Chaiyaphum climate — normals and trends

Q: What is the climate of Chaiyaphum?

Chaiyaphum has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.7 °C and it receives 1,135 mm of precipitation per year.

Q: What is the hottest day ever recorded in Chaiyaphum?

The hottest day measured in Chaiyaphum between 1940 and 2025 was 29 April 2024, reaching 41.4 °C.

Q: What is the coldest day in Chaiyaphum?

The coldest day measured in Chaiyaphum between 1940 and 2025 was 12 January 1955, at 6.8 °C.

Q: Does it snow in Chaiyaphum?

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

Q: Has the climate of Chaiyaphum warmed?

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

Q: What is the wettest day in Chaiyaphum?

The wettest day measured in Chaiyaphum between 1940 and 2025 was 23 August 2000, with 149 mm of rain in 24 hours.

Q: What was the windiest day in Chaiyaphum?

The windiest day measured in Chaiyaphum between 1940 and 2025 was 3 November 2009, with winds reaching 31.9 km/h.

Q: What is the warmest month in Chaiyaphum?

The warmest month in Chaiyaphum is April (29.4 °C on average); the coldest is December (23.0 °C).

Q: How much does it rain in Chaiyaphum?

Chaiyaphum receives on average 1,135 mm of precipitation per year, spread over about 153 rainy days.

Q: Is it sunny in Chaiyaphum?

Chaiyaphum gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Chaiyaphum (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.7 °C and it receives 1,135 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 (29.4 °C on average) and the coldest is December (23.0 °C). Rainfall peaks in September.

Chaiyaphum averages 0 frost days, 280 hot days (≥ 30 °C) and 153 rainy days per year.

Chaiyaphum 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 41.4 °C (on 29 April 2024) and the coldest 6.8 °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

ChaiyaphumChaiyaphum

coords: 15.81°, 102.03°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

26.7°C

Average daily high

32.0°C

Average daily low

22.6°C

Annual rainfall

1,135mm

Sunshine / day

10.0h

Mean relative humidity

71%

Average peak wind

13.4km/h

Seasonal range

6.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

280 d/yr

Rainy days (≥ 1 mm)

153 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.5 °C

Average feels-like low

25.4 °C

Average peak gust

32.9 km/h

Tropical nights (≥ 20 °C)

