Si Racha Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Si Racha.
Climate overview of Si Racha
Si Racha, Chon Buri Province, Thailand, enjoys a steady climate throughout the year, with daytime temperatures typically around 33°C (91°F). April is the warmest month at 34°C (93°F), while December is the coolest at 32°C (90°F).
With around 1295 mm (51 in) of annual rainfall, Si Racha has a notably wet climate. However, this rainfall is not evenly distributed — the city has a distinct dry season from December to February. The wettest month is September. The sunniest month is March, with 8.3 hours of sunshine per day on average.
Si Racha Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Si Racha — and find the best time to visit.
Monthly Temperature in Si Racha
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
Rainfall in Si Racha
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 days. For more details, please visit our Si Racha Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Si Racha
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
Humidity in Si Racha by Month
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
Best Time to Visit Si Racha
For a more comfortable experience, start your day early when the weather is cooler, or take advantage of the gentle breezes in the late afternoon.
The rainy season occurs during September and October, when the area experiences its heaviest rainfall. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
Frequently asked questions about the climate in Si Racha
What is the best time to visit Si Racha?
January and December typically offer the most optimal weather in Si Racha. In contrast, April, May, June, July, September and October tend to have less optimal conditions. Si Racha has a distinct dry season from December to February.
What temperatures can I expect in Si Racha?
Daytime highs range from 32°C (90°F) in December to 34°C (93°F) in April. Nighttime lows range from 23°C (73°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Si Racha get?
Annual rainfall is around 1295 mm (51 in). September is the wettest month with 245 mm (9.6 in), while December is the driest with 14 mm (0.6 in).
How sunny is Si Racha?
Si Racha receives around 2,074 hours of sunshine per year. March is the sunniest month with 249 hours, while September is the cloudiest with just 110 hours. Overall, Si Racha enjoys abundant sunshine.
Si Racha 3-Day Forecast
Si Racha 3-Day Forecast
Si Racha on the map
Si Racha is highlighted — select any city to see its climate.
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