Kaset Wisai climate — normals and trends

Q: What is the climate of Kaset Wisai?

Kaset Wisai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.0 °C and it receives 1,307 mm of precipitation per year.

Q: What is the hottest day ever recorded in Kaset Wisai?

The hottest day measured in Kaset Wisai between 1940 and 2025 was 27 April 2024, reaching 43.2 °C.

Q: What is the coldest day in Kaset Wisai?

The coldest day measured in Kaset Wisai between 1940 and 2025 was 12 January 1955, at 6.4 °C.

Q: Does it snow in Kaset Wisai?

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

Q: Has the climate of Kaset Wisai warmed?

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

Q: What is the wettest day in Kaset Wisai?

The wettest day measured in Kaset Wisai between 1940 and 2025 was 26 July 2017, with 186 mm of rain in 24 hours.

Q: What was the windiest day in Kaset Wisai?

The windiest day measured in Kaset Wisai between 1940 and 2025 was 9 November 1992, with winds reaching 36.4 km/h.

Q: What is the warmest month in Kaset Wisai?

The warmest month in Kaset Wisai is April (29.7 °C on average); the coldest is December (23.2 °C).

Q: How much does it rain in Kaset Wisai?

Kaset Wisai receives on average 1,307 mm of precipitation per year, spread over about 157 rainy days.

Q: Is it sunny in Kaset Wisai?

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

Kaset Wisai (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.0 °C and it receives 1,307 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 (29.7 °C on average) and the coldest is December (23.2 °C). Rainfall peaks in September.

Kaset Wisai averages 0 frost days, 292 hot days (≥ 30 °C) and 157 rainy days per year.

Kaset Wisai 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 43.2 °C (on 27 April 2024) and the coldest 6.4 °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

Kaset WisaiRoi Et

coords: 15.66°, 103.58°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

27.0°C

Average daily high

32.2°C

Average daily low

22.8°C

Annual rainfall

1,307mm

Sunshine / day

10.1h

Mean relative humidity

71%

Average peak wind

14.3km/h

Seasonal range

6.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

292 d/yr

Rainy days (≥ 1 mm)

157 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.0 °C

Average feels-like low

25.5 °C

Average peak gust

32.4 km/h

Tropical nights (≥ 20 °C)

290 d/yr

Solar radiation

18.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.57 · 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

