Chok Chai climate — normals and trends

Chok Chai (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 955 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 (29.5 °C on average) and the coldest is December (23.5 °C). Rainfall peaks in September.

Chok Chai averages 0 frost days, 294 hot days (≥ 30 °C) and 151 rainy days per year.

Chok Chai has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.9 °C (on 27 April 2024) and the coldest 7.6 °C (on 12 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

Chok ChaiNakhon Ratchasima

coords
14.73°, 102.17°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

27.1°C

Average daily high

32.5°C

Average daily low

22.9°C

Annual rainfall

955mm

Sunshine / day

10.1h

Mean relative humidity

70%

Average peak wind

13.2km/h

Seasonal range

6.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

294 d/yr

Rainy days (≥ 1 mm)

151 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.1 °C

Average feels-like low

25.9 °C

Average peak gust

31.6 km/h

Tropical nights (≥ 20 °C)

301 d/yr

Solar radiation

18.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.61 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

41.9 °C

27 April 2024

Coldest day

7.6 °C

12 January 1955

Wettest day

178 mm

30 September 1957

Windiest day

35.3 km/h

3 November 2009

Strongest gust

75.6 km/h

22 July 2025

Hottest feels-like

47.3 °C

12 April 1952

Coldest feels-like

4.1 °C

12 January 1955

Sunniest day

12.7 h

19 July 1941

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202539.2 °C26 April 202512.4 °C13 January 202527.1 °C1,141 mm2980
202441.9 °C27 April 202415.6 °C23 December 202428.5 °C963 mm3400
202339.7 °C6 May 202314.1 °C30 January 202328.1 °C929 mm3270
202238.2 °C27 April 202214.4 °C19 December 202227.0 °C1,279 mm2980
202138.5 °C2 April 202111.6 °C13 January 202127.2 °C1,121 mm2920
202041.1 °C1 April 202014.7 °C21 December 202028.0 °C1,062 mm3000
201940.0 °C3 May 201913.5 °C10 December 201928.3 °C897 mm3350
201839.4 °C24 April 201813.7 °C6 February 201827.6 °C1,021 mm3300
201738.6 °C14 March 201712.2 °C20 December 201727.5 °C1,070 mm3260
201641.2 °C11 April 201612.3 °C8 February 201628.1 °C924 mm3310
201539.7 °C19 April 201513.8 °C16 January 201527.8 °C984 mm3240
201438.7 °C27 April 201410.9 °C24 January 201427.4 °C804 mm3210
201340.0 °C5 April 201312.2 °C26 December 201327.2 °C1,312 mm2940
201238.2 °C26 April 201216.8 °C9 January 201227.9 °C885 mm3380
201137.8 °C7 March 201113.7 °C12 December 201126.6 °C1,233 mm2760
201040.3 °C15 April 201015.8 °C30 December 201027.9 °C1,114 mm3100
200938.5 °C9 March 200911.8 °C12 January 200927.5 °C941 mm3260
200839.1 °C12 April 200814.2 °C2 January 200826.8 °C1,062 mm2880
200739.8 °C24 April 200713.3 °C4 February 200727.6 °C988 mm3000
200639.1 °C4 May 200613.4 °C24 December 200627.7 °C1,000 mm3270
200539.5 °C12 April 200512.5 °C2 January 200527.9 °C815 mm3150
200440.1 °C26 March 200413.7 °C25 January 200427.5 °C761 mm3320
200339.1 °C7 April 200313.4 °C13 January 200327.5 °C794 mm3070
200239.4 °C7 April 200215.6 °C6 January 200227.6 °C1,022 mm3140
200140.2 °C11 April 200114.1 °C23 December 200127.5 °C906 mm3100
200038.6 °C6 March 200013.0 °C2 February 200027.0 °C1,091 mm2970
199939.1 °C19 March 19999.5 °C24 December 199926.9 °C1,149 mm2840
199841.3 °C14 April 199815.7 °C16 December 199828.4 °C818 mm3340
199739.3 °C8 May 199713.1 °C12 January 199727.6 °C906 mm3250
199640.2 °C22 March 199611.1 °C1 January 199626.9 °C1,112 mm2830
199539.5 °C22 April 199511.7 °C31 December 199527.2 °C1,050 mm2900
