Uthai Thani climate — normals and trends

Q: What is the climate of Uthai Thani?

Uthai Thani has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.2 °C and it receives 1,287 mm of precipitation per year.

Q: What is the hottest day ever recorded in Uthai Thani?

The hottest day measured in Uthai Thani between 1940 and 2025 was 21 April 1992, reaching 43.5 °C.

Q: What is the coldest day in Uthai Thani?

The coldest day measured in Uthai Thani between 1940 and 2025 was 25 December 1999, at 8.2 °C.

Q: Does it snow in Uthai Thani?

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

Q: Has the climate of Uthai Thani warmed?

Yes: Uthai Thani warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Uthai Thani?

The wettest day measured in Uthai Thani between 1940 and 2025 was 21 October 1944, with 115 mm of rain in 24 hours.

Q: What was the windiest day in Uthai Thani?

The windiest day measured in Uthai Thani between 1940 and 2025 was 10 May 1986, with winds reaching 30.8 km/h.

Q: What is the warmest month in Uthai Thani?

The warmest month in Uthai Thani is April (31.3 °C on average); the coldest is December (24.6 °C).

Q: How much does it rain in Uthai Thani?

Uthai Thani receives on average 1,287 mm of precipitation per year, spread over about 171 rainy days.

Q: Is it sunny in Uthai Thani?

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

Uthai Thani (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.2 °C and it receives 1,287 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 (31.3 °C on average) and the coldest is December (24.6 °C). Rainfall peaks in September.

Uthai Thani averages 0 frost days, 325 hot days (≥ 30 °C) and 171 rainy days per year.

Uthai Thani has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.

The hottest day of the period reached 43.5 °C (on 21 April 1992) and the coldest 8.2 °C (on 25 December 1999).

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

Uthai ThaniUthai Thani

coords: 15.38°, 100.02°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

28.2°C

Average daily high

33.6°C

Average daily low

24.1°C

Annual rainfall

1,287mm

Sunshine / day

10.0h

Mean relative humidity

70%

Average peak wind

11.3km/h

Seasonal range

6.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

325 d/yr

Rainy days (≥ 1 mm)

171 d/yr

Annual snowfall

0.0 cm

Average feels-like high

38.1 °C

Average feels-like low

27.8 °C

Average peak gust

28.1 km/h

Tropical nights (≥ 20 °C)

324 d/yr

Solar radiation

18.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.66 · 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