293 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 = 0.64 · p = < 0.001

19402025

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

41.4 °C

29 April 2024

Coldest day

6.8 °C

12 January 1955

Wettest day

149 mm

23 August 2000

Windiest day

31.9 km/h

3 November 2009

Strongest gust

73.4 km/h

23 July 2025

Hottest feels-like

46.9 °C

21 March 1953

Coldest feels-like

3.0 °C

12 January 1955

Sunniest day

12.7 h

13 July 2023

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.3 °C29 March 2025	11.4 °C29 November 2025	26.8 °C	1,199 mm	285
2024	41.4 °C29 April 2024	15.4 °C23 December 2024	28.3 °C	875 mm	326
2023	40.1 °C15 April 2023	12.8 °C31 January 2023	27.7 °C	1,015 mm	314
2022	37.8 °C27 April 2022	14.1 °C19 December 2022	26.8 °C	1,387 mm	293
2021	38.0 °C26 February 2021	11.8 °C14 January 2021	27.0 °C	1,491 mm	292
2020	39.7 °C1 April 2020	14.8 °C22 December 2020	27.7 °C	1,129 mm	308
2019	39.3 °C23 March 2019	13.4 °C7 December 2019	28.0 °C	895 mm	333
2018	38.1 °C5 March 2018	13.1 °C6 February 2018	27.0 °C	1,140 mm	311
2017	39.2 °C10 April 2017	11.9 °C20 December 2017	27.1 °C	1,350 mm	295
2016	40.7 °C17 April 2016	10.6 °C25 January 2016	27.6 °C	1,123 mm	311
2015	38.9 °C21 April 2015	13.3 °C14 January 2015	27.4 °C	1,091 mm	309
2014	38.2 °C30 March 2014	10.0 °C24 January 2014	27.1 °C	1,039 mm	312
2013	40.0 °C5 April 2013	12.5 °C28 December 2013	27.1 °C	1,160 mm	290
2012	38.6 °C26 April 2012	16.2 °C31 December 2012	27.4 °C	981 mm	332
2011	39.0 °C22 March 2011	13.8 °C12 December 2011	26.3 °C	1,398 mm	260
2010	40.1 °C14 April 2010	14.8 °C28 December 2010	27.6 °C	1,212 mm	295
2009	38.1 °C25 April 2009	11.1 °C11 January 2009	26.8 °C	1,172 mm	301
2008	38.0 °C21 April 2008	13.4 °C3 January 2008	26.4 °C	1,254 mm	259
2007	39.1 °C1 April 2007	12.0 °C4 February 2007	27.3 °C	1,152 mm	290
2006	38.5 °C13 April 2006	13.2 °C24 December 2006	27.3 °C	1,156 mm	313
2005	38.8 °C11 April 2005	11.9 °C2 January 2005	27.6 °C	886 mm	317
2004	39.9 °C31 March 2004	13.2 °C25 January 2004	27.0 °C	783 mm	316
2003	38.3 °C7 May 2003	13.6 °C14 January 2003	26.9 °C	1,102 mm	294
2002	38.8 °C7 April 2002	15.0 °C6 January 2002	27.2 °C	1,239 mm	308
2001	40.4 °C11 April 2001	13.3 °C31 December 2001	27.2 °C	1,018 mm	297
2000	38.0 °C4 April 2000	12.5 °C2 February 2000	26.5 °C	1,517 mm	288
1999	38.7 °C11 March 1999	8.2 °C25 December 1999	26.5 °C	1,265 mm	270
1998	40.0 °C15 April 1998	14.9 °C13 December 1998	27.8 °C	1,100 mm	316
1997	37.9 °C4 May 1997	13.0 °C13 January 1997	27.1 °C	1,093 mm	310
1996	39.2 °C20 March 1996	10.6 °C2 January 1996	26.5 °C	1,306 mm	264
1995	39.6 °C23 April 1995	11.0 °C8 January 1995	26.8 °C	1,228 mm	284
1994	39.5 °C12 April 1994	13.0 °C26 January 1994	26.9 °C	1,047 mm	294
1993	39.2 °C29 March 1993	11.3 °C31 January 1993	26.8 °C	902 mm	296
1992	40.4 °C13 April 1992	12.7 °C18 January 1992	26.8 °C	881 mm	268
1991	39.8 °C17 April 1991	15.3 °C30 December 1991	27.0 °C	1,252 mm	284
1990	40.3 °C24 April 1990	14.0 °C6 December 1990	27.1 °C	1,156 mm	304
1989	39.5 °C23 April 1989	12.2 °C4 December 1989	26.7 °C	1,078 mm	288
1988	39.6 °C17 March 1988	13.7 °C13 December 1988	27.0 °C	1,133 mm	274
1987	39.6 °C13 April 1987	12.0 °C9 December 1987	27.2 °C	1,216 mm	286
1986	39.7 °C1 April 1986	12.3 °C8 January 1986	26.9 °C	979 mm	301
1985	40.2 °C12 April 1985	12.6 °C17 December 1985	26.6 °C	1,173 mm	286
1984	39.0 °C9 April 1984	9.2 °C10 January 1984	26.5 °C	1,030 mm	278
1983	41.1 °C14 April 1983	11.1 °C24 January 1983	26.9 °C	1,212 mm	267
1982	39.4 °C13 March 1982	9.1 °C29 December 1982	26.7 °C	1,163 mm	291
1981	38.5 °C9 April 1981	11.2 °C14 January 1981	26.8 °C	831 mm	303
1980	40.4 °C25 April 1980	13.0 °C24 December 1980	26.9 °C	1,458 mm	285
1979	39.3 °C9 April 1979	13.8 °C30 December 1979	27.0 °C	1,202 mm	309
1978	41.1 °C22 March 1978	12.9 °C16 December 1978	26.8 °C	1,377 mm	286
1977	40.9 °C18 April 1977	13.2 °C23 February 1977	26.6 °C	1,020 mm	275
1976	39.2 °C17 April 1976	8.9 °C16 January 1976	26.1 °C	1,423 mm	269
1975	40.2 °C29 April 1975	8.3 °C30 December 1975	26.4 °C	1,347 mm	275
1974	37.7 °C24 February 1974	8.5 °C2 January 1974	26.3 °C	1,231 mm	275
1973	39.8 °C13 March 1973	10.2 °C27 December 1973	26.9 °C	1,035 mm	281
1972	39.9 °C13 May 1972	12.0 °C16 January 1972	26.7 °C	1,333 mm	287
1971	38.2 °C1 April 1971	10.8 °C5 January 1971	25.9 °C	1,010 mm	268
1970	38.4 °C17 March 1970	14.1 °C1 February 1970	26.7 °C	952 mm	279
1969	38.3 °C22 March 1969	12.2 °C12 December 1969	26.6 °C	1,030 mm	264
1968	38.8 °C3 April 1968	9.9 °C6 January 1968	26.8 °C	789 mm	327
1967	38.6 °C31 March 1967	9.2 °C17 January 1967	26.1 °C	746 mm	254
1966	37.2 °C10 April 1966	13.6 °C2 January 1966	26.1 °C	1,365 mm	228
1965	38.3 °C1 May 1965	10.5 °C19 January 1965	26.2 °C	1,260 mm	286
1964	39.1 °C7 April 1964	11.1 °C20 December 1964	26.1 °C	1,424 mm	264
1963	40.7 °C23 April 1963	7.6 °C16 January 1963	25.8 °C	1,194 mm	244
1962	39.3 °C6 April 1962	9.8 °C28 January 1962	25.8 °C	1,357 mm	240
1961	39.1 °C12 April 1961	9.2 °C19 January 1961	26.4 °C	1,115 mm	264
1960	40.7 °C29 April 1960	9.4 °C3 January 1960	26.8 °C	1,003 mm	287
1959	38.8 °C18 June 1959	12.1 °C14 January 1959	26.7 °C	961 mm	274
1958	39.3 °C25 April 1958	13.2 °C6 January 1958	26.3 °C	937 mm	256
1957	39.7 °C15 May 1957	13.8 °C3 January 1957	26.3 °C	1,373 mm	267
1956	38.4 °C26 March 1956	9.4 °C17 January 1956	25.7 °C	1,378 mm	247
1955	40.1 °C18 April 1955	6.8 °C12 January 1955	25.8 °C	1,077 mm	271
1954	39.2 °C18 April 1954	10.0 °C17 December 1954	26.1 °C	1,067 mm	279
1953	36.7 °C15 April 1953	12.4 °C13 December 1953	25.3 °C	1,870 mm	225
1952	39.4 °C24 April 1952	10.8 °C12 December 1952	26.1 °C	1,235 mm	268
1951	39.1 °C10 April 1951	11.2 °C2 January 1951	26.1 °C	962 mm	259
1950	40.0 °C24 April 1950	12.3 °C26 December 1950	26.1 °C	934 mm	255
1949	37.9 °C26 February 1949	9.7 °C16 January 1949	26.1 °C	915 mm	262
1948	37.6 °C13 March 1948	10.9 °C2 January 1948	25.8 °C	1,206 mm	236
1947	37.8 °C6 March 1947	11.9 °C30 December 1947	26.6 °C	920 mm	287
1946	38.5 °C6 April 1946	10.8 °C8 January 1946	26.4 °C	734 mm	299
1945	37.2 °C6 March 1945	12.1 °C19 January 1945	25.9 °C	1,082 mm	265
1944	39.3 °C4 May 1944	11.1 °C22 December 1944	26.2 °C	938 mm	258
1943	37.3 °C28 April 1943	11.7 °C13 January 1943	25.2 °C	1,397 mm	214
1942	36.3 °C25 February 1942	11.9 °C15 December 1942	25.5 °C	945 mm	222
1941	37.4 °C1 March 1941	15.7 °C31 December 1941	25.8 °C	1,030 mm	196
1940	38.2 °C11 March 1940	11.7 °C5 January 1940	25.3 °C	1,201 mm	193