199440.0 °C11 April 199414.5 °C24 January 199427.6 °C793 mm3400
199340.2 °C4 April 199311.7 °C31 January 199327.2 °C674 mm3100
199240.1 °C27 April 199212.7 °C18 January 199227.3 °C766 mm2950
199140.0 °C19 April 199115.8 °C22 December 199127.2 °C979 mm2920
199040.2 °C24 April 199014.1 °C6 December 199027.4 °C1,046 mm3040
198939.5 °C19 April 198914.2 °C4 December 198927.4 °C793 mm3140
198839.5 °C17 March 198813.7 °C13 December 198827.2 °C986 mm2780
198739.3 °C11 April 198712.5 °C9 December 198727.5 °C882 mm3010
198640.1 °C1 April 198612.5 °C3 March 198627.1 °C856 mm3030
198539.6 °C12 April 198513.2 °C17 December 198527.0 °C939 mm3100
198439.1 °C20 March 198411.3 °C10 January 198427.0 °C811 mm2990
198341.8 °C14 April 198311.5 °C25 January 198327.6 °C913 mm2860
198239.6 °C16 March 19829.8 °C29 December 198227.4 °C738 mm3210
198139.3 °C6 April 198111.4 °C14 January 198127.2 °C807 mm3060
198040.7 °C29 March 198013.6 °C24 December 198027.4 °C1,075 mm2990
197939.7 °C7 April 197914.0 °C27 December 197927.7 °C803 mm3310
197841.3 °C23 March 197813.1 °C16 December 197827.4 °C1,026 mm3020
197740.9 °C18 April 197713.5 °C23 February 197726.9 °C860 mm3010
197639.1 °C17 April 197610.5 °C1 January 197626.6 °C1,118 mm2750
197540.2 °C11 April 19758.9 °C31 December 197526.7 °C1,036 mm2920
197438.0 °C6 April 19749.6 °C2 January 197426.4 °C1,100 mm2830
197339.3 °C13 March 197310.8 °C27 December 197327.1 °C891 mm2830
197239.3 °C29 May 197212.8 °C11 January 197227.0 °C1,337 mm2990
197138.4 °C1 April 197111.3 °C5 January 197126.3 °C763 mm2700
197038.9 °C30 March 197014.4 °C2 January 197027.1 °C789 mm2940
196939.3 °C4 April 196912.5 °C5 December 196927.2 °C846 mm2790
196838.5 °C1 April 196811.1 °C5 January 196827.1 °C718 mm3220
196739.1 °C4 April 19679.8 °C17 January 196726.3 °C757 mm2590
196638.2 °C29 April 196613.1 °C2 January 196626.5 °C1,223 mm2480
196539.1 °C28 April 196511.6 °C18 January 196526.8 °C898 mm3040
196439.9 °C6 April 196412.2 °C19 December 196426.7 °C1,011 mm2810
196339.9 °C23 April 19638.4 °C16 January 196326.2 °C1,012 mm2510
196239.0 °C22 March 196210.5 °C28 January 196226.4 °C944 mm2690
196138.3 °C25 April 196110.5 °C19 January 196126.9 °C810 mm2980
196039.9 °C14 April 196010.2 °C3 January 196027.1 °C954 mm2860
195939.7 °C10 June 195912.9 °C14 January 195927.0 °C807 mm2840
195840.1 °C25 April 195813.1 °C6 January 195826.7 °C925 mm2630
195739.6 °C16 May 195713.1 °C2 January 195726.6 °C1,415 mm2620
195639.0 °C18 March 195610.2 °C17 January 195626.2 °C1,035 mm2600
195539.7 °C17 April 19557.6 °C12 January 195526.3 °C910 mm2790
195439.3 °C18 April 195410.3 °C17 December 195426.4 °C788 mm2840
195336.1 °C15 April 195312.8 °C13 December 195325.6 °C1,452 mm2430
195241.1 °C12 April 195211.8 °C12 December 195226.7 °C1,080 mm2820
195138.8 °C2 April 195112.8 °C2 January 195126.8 °C661 mm2810
195039.7 °C24 April 195013.5 °C3 January 195026.4 °C882 mm2700
194937.8 °C15 March 194910.3 °C16 January 194926.5 °C784 mm2780
194838.5 °C13 March 194811.3 °C2 January 194826.4 °C780 mm2690
194738.2 °C6 March 194712.4 °C21 December 194726.8 °C852 mm2820
194639.1 °C5 April 194611.9 °C8 January 194626.8 °C646 mm3010
194537.9 °C3 March 194512.8 °C31 December 194526.3 °C810 mm2810
194438.6 °C8 April 194411.3 °C21 December 194426.3 °C1,025 mm2620
194336.9 °C7 April 194311.9 °C13 January 194325.6 °C1,173 mm2340
194237.1 °C26 July 194212.0 °C15 December 194225.8 °C899 mm2420
194138.1 °C1 March 194115.1 °C25 December 194126.2 °C984 mm2190
194038.5 °C11 March 194011.2 °C5 January 194025.6 °C1,129 mm2100