43.2 °C

27 April 2024

Coldest day

6.4 °C

12 January 1955

Wettest day

186 mm

26 July 2017

Windiest day

36.4 km/h

9 November 1992

Strongest gust

71.3 km/h

23 July 2025

Hottest feels-like

48.5 °C

21 March 1953

Coldest feels-like

2.3 °C

12 January 1955

Sunniest day

12.6 h

20 July 1953

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.6 °C25 April 2025	11.5 °C13 January 2025	27.0 °C	1,349 mm	294
2024	43.2 °C27 April 2024	14.7 °C23 December 2024	28.4 °C	1,170 mm	332
2023	40.2 °C7 May 2023	12.6 °C30 January 2023	27.9 °C	1,306 mm	320
2022	37.8 °C28 April 2022	13.9 °C19 December 2022	27.1 °C	1,537 mm	308
2021	38.5 °C29 March 2021	10.8 °C13 January 2021	27.3 °C	1,467 mm	294
2020	40.2 °C9 May 2020	13.9 °C22 December 2020	27.9 °C	1,284 mm	308
2019	40.7 °C20 April 2019	13.4 °C10 December 2019	28.4 °C	1,151 mm	331
2018	38.6 °C14 April 2018	12.3 °C6 February 2018	27.5 °C	1,117 mm	319
2017	39.4 °C22 April 2017	11.4 °C21 December 2017	27.5 °C	1,699 mm	326
2016	42.3 °C16 April 2016	11.2 °C8 February 2016	28.2 °C	1,267 mm	337
2015	41.1 °C20 April 2015	12.5 °C14 January 2015	28.0 °C	1,162 mm	324
2014	39.5 °C31 March 2014	11.0 °C25 January 2014	27.5 °C	1,067 mm	326
2013	41.1 °C5 April 2013	12.5 °C28 December 2013	27.4 °C	1,257 mm	309
2012	38.6 °C25 April 2012	15.1 °C20 February 2012	27.7 °C	1,141 mm	334
2011	38.1 °C7 March 2011	13.4 °C12 December 2011	26.5 °C	1,463 mm	269
2010	41.2 °C12 April 2010	14.6 °C27 December 2010	28.0 °C	1,509 mm	309
2009	39.0 °C24 April 2009	10.8 °C11 January 2009	27.2 °C	1,406 mm	318
2008	37.8 °C30 March 2008	13.6 °C2 January 2008	26.6 °C	1,467 mm	275
2007	41.2 °C23 April 2007	13.2 °C4 February 2007	27.6 °C	1,494 mm	300
2006	38.8 °C13 April 2006	13.6 °C10 January 2006	27.6 °C	1,310 mm	325
2005	40.2 °C10 April 2005	11.5 °C2 January 2005	27.7 °C	999 mm	316
2004	39.9 °C17 April 2004	12.4 °C25 January 2004	27.2 °C	1,141 mm	334
2003	39.2 °C7 May 2003	13.0 °C12 January 2003	27.3 °C	1,251 mm	310
2002	39.3 °C6 April 2002	14.5 °C6 January 2002	27.6 °C	1,544 mm	318
2001	40.8 °C10 April 2001	13.3 °C23 December 2001	27.4 °C	1,240 mm	304
2000	39.3 °C3 April 2000	12.0 °C2 February 2000	26.9 °C	1,679 mm	302
1999	39.9 °C11 March 1999	8.4 °C24 December 1999	26.8 °C	1,521 mm	288
1998	41.6 °C14 April 1998	15.3 °C13 December 1998	28.4 °C	1,208 mm	328
1997	38.5 °C8 May 1997	13.2 °C12 January 1997	27.3 °C	1,095 mm	319
1996	39.7 °C20 March 1996	11.9 °C1 January 1996	26.8 °C	1,550 mm	282
1995	39.2 °C22 April 1995	12.2 °C6 January 1995	27.2 °C	1,209 mm	303
1994	39.3 °C2 May 1994	12.7 °C24 January 1994	27.3 °C	1,256 mm	312
1993	40.4 °C4 April 1993	11.1 °C30 January 1993	26.8 °C	1,093 mm	290
1992	40.9 °C11 April 1992	12.3 °C17 January 1992	27.2 °C	1,296 mm	280
1991	41.0 °C19 April 1991	15.4 °C29 December 1991	27.4 °C	1,270 mm	304
1990	40.1 °C23 April 1990	14.3 °C5 December 1990	27.2 °C	1,432 mm	312
1989	41.4 °C23 April 1989	14.1 °C4 December 1989	26.9 °C	1,390 mm	284
1988	40.1 °C6 April 1988	13.7 °C20 January 1988	27.3 °C	1,249 mm	287
1987	39.4 °C24 March 1987	12.9 °C9 December 1987	27.6 °C	1,157 mm	300
1986	40.6 °C20 March 1986	12.0 °C2 March 1986	26.9 °C	1,304 mm	286
1985	40.5 °C13 April 1985	13.0 °C17 December 1985	26.9 °C	1,184 mm	303
1984	40.2 °C7 April 1984	10.7 °C10 January 1984	26.7 °C	1,247 mm	275
1983	41.8 °C10 April 1983	9.9 °C24 January 1983	27.4 °C	1,270 mm	286
1982	39.5 °C30 April 1982	8.4 °C30 December 1982	27.0 °C	1,394 mm	297
1981	39.5 °C6 April 1981	12.2 °C12 January 1981	27.0 °C	1,155 mm	292
1980	41.0 °C25 April 1980	13.5 °C24 December 1980	27.3 °C	1,661 mm	299
1979	39.8 °C8 April 1979	14.5 °C29 November 1979	27.4 °C	1,290 mm	316
1978	38.9 °C22 March 1978	13.7 °C23 January 1978	27.0 °C	1,689 mm	295
1977	39.9 °C7 June 1977	12.7 °C23 February 1977	27.0 °C	1,264 mm	295
1976	39.6 °C17 April 1976	9.9 °C16 January 1976	26.4 °C	1,537 mm	271
1975	39.9 °C14 April 1975	8.2 °C30 December 1975	26.6 °C	1,552 mm	276
1974	38.7 °C6 April 1974	9.4 °C2 January 1974	26.7 °C	1,338 mm	283
1973	39.8 °C10 April 1973	11.1 °C27 December 1973	27.2 °C	1,258 mm	290
1972	39.9 °C7 May 1972	12.4 °C15 January 1972	27.0 °C	1,334 mm	299
1971	38.2 °C1 April 1971	10.8 °C5 January 1971	26.0 °C	1,111 mm	256
1970	38.8 °C14 March 1970	13.2 °C20 January 1970	26.8 °C	1,128 mm	275
1969	39.8 °C22 April 1969	12.9 °C5 December 1969	27.0 °C	1,323 mm	265
1968	38.7 °C1 April 1968	11.7 °C5 January 1968	26.7 °C	1,198 mm	303
1967	39.0 °C31 March 1967	9.5 °C17 January 1967	26.2 °C	1,016 mm	236
1966	38.4 °C29 April 1966	13.6 °C1 January 1966	26.7 °C	1,638 mm	277
1965	39.4 °C1 May 1965	11.3 °C2 January 1965	26.7 °C	1,251 mm	297
1964	39.1 °C7 April 1964	11.3 °C19 December 1964	26.5 °C	1,417 mm	276
1963	39.8 °C17 May 1963	8.1 °C15 January 1963	26.1 °C	1,326 mm	267
1962	38.6 °C3 April 1962	9.7 °C28 January 1962	26.0 °C	1,593 mm	253
1961	40.0 °C24 March 1961	10.6 °C19 January 1961	26.7 °C	1,463 mm	285
1960	41.1 °C29 April 1960	9.6 °C3 January 1960	26.9 °C	1,418 mm	284
1959	39.1 °C13 June 1959	12.2 °C14 January 1959	27.0 °C	1,165 mm	295
1958	40.3 °C25 April 1958	12.8 °C6 January 1958	26.6 °C	1,359 mm	276
1957	39.6 °C15 May 1957	12.9 °C3 January 1957	26.7 °C	1,532 mm	284
1956	38.4 °C24 March 1956	9.9 °C31 December 1956	26.1 °C	1,367 mm	264
1955	40.6 °C18 April 1955	6.4 °C12 January 1955	26.2 °C	1,220 mm	285
1954	39.6 °C18 April 1954	10.4 °C17 December 1954	26.7 °C	877 mm	302
1953	36.2 °C21 March 1953	13.0 °C9 January 1953	26.1 °C	1,644 mm	278
1952	38.8 °C12 April 1952	11.2 °C10 December 1952	26.4 °C	1,554 mm	286
1951	39.2 °C10 April 1951	12.3 °C14 January 1951	26.7 °C	1,061 mm	274
1950	39.9 °C24 April 1950	12.9 °C20 December 1950	26.7 °C	1,078 mm	278
1949	38.2 °C15 June 1949	9.7 °C16 January 1949	26.7 °C	1,336 mm	276
1948	39.5 °C13 March 1948	11.3 °C2 January 1948	26.3 °C	1,427 mm	253
1947	38.4 °C6 March 1947	11.8 °C21 December 1947	26.9 °C	1,056 mm	305
1946	38.8 °C28 March 1946	11.3 °C8 January 1946	27.1 °C	680 mm	307
1945	36.9 °C22 March 1945	11.7 °C18 January 1945	25.9 °C	1,245 mm	280
1944	38.3 °C10 April 1944	10.9 °C21 December 1944	26.6 °C	1,082 mm	293
1943	37.8 °C25 March 1943	11.2 °C13 January 1943	25.6 °C	1,332 mm	238
1942	36.6 °C18 April 1942	12.6 °C17 December 1942	25.9 °C	1,195 mm	236
1941	37.7 °C1 March 1941	15.4 °C31 December 1941	26.4 °C	1,274 mm	233
1940	38.1 °C11 March 1940	12.7 °C1 January 1940	25.6 °C	1,333 mm	224

