Suphan Buri climate — normals and trends

Q: What is the climate of Suphan Buri?

Suphan Buri has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.4 °C and it receives 1,206 mm of precipitation per year.

Q: What is the hottest day ever recorded in Suphan Buri?

The hottest day measured in Suphan Buri between 1940 and 2025 was 11 May 2016, reaching 42.9 °C.

Q: What is the coldest day in Suphan Buri?

The coldest day measured in Suphan Buri between 1940 and 2025 was 4 January 1960, at 11.2 °C.

Q: Does it snow in Suphan Buri?

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

Q: Has the climate of Suphan Buri warmed?

Yes: Suphan Buri warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Suphan Buri?

The wettest day measured in Suphan Buri between 1940 and 2025 was 26 October 1971, with 126 mm of rain in 24 hours.

Q: What was the windiest day in Suphan Buri?

The windiest day measured in Suphan Buri between 1940 and 2025 was 23 November 1975, with winds reaching 31.4 km/h.

Q: What is the warmest month in Suphan Buri?

The warmest month in Suphan Buri is April (31.0 °C on average); the coldest is December (25.7 °C).

Q: How much does it rain in Suphan Buri?

Suphan Buri receives on average 1,206 mm of precipitation per year, spread over about 166 rainy days.

Q: Is it sunny in Suphan Buri?

Suphan Buri gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Suphan Buri (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.4 °C and it receives 1,206 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 (31.0 °C on average) and the coldest is December (25.7 °C). Rainfall peaks in September.

Suphan Buri averages 0 frost days, 330 hot days (≥ 30 °C) and 166 rainy days per year.

Suphan Buri has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.

The hottest day of the period reached 42.9 °C (on 11 May 2016) and the coldest 11.2 °C (on 4 January 1960).

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

Suphan BuriSuphan Buri

coords: 14.47°, 100.12°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

28.4°C

Average daily high

33.7°C

Average daily low

24.4°C

Annual rainfall

1,206mm

Sunshine / day

9.9h

Mean relative humidity

69%

Average peak wind

13.8km/h

Seasonal range

5.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

330 d/yr

Rainy days (≥ 1 mm)

166 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.8 °C

Average feels-like low

27.9 °C

Average peak gust

31.5 km/h

Tropical nights (≥ 20 °C)

338 d/yr

Solar radiation

18.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.3 °C

since 1940

+0.3 °C per decade · r² = 0.68 · 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