43.5 °C

21 April 1992

Coldest day

8.2 °C

25 December 1999

Wettest day

115 mm

21 October 1944

Windiest day

30.8 km/h

10 May 1986

Strongest gust

69.8 km/h

19 October 1983

Hottest feels-like

49.2 °C

26 April 2016

Coldest feels-like

6.3 °C

12 January 1955

Sunniest day

12.9 h

6 July 1947

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	40.4 °C25 April 2025	14.5 °C14 January 2025	28.6 °C	1,535 mm	331
2024	43.5 °C27 April 2024	17.0 °C21 December 2024	29.7 °C	1,210 mm	353
2023	42.2 °C7 May 2023	14.8 °C31 January 2023	29.4 °C	1,122 mm	345
2022	40.3 °C27 April 2022	16.7 °C20 December 2022	28.5 °C	1,521 mm	335
2021	39.9 °C5 July 2021	14.5 °C20 January 2021	28.7 °C	1,520 mm	334
2020	42.6 °C21 April 2020	16.9 °C23 December 2020	29.6 °C	1,192 mm	339
2019	42.3 °C1 May 2019	14.3 °C7 December 2019	29.4 °C	1,159 mm	351
2018	39.9 °C15 April 2018	17.0 °C14 January 2018	28.7 °C	1,188 mm	342
2017	40.3 °C24 April 2017	12.7 °C21 December 2017	28.7 °C	1,471 mm	341
2016	43.3 °C13 May 2016	11.1 °C9 February 2016	29.4 °C	1,189 mm	342
2015	41.6 °C11 July 2015	15.3 °C3 January 2015	29.3 °C	1,049 mm	343
2014	40.3 °C22 April 2014	11.2 °C24 January 2014	28.8 °C	1,027 mm	344
2013	41.0 °C16 May 2013	13.7 °C29 December 2013	28.6 °C	1,287 mm	331
2012	40.4 °C26 April 2012	19.1 °C10 January 2012	29.1 °C	1,247 mm	360
2011	37.9 °C18 April 2011	16.2 °C18 March 2011	27.8 °C	1,585 mm	322
2010	41.9 °C9 May 2010	16.9 °C30 December 2010	29.3 °C	1,207 mm	340
2009	40.5 °C23 April 2009	12.9 °C12 January 2009	28.4 °C	1,309 mm	339
2008	39.1 °C10 April 2008	14.3 °C3 January 2008	28.2 °C	1,480 mm	324
2007	41.7 °C1 April 2007	13.7 °C4 February 2007	28.9 °C	1,511 mm	336
2006	40.3 °C13 March 2006	13.1 °C23 December 2006	29.0 °C	1,279 mm	345
2005	41.4 °C28 April 2005	14.3 °C2 January 2005	29.4 °C	1,157 mm	339
2004	42.6 °C15 April 2004	16.3 °C9 December 2004	29.2 °C	873 mm	355
2003	40.6 °C7 May 2003	15.2 °C22 December 2003	28.6 °C	1,231 mm	351
2002	40.9 °C5 April 2002	16.1 °C4 January 2002	29.2 °C	1,288 mm	346
2001	42.1 °C23 April 2001	15.8 °C27 November 2001	28.9 °C	1,217 mm	331
2000	40.5 °C4 April 2000	14.4 °C3 February 2000	28.0 °C	1,480 mm	337
1999	40.2 °C17 March 1999	8.2 °C25 December 1999	28.1 °C	1,640 mm	318
1998	42.8 °C16 April 1998	16.7 °C13 December 1998	29.7 °C	1,071 mm	347
1997	40.6 °C14 June 1997	15.8 °C13 January 1997	29.1 °C	1,020 mm	353
1996	40.3 °C22 March 1996	11.4 °C2 January 1996	28.0 °C	1,588 mm	326
1995	42.9 °C23 April 1995	13.1 °C31 December 1995	28.7 °C	1,420 mm	331
1994	41.6 °C12 April 1994	15.3 °C27 December 1994	28.4 °C	1,389 mm	342
1993	41.7 °C4 May 1993	11.7 °C28 December 1993	28.6 °C	919 mm	341
1992	43.5 °C21 April 1992	13.1 °C2 December 1992	28.6 °C	1,247 mm	320
1991	42.0 °C3 May 1991	16.8 °C21 November 1991	28.8 °C	1,194 mm	350
1990	41.9 °C23 April 1990	14.6 °C6 December 1990	29.0 °C	1,160 mm	347
1989	40.9 °C19 April 1989	14.6 °C4 December 1989	28.6 °C	1,166 mm	339
1988	40.7 °C5 April 1988	14.7 °C14 December 1988	28.4 °C	1,445 mm	322
1987	41.4 °C26 April 1987	13.0 °C21 December 1987	29.0 °C	1,096 mm	328
1986	40.4 °C3 April 1986	12.2 °C8 January 1986	28.2 °C	1,119 mm	332
1985	41.4 °C13 April 1985	13.8 °C18 December 1985	28.1 °C	1,239 mm	332
1984	40.5 °C9 April 1984	12.6 °C10 January 1984	28.0 °C	1,064 mm	334
1983	43.4 °C14 April 1983	13.4 °C27 January 1983	28.8 °C	1,309 mm	308
1982	41.0 °C3 May 1982	11.2 °C21 December 1982	28.5 °C	1,006 mm	337
1981	40.5 °C6 April 1981	13.7 °C14 January 1981	28.1 °C	1,107 mm	324
1980	43.2 °C2 May 1980	15.6 °C25 December 1980	28.8 °C	1,222 mm	343
1979	40.6 °C14 May 1979	15.0 °C28 December 1979	28.7 °C	1,199 mm	346
1978	41.9 °C30 April 1978	13.2 °C16 December 1978	28.6 °C	1,358 mm	331
1977	41.2 °C18 April 1977	15.1 °C18 November 1977	28.2 °C	1,077 mm	332
1976	42.2 °C17 April 1976	9.4 °C1 January 1976	27.5 °C	1,795 mm	312
1975	41.6 °C29 April 1975	8.7 °C31 December 1975	27.6 °C	1,560 mm	310
1974	41.1 °C21 April 1974	9.6 °C2 January 1974	27.8 °C	1,558 mm	316
1973	41.8 °C17 April 1973	9.5 °C27 December 1973	28.2 °C	1,252 mm	322
1972	43.2 °C5 May 1972	12.6 °C16 January 1972	28.4 °C	1,714 mm	327
1971	41.3 °C8 April 1971	12.0 °C10 January 1971	27.6 °C	1,268 mm	309
1970	41.6 °C9 May 1970	16.1 °C4 January 1970	28.2 °C	1,319 mm	331
1969	42.1 °C22 April 1969	13.0 °C6 December 1969	28.6 °C	1,255 mm	316
1968	42.2 °C3 April 1968	13.7 °C6 January 1968	28.4 °C	1,128 mm	355
1967	41.4 °C31 March 1967	12.5 °C17 January 1967	27.8 °C	1,123 mm	325
1966	39.7 °C3 May 1966	14.7 °C2 January 1966	27.5 °C	1,539 mm	283
1965	40.7 °C29 April 1965	12.4 °C19 January 1965	27.9 °C	1,414 mm	337
1964	41.1 °C7 April 1964	12.2 °C21 December 1964	27.6 °C	1,411 mm	301
1963	42.7 °C16 May 1963	10.3 °C16 January 1963	27.7 °C	1,399 mm	301
1962	41.4 °C15 April 1962	11.8 °C6 December 1962	27.8 °C	1,133 mm	312
1961	39.8 °C14 April 1961	9.9 °C19 January 1961	27.7 °C	1,200 mm	329
1960	42.5 °C28 April 1960	11.6 °C4 January 1960	28.6 °C	1,069 mm	332
1959	40.6 °C18 June 1959	14.9 °C14 January 1959	28.2 °C	1,074 mm	334
1958	40.9 °C25 April 1958	14.5 °C16 December 1958	28.0 °C	1,044 mm	303
1957	40.8 °C15 May 1957	12.4 °C6 February 1957	27.7 °C	1,466 mm	331
1956	40.2 °C26 March 1956	13.0 °C28 November 1956	27.2 °C	1,306 mm	301
1955	40.0 °C18 April 1955	9.5 °C12 January 1955	27.0 °C	1,376 mm	303
1954	40.2 °C18 April 1954	12.3 °C17 December 1954	27.5 °C	1,060 mm	327
1953	36.9 °C15 April 1953	13.2 °C13 December 1953	26.1 °C	2,221 mm	246
1952	39.9 °C6 May 1952	13.1 °C12 December 1952	27.3 °C	1,542 mm	300
1951	40.7 °C8 April 1951	14.6 °C2 January 1951	27.7 °C	1,058 mm	303
1950	40.2 °C24 April 1950	12.6 °C2 January 1950	27.4 °C	1,417 mm	300
1949	38.4 °C14 May 1949	12.5 °C18 January 1949	27.5 °C	970 mm	321
1948	38.9 °C22 March 1948	12.4 °C3 January 1948	27.2 °C	1,371 mm	298
1947	38.9 °C7 March 1947	13.9 °C31 December 1947	27.9 °C	1,069 mm	335
1946	40.0 °C28 March 1946	13.5 °C9 January 1946	27.5 °C	992 mm	321
1945	38.8 °C1 April 1945	13.8 °C19 January 1945	27.0 °C	1,236 mm	308
1944	41.2 °C4 May 1944	13.3 °C22 December 1944	27.3 °C	1,503 mm	295
1943	38.9 °C5 April 1943	13.6 °C24 January 1943	26.6 °C	1,290 mm	275
1942	38.1 °C25 April 1942	13.2 °C16 December 1942	26.6 °C	1,383 mm	261
1941	39.5 °C26 April 1941	16.3 °C24 January 1941	27.1 °C	1,285 mm	261
1940	38.5 °C11 March 1940	11.2 °C1 January 1940	26.6 °C	1,468 mm	253