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

Average daily high
32.4 °C
-0.1 °C
Hot days (≥ 30 °C)
298 d/yr
+4
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1141 mm
+186 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan30.3 °C-0.4 °C0 mm-6 mm
Feb33.8 °C+0.6 °C3 mm-10 mm
Mar33.7 °C-1.4 °C87 mm+49 mm
Apr35.8 °C+0.1 °C62 mm-5 mm
May33.1 °C-1.2 °C195 mm+88 mm
Jun34.2 °C+0.3 °C75 mm-14 mm
Jul33.2 °C-0.1 °C95 mm-11 mm
Aug33.6 °C+0.9 °C159 mm+32 mm
Sep31.4 °C+0.1 °C217 mm-6 mm
Oct31.1 °C+0.7 °C136 mm-7 mm
Nov28.7 °C-1.4 °C105 mm+70 mm
Dec30.4 °C+0.9 °C9 mm+4 mm

The year's extremes

Hottest day
39.2 °C
26 Apr 2025
Coldest day
12.4 °C
13 Jan 2025
Wettest day
47.1 mm
7 Mar 2025
Windiest day
28.1 km/h
19 Nov 2025
Strongest gust
75.6 km/h
22 Jul 2025
Hottest feels-like
45.3 °C
25 Apr 2025
Coldest feels-like
10.7 °C
13 Jan 2025
Sunniest day
12.5 h
1 Aug 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Chok Chai?

Chok Chai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 955 mm of precipitation per year.

What is the hottest day ever recorded in Chok Chai?

The hottest day measured in Chok Chai between 1940 and 2025 was 27 April 2024, reaching 41.9 °C.

What is the coldest day in Chok Chai?

The coldest day measured in Chok Chai between 1940 and 2025 was 12 January 1955, at 7.6 °C.

Does it snow in Chok Chai?

Almost never: Chok Chai sees virtually no snow, with about 0 frost days per year.

Has the climate of Chok Chai warmed?

Yes: Chok Chai warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Chok Chai?

The wettest day measured in Chok Chai between 1940 and 2025 was 30 September 1957, with 178 mm of rain in 24 hours.

What was the windiest day in Chok Chai?

The windiest day measured in Chok Chai between 1940 and 2025 was 3 November 2009, with winds reaching 35.3 km/h.

What is the warmest month in Chok Chai?

The warmest month in Chok Chai is April (29.5 °C on average); the coldest is December (23.5 °C).

How much does it rain in Chok Chai?

Chok Chai receives on average 955 mm of precipitation per year, spread over about 151 rainy days.

Is it sunny in Chok Chai?

Chok Chai gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Are there tropical nights in Chok Chai?

Yes: Chok Chai has on average 301 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Chok Chai?

In Chok Chai, between 1940 and 2025, the highest apparent temperature reached 47.3 °C on 12 April 1952, and the lowest was 4.1 °C on 12 January 1955.

Compare Chok Chai with another city

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