Si Racha Weather & Climate: Best Time to Visit

The temperature in Si Racha remains steady throughout the year, providing a consistently very warm climate. Average daytime temperatures reach a very warm 34°C (93°F) in April. In December, the coolest month of the year, temperatures drop to a very warm 32°C (90°F).

At night, temperatures range from around 27°C (81°F) in April to 23°C (73°F) in December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Si Racha has a relatively rainy climate with high precipitation levels, averaging 1295 mm (51 in) of rainfall annually. Si Racha can be quite wet during September, receiving approximately 245 mm (9.6 in) of precipitation over 19 rainy days.

In contrast, during the driest month (December), you will experience much drier conditions, with 14 mm (0.6 in) of precipitation spread across a single rainy day. For more details, please visit our Si Racha Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Si Racha can be enjoyed more throughout the sunniest month of March under a blue sky, with approximately 8.3 hours of sunshine daily. In contrast, the city experiences much darker days in September, with only 3.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Si Racha.

The city experiences its highest humidity in October, reaching 82%. In December, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year