Khon Buri climate — normals and trends
Khon Buri (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.7 °C and it receives 1,099 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is April (27.8 °C on average) and the coldest is December (22.3 °C). Rainfall peaks in September.
Khon Buri averages 0 frost days, 236 hot days (≥ 30 °C) and 171 rainy days per year.
Khon Buri has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.0 °C (on 14 April 1983) and the coldest 6.5 °C (on 13 January 1955).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
Khon BuriNakhon Ratchasima
- coords
- 14.53°, 102.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.7°C
Average daily high
30.8°C
Average daily low
21.9°C
Annual rainfall
1,099mm
Sunshine / day
10.0h
Mean relative humidity
76%
Average peak wind
12.2km/h
Seasonal range
5.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
236 d/yr
Rainy days (≥ 1 mm)
171 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.8 °C
Average feels-like low
24.8 °C
Average peak gust
31.7 km/h
Tropical nights (≥ 20 °C)
285 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.60 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
40.0 °C
14 April 1983
Coldest day
6.5 °C
13 January 1955
Wettest day
154 mm
12 June 2013
Windiest day
34.9 km/h
3 November 2009
Strongest gust
74.5 km/h
2 August 2019
Hottest feels-like
45.1 °C
7 May 2016
Coldest feels-like
3.3 °C
12 January 1955
Sunniest day
12.7 h
19 July 1941
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 28.7 °C | -0.6 °C | 0 mm | -11 mm |
| Feb | 32.3 °C | +0.8 °C | 7 mm | -15 mm |
| Mar | 32.4 °C | -0.8 °C | 57 mm | -4 mm |
| Apr | 33.7 °C | +0.2 °C | 81 mm | -13 mm |
| May | 31.4 °C | -1.0 °C | 303 mm | +170 mm |
| Jun | 32.0 °C | +0.1 °C | 94 mm | -7 mm |
| Jul | 30.9 °C | -0.4 °C | 108 mm | -9 mm |
| Aug | 31.3 °C | +0.4 °C | 145 mm | +11 mm |
| Sep | 30.2 °C | +0.1 °C | 258 mm | +38 mm |
| Oct | 29.8 °C | +0.6 °C | 139 mm | -19 mm |
| Nov | 27.3 °C | -1.3 °C | 138 mm | +96 mm |
| Dec | 28.6 °C | +0.6 °C | 13 mm | +6 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Khon Buri?
Khon Buri has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.7 °C and it receives 1,099 mm of precipitation per year.
What is the hottest day ever recorded in Khon Buri?
The hottest day measured in Khon Buri between 1940 and 2025 was 14 April 1983, reaching 40.0 °C.
What is the coldest day in Khon Buri?
The coldest day measured in Khon Buri between 1940 and 2025 was 13 January 1955, at 6.5 °C.
Does it snow in Khon Buri?
Almost never: Khon Buri sees virtually no snow, with about 0 frost days per year.
Has the climate of Khon Buri warmed?
Yes: Khon Buri warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Khon Buri?
The wettest day measured in Khon Buri between 1940 and 2025 was 12 June 2013, with 154 mm of rain in 24 hours.
What was the windiest day in Khon Buri?
The windiest day measured in Khon Buri between 1940 and 2025 was 3 November 2009, with winds reaching 34.9 km/h.
What is the warmest month in Khon Buri?
The warmest month in Khon Buri is April (27.8 °C on average); the coldest is December (22.3 °C).
How much does it rain in Khon Buri?
Khon Buri receives on average 1,099 mm of precipitation per year, spread over about 171 rainy days.
Is it sunny in Khon Buri?
Khon Buri gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Khon Buri?
Yes: Khon Buri has on average 285 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Khon Buri?
In Khon Buri, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 7 May 2016, and the lowest was 3.3 °C on 12 January 1955.
Compare Khon Buri with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Khon Buri