42.9 °C

11 May 2016

Coldest day

11.2 °C

4 January 1960

Wettest day

126 mm

26 October 1971

Windiest day

31.4 km/h

23 November 1975

Strongest gust

72.0 km/h

19 July 1962

Hottest feels-like

47.9 °C

18 April 1953

Coldest feels-like

8.1 °C

12 January 1955

Sunniest day

12.8 h

4 July 2021

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.9 °C26 April 2025	16.1 °C29 November 2025	28.7 °C	1,473 mm	339
2024	42.1 °C27 April 2024	18.9 °C21 December 2024	30.0 °C	1,073 mm	357
2023	41.8 °C7 May 2023	17.4 °C31 January 2023	29.7 °C	948 mm	347
2022	39.1 °C27 April 2022	18.3 °C28 December 2022	28.6 °C	1,413 mm	339
2021	40.3 °C2 June 2021	15.8 °C13 January 2021	28.9 °C	1,449 mm	341
2020	41.1 °C21 April 2020	17.5 °C28 January 2020	29.6 °C	1,023 mm	341
2019	42.2 °C3 May 2019	17.0 °C7 December 2019	29.7 °C	1,045 mm	350
2018	40.7 °C15 April 2018	18.0 °C14 January 2018	29.0 °C	1,265 mm	345
2017	40.9 °C23 April 2017	15.8 °C20 December 2017	29.0 °C	1,460 mm	345
2016	42.9 °C11 May 2016	14.9 °C26 January 2016	29.7 °C	911 mm	353
2015	40.9 °C20 April 2015	17.4 °C16 January 2015	29.5 °C	985 mm	350
2014	40.0 °C22 April 2014	12.5 °C25 January 2014	28.9 °C	1,020 mm	342
2013	41.6 °C2 May 2013	15.6 °C28 December 2013	28.6 °C	1,197 mm	328
2012	40.2 °C30 April 2012	20.2 °C10 January 2012	29.0 °C	1,326 mm	354
2011	37.5 °C8 July 2011	17.1 °C17 March 2011	27.9 °C	1,367 mm	326
2010	41.0 °C9 May 2010	18.6 °C28 December 2010	29.3 °C	1,255 mm	340
2009	39.8 °C23 April 2009	13.9 °C12 January 2009	28.6 °C	1,244 mm	339
2008	39.1 °C9 May 2008	17.3 °C3 January 2008	28.5 °C	1,227 mm	338
2007	41.5 °C1 April 2007	15.7 °C4 February 2007	29.2 °C	1,246 mm	348
2006	41.0 °C12 April 2006	15.0 °C24 December 2006	29.3 °C	1,172 mm	352
2005	41.0 °C28 April 2005	15.9 °C3 January 2005	29.4 °C	1,143 mm	345
2004	42.4 °C15 April 2004	16.9 °C15 February 2004	29.4 °C	885 mm	356
2003	41.5 °C7 May 2003	17.2 °C14 January 2003	29.2 °C	1,036 mm	356
2002	41.1 °C11 April 2002	18.5 °C4 January 2002	29.1 °C	1,177 mm	350
2001	42.5 °C11 April 2001	17.4 °C22 November 2001	29.0 °C	1,175 mm	339
2000	40.4 °C4 April 2000	15.5 °C4 February 2000	28.6 °C	1,266 mm	347
1999	40.4 °C18 March 1999	11.3 °C25 December 1999	28.5 °C	1,349 mm	334
1998	42.2 °C26 April 1998	18.8 °C17 December 1998	29.9 °C	976 mm	350
1997	42.0 °C6 May 1997	16.0 °C13 January 1997	29.4 °C	952 mm	357
1996	40.3 °C2 April 1996	13.1 °C2 January 1996	28.4 °C	1,463 mm	337
1995	41.3 °C12 March 1995	14.4 °C31 December 1995	28.9 °C	1,302 mm	341
1994	41.4 °C11 April 1994	17.7 °C26 January 1994	29.1 °C	1,125 mm	353
1993	42.3 °C4 May 1993	14.0 °C31 January 1993	29.0 °C	868 mm	349
1992	42.4 °C3 May 1992	15.7 °C18 January 1992	28.8 °C	1,010 mm	325
1991	40.3 °C18 April 1991	18.4 °C1 November 1991	28.9 °C	1,121 mm	352
1990	41.4 °C23 April 1990	16.1 °C6 December 1990	29.2 °C	991 mm	346
1989	40.5 °C19 April 1989	16.4 °C4 December 1989	28.9 °C	930 mm	354
1988	40.6 °C6 April 1988	16.7 °C13 December 1988	28.5 °C	1,300 mm	331
1987	40.6 °C3 April 1987	14.8 °C9 December 1987	28.8 °C	1,080 mm	332
1986	39.7 °C21 April 1986	15.2 °C7 January 1986	28.3 °C	1,086 mm	334
1985	40.3 °C14 April 1985	15.8 °C18 December 1985	28.3 °C	1,155 mm	339
1984	40.3 °C5 May 1984	12.9 °C10 January 1984	28.3 °C	858 mm	342
1983	41.2 °C14 April 1983	15.1 °C29 November 1983	28.6 °C	1,259 mm	312
1982	40.2 °C29 April 1982	13.4 °C23 December 1982	28.3 °C	1,032 mm	337
1981	40.6 °C6 April 1981	14.5 °C19 January 1981	28.1 °C	1,248 mm	327
1980	42.4 °C26 April 1980	16.1 °C25 December 1980	28.8 °C	1,049 mm	348
1979	40.9 °C5 May 1979	17.2 °C27 December 1979	29.1 °C	941 mm	354
1978	42.1 °C30 April 1978	15.4 °C16 December 1978	28.6 °C	1,226 mm	337
1977	39.7 °C18 April 1977	17.5 °C18 November 1977	28.5 °C	889 mm	355
1976	40.5 °C17 April 1976	11.9 °C1 January 1976	27.5 °C	1,603 mm	319
1975	40.4 °C17 April 1975	11.6 °C31 December 1975	27.6 °C	1,553 mm	307
1974	39.9 °C8 May 1974	12.7 °C2 January 1974	27.7 °C	1,587 mm	318
1973	41.8 °C23 April 1973	12.7 °C27 December 1973	28.5 °C	1,073 mm	333
1972	42.3 °C8 May 1972	14.2 °C16 January 1972	28.1 °C	1,679 mm	332
1971	39.8 °C25 April 1971	14.7 °C7 January 1971	27.7 °C	1,285 mm	314
1970	42.1 °C9 May 1970	16.9 °C18 December 1970	28.3 °C	1,289 mm	330
1969	40.9 °C3 April 1969	15.6 °C5 December 1969	28.6 °C	1,130 mm	326
1968	41.8 °C27 May 1968	14.5 °C6 January 1968	28.7 °C	1,051 mm	356
1967	41.0 °C31 March 1967	13.8 °C17 January 1967	28.0 °C	1,086 mm	329
1966	39.3 °C27 April 1966	16.8 °C2 January 1966	27.6 °C	1,301 mm	294
1965	40.4 °C2 May 1965	13.9 °C22 January 1965	27.9 °C	1,299 mm	335
1964	39.5 °C6 April 1964	14.6 °C19 December 1964	27.7 °C	1,313 mm	304
1963	42.6 °C17 May 1963	12.1 °C16 January 1963	27.6 °C	1,489 mm	309
1962	39.8 °C23 March 1962	14.6 °C6 December 1962	27.9 °C	1,111 mm	325
1961	39.7 °C25 April 1961	13.1 °C19 January 1961	27.9 °C	1,115 mm	333
1960	41.8 °C25 April 1960	11.2 °C4 January 1960	28.8 °C	952 mm	337
1959	40.5 °C13 June 1959	16.6 °C15 January 1959	28.4 °C	1,067 mm	338
1958	40.3 °C26 March 1958	16.6 °C11 January 1958	28.0 °C	915 mm	304
1957	41.3 °C15 May 1957	13.8 °C6 February 1957	27.8 °C	1,391 mm	323
1956	38.8 °C30 March 1956	12.1 °C17 January 1956	27.2 °C	1,205 mm	300
1955	39.2 °C17 April 1955	11.7 °C13 January 1955	27.1 °C	1,377 mm	298
1954	40.1 °C18 April 1954	13.8 °C17 December 1954	27.7 °C	1,001 mm	332
1953	36.2 °C15 April 1953	14.8 °C13 December 1953	26.2 °C	2,548 mm	242
1952	40.7 °C30 April 1952	13.5 °C12 December 1952	27.5 °C	1,584 mm	308
1951	41.1 °C9 April 1951	14.5 °C2 January 1951	27.9 °C	1,075 mm	309
1950	39.9 °C23 April 1950	14.8 °C3 January 1950	27.6 °C	1,204 mm	309
1949	38.5 °C14 May 1949	14.5 °C17 January 1949	27.8 °C	786 mm	331
1948	38.6 °C22 March 1948	14.9 °C3 January 1948	27.4 °C	1,224 mm	299
1947	39.1 °C7 March 1947	15.7 °C30 December 1947	27.9 °C	1,106 mm	334
1946	39.5 °C12 March 1946	15.1 °C8 January 1946	27.3 °C	1,163 mm	327
1945	38.0 °C1 April 1945	15.5 °C31 December 1945	27.0 °C	1,373 mm	305
1944	40.5 °C4 May 1944	14.0 °C22 December 1944	27.4 °C	1,398 mm	291
1943	38.8 °C7 April 1943	15.6 °C26 January 1943	26.7 °C	1,356 mm	282
1942	38.1 °C20 April 1942	14.0 °C17 December 1942	26.8 °C	1,252 mm	284
1941	39.1 °C3 May 1941	16.7 °C24 January 1941	27.1 °C	1,404 mm	260
1940	38.9 °C10 March 1940	13.2 °C4 January 1940	26.7 °C	1,371 mm	261

