if rain would spoil your plans — it averages 140 mm, roughly 6× the rainfall of the driest month (January).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Si Racha forecast for what is happening now.