ClimateAverages

Si Racha Climate

Chon Buri, Thailand · population 178,916 · 48 weather stations within 200 km · records 1840 to 2025

Average annual daytime high
31.4°C
Warmest month · April
32.8°C
Typical daytime high
Coldest month · December
21.9°C
Typical overnight low

Si Racha has an average annual daytime high of 31.4°C, based on the 1951 to 1980 baseline. Its warmest month is April, when highs typically reach 32.8°C, and its coldest is December, with overnight lows near 21.9°C.

Month by month averages

MonthAvg highAvg low
January30.4°C22.0°C
February31.0°C23.7°C
March31.9°C25.0°C
April32.8°C25.8°CWarmest
May32.4°C25.9°C
June31.8°C25.8°C
July31.3°C25.4°C
August31.1°C25.4°C
September31.0°C24.9°C
October31.0°C24.2°C
November31.0°C23.3°C
December30.5°C21.9°CColdest

Temperature range across the year

20°24°27°31°35°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+1.7°C vs. 1951–1980
Coldest year on record
1863
-1.2°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Si Racha getting hotter?

Since 1900, Si Racha's average temperature has risen by +1.6°C. Compared to the earliest station records that begin in 1840, warming totals +1.7°C.

27.1°27.7°28.2°28.7°29.3°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
any time of year

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Si Racha?

Si Racha's average annual daytime high is 31.4°C, based on the 1951 to 1980 baseline period. The warmest month is April, with highs averaging 32.8°C, and the coldest is December, with lows averaging 21.9°C.

What is the warmest month in Si Racha?

April is the warmest month in Si Racha, with typical daytime highs of 32.8°C.

What is the hottest year on record for Si Racha?

2023 is the hottest year on record for Si Racha, running +1.7°C above the 1951 to 1980 baseline.

Is Si Racha getting hotter?

Yes. Since 1900, Si Racha has warmed by roughly +1.6°C.

When is the best time to visit Si Racha?

any time of year typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.