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

32.3 °C

+0.1 °C

Hot days (≥ 30 °C)

294 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1349 mm

+42 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.7 °C	-0.6 °C	0 mm	-7 mm
Feb	33.1 °C	+0.5 °C	2 mm	-13 mm
Mar	34.0 °C	-0.7 °C	31 mm	-14 mm
Apr	35.6 °C	+0.2 °C	61 mm	-18 mm
May	33.7 °C	-0.4 °C	194 mm	+27 mm
Jun	33.4 °C	0.0 °C	146 mm	-10 mm
Jul	32.4 °C	-0.3 °C	155 mm	-21 mm
Aug	32.9 °C	+0.9 °C	210 mm	-6 mm
Sep	31.5 °C	+0.3 °C	295 mm	+8 mm
Oct	31.6 °C	+0.8 °C	119 mm	-5 mm
Nov	29.3 °C	-1.0 °C	121 mm	+93 mm
Dec	30.4 °C	+1.0 °C	14 mm	+9 mm

The year's extremes

Hottest day

38.6 °C

25 Apr 2025

Coldest day

11.5 °C

13 Jan 2025

Wettest day

65.7 mm

7 Nov 2025

Windiest day

30.5 km/h

11 Jan 2025

Strongest gust

71.3 km/h

23 Jul 2025

Hottest feels-like

44.9 °C

25 Apr 2025

Coldest feels-like

9.0 °C

13 Jan 2025

Sunniest day

12.3 h

24 Jun 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 Kaset Wisai?

Kaset Wisai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.0 °C and it receives 1,307 mm of precipitation per year.

What is the hottest day ever recorded in Kaset Wisai?

The hottest day measured in Kaset Wisai between 1940 and 2025 was 27 April 2024, reaching 43.2 °C.

What is the coldest day in Kaset Wisai?

The coldest day measured in Kaset Wisai between 1940 and 2025 was 12 January 1955, at 6.4 °C.

Does it snow in Kaset Wisai?

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

Has the climate of Kaset Wisai warmed?

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

What is the wettest day in Kaset Wisai?

The wettest day measured in Kaset Wisai between 1940 and 2025 was 26 July 2017, with 186 mm of rain in 24 hours.

What was the windiest day in Kaset Wisai?

The windiest day measured in Kaset Wisai between 1940 and 2025 was 9 November 1992, with winds reaching 36.4 km/h.

What is the warmest month in Kaset Wisai?

The warmest month in Kaset Wisai is April (29.7 °C on average); the coldest is December (23.2 °C).

How much does it rain in Kaset Wisai?

Kaset Wisai receives on average 1,307 mm of precipitation per year, spread over about 157 rainy days.

Is it sunny in Kaset Wisai?

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

Are there tropical nights in Kaset Wisai?

Yes: Kaset Wisai has on average 290 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Kaset Wisai?

In Kaset Wisai, between 1940 and 2025, the highest apparent temperature reached 48.5 °C on 21 March 1953, and the lowest was 2.3 °C on 12 January 1955.

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