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

33.7 °C

0.0 °C

Hot days (≥ 30 °C)

339 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1473 mm

+267 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.9 °C	-0.5 °C	0 mm	-15 mm
Feb	34.3 °C	-0.1 °C	34 mm	+10 mm
Mar	36.4 °C	+0.1 °C	48 mm	+3 mm
Apr	37.2 °C	+0.1 °C	70 mm	-9 mm
May	34.5 °C	-1.0 °C	269 mm	+125 mm
Jun	34.2 °C	-0.1 °C	112 mm	-13 mm
Jul	33.8 °C	+0.2 °C	129 mm	+1 mm
Aug	34.7 °C	+1.4 °C	148 mm	+7 mm
Sep	33.0 °C	+0.3 °C	286 mm	+43 mm
Oct	32.9 °C	+1.0 °C	198 mm	+0 mm
Nov	30.1 °C	-1.5 °C	173 mm	+119 mm
Dec	31.8 °C	+0.5 °C	7 mm	-3 mm

The year's extremes

Hottest day

39.9 °C

26 Apr 2025

Coldest day

16.1 °C

29 Nov 2025

Wettest day

74.6 mm

1 Nov 2025

Windiest day

24.5 km/h

19 Nov 2025

Strongest gust

61.6 km/h

24 Jul 2025

Hottest feels-like

45.8 °C

25 Apr 2025

Coldest feels-like

15.0 °C

12 Jan 2025

Sunniest day

12.6 h

2 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 Suphan Buri?

Suphan Buri has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.4 °C and it receives 1,206 mm of precipitation per year.

What is the hottest day ever recorded in Suphan Buri?

The hottest day measured in Suphan Buri between 1940 and 2025 was 11 May 2016, reaching 42.9 °C.

What is the coldest day in Suphan Buri?

The coldest day measured in Suphan Buri between 1940 and 2025 was 4 January 1960, at 11.2 °C.

Does it snow in Suphan Buri?

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

Has the climate of Suphan Buri warmed?

Yes: Suphan Buri warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Suphan Buri?

The wettest day measured in Suphan Buri between 1940 and 2025 was 26 October 1971, with 126 mm of rain in 24 hours.

What was the windiest day in Suphan Buri?

The windiest day measured in Suphan Buri between 1940 and 2025 was 23 November 1975, with winds reaching 31.4 km/h.

What is the warmest month in Suphan Buri?

The warmest month in Suphan Buri is April (31.0 °C on average); the coldest is December (25.7 °C).

How much does it rain in Suphan Buri?

Suphan Buri receives on average 1,206 mm of precipitation per year, spread over about 166 rainy days.

Is it sunny in Suphan Buri?

Suphan Buri gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Are there tropical nights in Suphan Buri?

Yes: Suphan Buri has on average 338 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Suphan Buri?

In Suphan Buri, between 1940 and 2025, the highest apparent temperature reached 47.9 °C on 18 April 1953, and the lowest was 8.1 °C on 12 January 1955.

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