ClimateAverages

Udon Thani Climate

Changwat Udon Thani, Thailand · population 247,231 · 34 weather stations within 200 km · records 1840 to 2025

Average annual daytime high
31.8°C
Warmest month · April
35.2°C
Typical daytime high
Coldest month · January
15.4°C
Typical overnight low

Udon Thani has an average annual daytime high of 31.8°C, based on the 1951 to 1980 baseline. Its warmest month is April, when highs typically reach 35.2°C, and its coldest is January, with overnight lows near 15.4°C.

Month by month averages

MonthAvg highAvg low
January29.2°C15.4°CColdest
February31.4°C17.9°C
March34.0°C21.3°C
April35.2°C23.5°CWarmest
May34.1°C24.6°C
June32.8°C24.8°C
July32.2°C24.5°C
August31.5°C24.4°C
September31.5°C23.9°C
October31.2°C22.2°C
November30.1°C19.2°C
December28.7°C16.1°C

Temperature range across the year

13°19°25°31°37°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+1.9°C vs. 1951–1980
Coldest year on record
1863
-1.5°C vs. 1951–1980

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

Is Udon Thani getting hotter?

Since 1900, Udon Thani's average temperature has risen by +1.5°C. Compared to the earliest station records that begin in 1840, warming totals +1.7°C.

25.7°26.2°26.8°27.3°27.8°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 Udon Thani?

Udon Thani's average annual daytime high is 31.8°C, based on the 1951 to 1980 baseline period. The warmest month is April, with highs averaging 35.2°C, and the coldest is January, with lows averaging 15.4°C.

What is the warmest month in Udon Thani?

April is the warmest month in Udon Thani, with typical daytime highs of 35.2°C.

What is the hottest year on record for Udon Thani?

2023 is the hottest year on record for Udon Thani, running +1.9°C above the 1951 to 1980 baseline.

Is Udon Thani getting hotter?

Yes. Since 1900, Udon Thani has warmed by roughly +1.5°C.

When is the best time to visit Udon Thani?

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

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.