Ban Selaphum climate — normals and trends

Q: What is the climate of Ban Selaphum?

Ban Selaphum has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.7 °C and it receives 1,422 mm of precipitation per year.

Q: What is the hottest day ever recorded in Ban Selaphum?

The hottest day measured in Ban Selaphum between 1940 and 2025 was 30 April 2024, reaching 43.0 °C.

Q: What is the coldest day in Ban Selaphum?

The coldest day measured in Ban Selaphum between 1940 and 2025 was 12 January 1955, at 6.3 °C.

Q: Does it snow in Ban Selaphum?

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

Q: Has the climate of Ban Selaphum warmed?

Yes: Ban Selaphum warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ban Selaphum?

The wettest day measured in Ban Selaphum between 1940 and 2025 was 12 July 1962, with 186 mm of rain in 24 hours.

Q: What was the windiest day in Ban Selaphum?

The windiest day measured in Ban Selaphum between 1940 and 2025 was 9 November 1992, with winds reaching 36.8 km/h.

Q: What is the warmest month in Ban Selaphum?

The warmest month in Ban Selaphum is April (29.5 °C on average); the coldest is December (23.1 °C).

Q: How much does it rain in Ban Selaphum?

Ban Selaphum receives on average 1,422 mm of precipitation per year, spread over about 164 rainy days.

Q: Is it sunny in Ban Selaphum?

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

Ban Selaphum (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.7 °C and it receives 1,422 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 (23.1 °C). Rainfall peaks in September.

Ban Selaphum averages 0 frost days, 286 hot days (≥ 30 °C) and 164 rainy days per year.

Ban Selaphum has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The hottest day of the period reached 43.0 °C (on 30 April 2024) and the coldest 6.3 °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

Ban SelaphumRoi Et

coords: 16.02°, 103.95°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

26.7°C

Average daily high

31.9°C

Average daily low

22.7°C

Annual rainfall

1,422mm

Sunshine / day

10.0h

Mean relative humidity

71%

Average peak wind

14.7km/h

Seasonal range

6.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

286 d/yr

Rainy days (≥ 1 mm)

164 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.7 °C

Average feels-like low

25.2 °C

Average peak gust

33.1 km/h

Tropical nights (≥ 20 °C)

286 d/yr

Solar radiation

18.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.59 · 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