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?

Year

Across the whole year

Average daily high

32.1 °C

+0.1 °C

Hot days (≥ 30 °C)

285 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1199 mm

+64 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.8 °C	-0.4 °C	0 mm	-8 mm
Feb	33.3 °C	+0.6 °C	5 mm	-11 mm
Mar	35.0 °C	+0.3 °C	26 mm	-11 mm
Apr	35.6 °C	+0.2 °C	76 mm	+5 mm
May	33.3 °C	-0.4 °C	197 mm	+43 mm
Jun	33.1 °C	+0.4 °C	119 mm	-10 mm
Jul	31.8 °C	-0.2 °C	128 mm	-12 mm
Aug	32.7 °C	+1.2 °C	196 mm	+26 mm
Sep	31.3 °C	+0.3 °C	231 mm	-20 mm
Oct	31.4 °C	+0.8 °C	128 mm	-0 mm
Nov	28.4 °C	-1.5 °C	85 mm	+58 mm
Dec	29.8 °C	+0.7 °C	9 mm	+5 mm

The year's extremes

Hottest day

39.3 °C

29 Mar 2025

Coldest day

11.4 °C

29 Nov 2025

Wettest day

42.5 mm

7 Nov 2025

Windiest day

27.3 km/h

22 Jul 2025

Strongest gust

73.4 km/h

23 Jul 2025

Hottest feels-like

44.4 °C

25 Apr 2025

Coldest feels-like

9.8 °C

13 Jan 2025

Sunniest day

12.5 h

4 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 Chaiyaphum?

Chaiyaphum has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.7 °C and it receives 1,135 mm of precipitation per year.

What is the hottest day ever recorded in Chaiyaphum?

The hottest day measured in Chaiyaphum between 1940 and 2025 was 29 April 2024, reaching 41.4 °C.

What is the coldest day in Chaiyaphum?

The coldest day measured in Chaiyaphum between 1940 and 2025 was 12 January 1955, at 6.8 °C.

Does it snow in Chaiyaphum?

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

Has the climate of Chaiyaphum warmed?

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

What is the wettest day in Chaiyaphum?

The wettest day measured in Chaiyaphum between 1940 and 2025 was 23 August 2000, with 149 mm of rain in 24 hours.

What was the windiest day in Chaiyaphum?

The windiest day measured in Chaiyaphum between 1940 and 2025 was 3 November 2009, with winds reaching 31.9 km/h.

What is the warmest month in Chaiyaphum?

The warmest month in Chaiyaphum is April (29.4 °C on average); the coldest is December (23.0 °C).

How much does it rain in Chaiyaphum?

Chaiyaphum receives on average 1,135 mm of precipitation per year, spread over about 153 rainy days.

Is it sunny in Chaiyaphum?

Chaiyaphum gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Are there tropical nights in Chaiyaphum?

Yes: Chaiyaphum has on average 293 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Chaiyaphum?

In Chaiyaphum, between 1940 and 2025, the highest apparent temperature reached 46.9 °C on 21 March 1953, and the lowest was 3.0 °C on 12 January 1955.

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