43.0 °C

30 April 2024

Coldest day

6.3 °C

12 January 1955

Wettest day

186 mm

12 July 1962

Windiest day

36.8 km/h

9 November 1992

Strongest gust

74.2 km/h

23 November 1975

Hottest feels-like

48.0 °C

8 April 2024

Coldest feels-like

2.0 °C

12 January 1955

Sunniest day

12.6 h

2 July 1945

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.6 °C26 April 2025	12.0 °C13 January 2025	26.9 °C	1,515 mm	290
2024	43.0 °C30 April 2024	14.9 °C23 December 2024	28.3 °C	1,201 mm	326
2023	40.2 °C7 May 2023	12.3 °C30 January 2023	27.7 °C	1,507 mm	314
2022	37.7 °C14 March 2022	14.0 °C19 December 2022	26.9 °C	1,658 mm	305
2021	38.4 °C29 March 2021	10.7 °C13 January 2021	27.2 °C	1,382 mm	289
2020	39.8 °C21 April 2020	13.9 °C21 December 2020	27.7 °C	1,385 mm	297
2019	40.4 °C20 April 2019	14.0 °C10 December 2019	28.2 °C	1,251 mm	332
2018	38.5 °C13 April 2018	12.3 °C6 February 2018	27.4 °C	1,161 mm	321
2017	39.8 °C22 April 2017	11.9 °C21 December 2017	27.3 °C	1,822 mm	324
2016	42.1 °C17 April 2016	11.3 °C8 February 2016	27.9 °C	1,387 mm	328
2015	41.1 °C21 April 2015	12.2 °C14 January 2015	27.8 °C	1,234 mm	314
2014	39.4 °C31 March 2014	11.1 °C25 January 2014	27.3 °C	1,170 mm	317
2013	40.8 °C5 April 2013	12.6 °C28 December 2013	27.2 °C	1,331 mm	304
2012	38.9 °C25 April 2012	14.9 °C20 February 2012	27.6 °C	1,207 mm	329
2011	37.7 °C21 March 2011	13.5 °C31 January 2011	26.3 °C	1,572 mm	261
2010	40.9 °C6 May 2010	14.3 °C27 December 2010	27.8 °C	1,606 mm	310
2009	39.6 °C24 April 2009	10.9 °C11 January 2009	27.1 °C	1,548 mm	314
2008	37.9 °C12 April 2008	13.5 °C3 January 2008	26.4 °C	1,467 mm	269
2007	41.1 °C1 April 2007	13.3 °C29 January 2007	27.3 °C	1,488 mm	294
2006	39.2 °C13 April 2006	13.2 °C10 January 2006	27.4 °C	1,273 mm	317
2005	39.8 °C6 May 2005	11.4 °C2 January 2005	27.3 °C	1,072 mm	308
2004	39.4 °C17 April 2004	12.1 °C25 January 2004	27.0 °C	1,200 mm	313
2003	39.2 °C14 April 2003	12.7 °C12 January 2003	27.1 °C	1,275 mm	309
2002	39.7 °C6 April 2002	14.5 °C6 January 2002	27.4 °C	1,533 mm	321
2001	40.9 °C10 April 2001	13.2 °C23 December 2001	27.2 °C	1,336 mm	299
2000	39.2 °C3 April 2000	11.9 °C2 February 2000	26.8 °C	1,775 mm	297
1999	39.4 °C19 March 1999	8.4 °C24 December 1999	26.6 °C	1,494 mm	277
1998	40.7 °C14 April 1998	15.4 °C13 December 1998	28.0 °C	1,208 mm	316
1997	38.5 °C8 May 1997	13.4 °C12 January 1997	27.1 °C	1,240 mm	308
1996	39.4 °C20 March 1996	12.2 °C1 January 1996	26.6 °C	1,487 mm	271
1995	38.7 °C22 April 1995	12.1 °C6 January 1995	26.9 °C	1,399 mm	298
1994	40.0 °C4 May 1994	12.6 °C24 January 1994	27.0 °C	1,458 mm	305
1993	40.1 °C4 April 1993	11.2 °C30 January 1993	26.6 °C	1,135 mm	287
1992	41.3 °C21 April 1992	12.0 °C17 January 1992	26.9 °C	1,235 mm	271
1991	40.6 °C19 April 1991	14.5 °C29 December 1991	27.3 °C	1,238 mm	299
1990	39.6 °C23 April 1990	14.2 °C5 December 1990	26.8 °C	1,593 mm	299
1989	39.8 °C21 April 1989	14.0 °C12 February 1989	26.6 °C	1,548 mm	280
1988	39.5 °C22 April 1988	13.6 °C20 January 1988	26.9 °C	1,421 mm	273
1987	39.1 °C13 April 1987	13.0 °C8 December 1987	27.3 °C	1,322 mm	295
1986	39.9 °C20 March 1986	11.3 °C2 March 1986	26.5 °C	1,487 mm	274
1985	40.0 °C13 April 1985	13.1 °C17 December 1985	26.6 °C	1,287 mm	296
1984	39.8 °C7 April 1984	10.9 °C10 January 1984	26.4 °C	1,388 mm	269
1983	41.4 °C9 April 1983	9.8 °C24 January 1983	27.1 °C	1,413 mm	281
1982	40.2 °C30 April 1982	8.2 °C30 December 1982	26.7 °C	1,567 mm	288
1981	38.2 °C22 March 1981	12.2 °C21 December 1981	26.6 °C	1,526 mm	286
1980	40.6 °C25 April 1980	13.2 °C25 December 1980	27.0 °C	1,777 mm	292
1979	39.8 °C8 April 1979	14.5 °C29 November 1979	27.2 °C	1,552 mm	310
1978	38.1 °C2 April 1978	13.6 °C23 January 1978	26.7 °C	1,939 mm	286
1977	40.1 °C7 June 1977	12.8 °C23 February 1977	26.7 °C	1,417 mm	278
1976	39.3 °C17 April 1976	10.5 °C16 January 1976	26.2 °C	1,594 mm	265
1975	39.8 °C14 April 1975	8.5 °C30 December 1975	26.3 °C	1,759 mm	262
1974	38.0 °C24 February 1974	9.7 °C2 January 1974	26.3 °C	1,619 mm	271
1973	40.2 °C11 April 1973	11.3 °C27 December 1973	26.9 °C	1,475 mm	270
1972	40.1 °C7 May 1972	12.6 °C15 January 1972	26.7 °C	1,503 mm	293
1971	37.5 °C3 April 1971	11.0 °C5 January 1971	25.8 °C	1,199 mm	245
1970	38.4 °C14 March 1970	12.7 °C20 January 1970	26.6 °C	1,310 mm	266
1969	38.9 °C21 April 1969	12.9 °C6 February 1969	26.9 °C	1,308 mm	267
1968	37.9 °C1 April 1968	12.2 °C5 January 1968	26.4 °C	1,350 mm	291
1967	38.5 °C31 March 1967	9.6 °C17 January 1967	26.0 °C	1,040 mm	234
1966	38.3 °C29 April 1966	13.7 °C1 January 1966	26.6 °C	1,666 mm	273
1965	38.8 °C1 May 1965	11.1 °C2 January 1965	26.4 °C	1,567 mm	295
1964	39.1 °C7 April 1964	11.2 °C19 December 1964	26.2 °C	1,700 mm	276
1963	39.5 °C23 April 1963	8.1 °C15 January 1963	25.9 °C	1,424 mm	271
1962	38.1 °C21 March 1962	10.2 °C28 January 1962	25.8 °C	1,791 mm	240
1961	39.6 °C24 March 1961	10.8 °C19 January 1961	26.5 °C	1,647 mm	279
1960	41.3 °C29 April 1960	9.9 °C3 January 1960	26.6 °C	1,651 mm	266
1959	39.4 °C11 April 1959	12.0 °C12 January 1959	26.8 °C	1,413 mm	293
1958	40.6 °C25 April 1958	12.8 °C5 January 1958	26.4 °C	1,552 mm	275
1957	39.8 °C24 April 1957	12.7 °C12 February 1957	26.5 °C	1,532 mm	285
1956	38.1 °C24 March 1956	10.4 °C30 December 1956	25.9 °C	1,469 mm	259
1955	41.0 °C18 April 1955	6.3 °C12 January 1955	26.1 °C	1,271 mm	272
1954	39.7 °C18 April 1954	10.7 °C17 December 1954	26.5 °C	1,013 mm	297
1953	35.7 °C21 March 1953	12.8 °C9 January 1953	26.0 °C	1,624 mm	280
1952	38.2 °C12 April 1952	11.2 °C10 December 1952	26.2 °C	1,727 mm	279
1951	39.1 °C10 April 1951	11.9 °C14 January 1951	26.4 °C	1,184 mm	276
1950	40.0 °C24 April 1950	12.8 °C20 December 1950	26.4 °C	1,133 mm	273
1949	38.5 °C23 March 1949	9.8 °C10 January 1949	26.7 °C	1,433 mm	266
1948	39.1 °C13 March 1948	11.6 °C2 January 1948	26.0 °C	1,580 mm	246
1947	38.1 °C7 May 1947	11.7 °C21 December 1947	26.7 °C	1,095 mm	297
1946	39.0 °C6 April 1946	11.6 °C8 January 1946	26.9 °C	728 mm	303
1945	37.9 °C4 March 1945	11.6 °C18 January 1945	25.7 °C	1,323 mm	276
1944	38.3 °C27 March 1944	10.9 °C21 December 1944	26.3 °C	1,208 mm	281
1943	38.0 °C25 March 1943	11.2 °C13 January 1943	25.4 °C	1,472 mm	235
1942	36.7 °C24 March 1942	12.9 °C18 December 1942	25.7 °C	1,249 mm	229
1941	37.6 °C1 March 1941	15.3 °C2 February 1941	26.2 °C	1,455 mm	232
1940	38.3 °C10 March 1940	12.8 °C25 January 1940	25.4 °C	1,707 mm	204

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

+0.2 °C

Hot days (≥ 30 °C)

290 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1515 mm

+93 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.6 °C	-0.6 °C	0 mm	-7 mm
Feb	32.9 °C	+0.6 °C	2 mm	-12 mm
Mar	34.0 °C	-0.4 °C	24 mm	-19 mm
Apr	35.9 °C	+0.8 °C	59 mm	-20 mm
May	33.5 °C	-0.2 °C	209 mm	+27 mm
Jun	32.9 °C	+0.2 °C	159 mm	-38 mm
Jul	31.7 °C	-0.3 °C	273 mm	+59 mm
Aug	32.3 °C	+0.9 °C	243 mm	-13 mm
Sep	31.3 °C	+0.4 °C	297 mm	+8 mm
Oct	31.7 °C	+0.9 °C	128 mm	+18 mm
Nov	29.2 °C	-1.2 °C	117 mm	+91 mm
Dec	30.6 °C	+1.2 °C	4 mm	-1 mm

The year's extremes

Hottest day

38.6 °C

26 Apr 2025

Coldest day

12.0 °C

13 Jan 2025

Wettest day

46.9 mm

7 Nov 2025

Windiest day

32.8 km/h

11 Jan 2025

Strongest gust

66.2 km/h

23 Jul 2025

Hottest feels-like

44.6 °C

25 Apr 2025

Coldest feels-like

9.3 °C

13 Jan 2025

Sunniest day

12.3 h

18 Jul 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 Ban Selaphum?

Ban Selaphum has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.7 °C and it receives 1,422 mm of precipitation per year.

What is the hottest day ever recorded in Ban Selaphum?

The hottest day measured in Ban Selaphum between 1940 and 2025 was 30 April 2024, reaching 43.0 °C.

What is the coldest day in Ban Selaphum?

The coldest day measured in Ban Selaphum between 1940 and 2025 was 12 January 1955, at 6.3 °C.

Does it snow in Ban Selaphum?

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

Has the climate of Ban Selaphum warmed?

Yes: Ban Selaphum warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ban Selaphum?

The wettest day measured in Ban Selaphum between 1940 and 2025 was 12 July 1962, with 186 mm of rain in 24 hours.

What was the windiest day in Ban Selaphum?

The windiest day measured in Ban Selaphum between 1940 and 2025 was 9 November 1992, with winds reaching 36.8 km/h.

What is the warmest month in Ban Selaphum?

The warmest month in Ban Selaphum is April (29.5 °C on average); the coldest is December (23.1 °C).

How much does it rain in Ban Selaphum?

Ban Selaphum receives on average 1,422 mm of precipitation per year, spread over about 164 rainy days.

Is it sunny in Ban Selaphum?

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

Are there tropical nights in Ban Selaphum?

Yes: Ban Selaphum has on average 286 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ban Selaphum?

In Ban Selaphum, between 1940 and 2025, the highest apparent temperature reached 48.0 °C on 8 April 2024, and the lowest was 2.0 °C on 12 January 1955.

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