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

33.8 °C

+0.2 °C

Hot days (≥ 30 °C)

331 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1535 mm

+248 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.4 °C	-0.6 °C	0 mm	-11 mm
Feb	34.3 °C	-0.2 °C	34 mm	+17 mm
Mar	36.9 °C	+0.3 °C	21 mm	-21 mm
Apr	37.6 °C	+0.2 °C	81 mm	+8 mm
May	34.8 °C	-0.8 °C	267 mm	+114 mm
Jun	35.1 °C	+0.6 °C	134 mm	-8 mm
Jul	33.8 °C	-0.1 °C	141 mm	-4 mm
Aug	34.8 °C	+1.5 °C	192 mm	+13 mm
Sep	33.0 °C	+0.5 °C	323 mm	+42 mm
Oct	32.6 °C	+0.9 °C	159 mm	-29 mm
Nov	30.0 °C	-1.1 °C	174 mm	+127 mm
Dec	31.0 °C	+0.4 °C	9 mm	+1 mm

The year's extremes

Hottest day

40.4 °C

25 Apr 2025

Coldest day

14.5 °C

14 Jan 2025

Wettest day

54.2 mm

2 Nov 2025

Windiest day

22.7 km/h

27 Jan 2025

Strongest gust

53.6 km/h

24 Jul 2025

Hottest feels-like

47.3 °C

25 Apr 2025

Coldest feels-like

14.6 °C

14 Jan 2025

Sunniest day

12.8 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 Uthai Thani?

Uthai Thani has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.2 °C and it receives 1,287 mm of precipitation per year.

What is the hottest day ever recorded in Uthai Thani?

The hottest day measured in Uthai Thani between 1940 and 2025 was 21 April 1992, reaching 43.5 °C.

What is the coldest day in Uthai Thani?

The coldest day measured in Uthai Thani between 1940 and 2025 was 25 December 1999, at 8.2 °C.

Does it snow in Uthai Thani?

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

Has the climate of Uthai Thani warmed?

Yes: Uthai Thani warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Uthai Thani?

The wettest day measured in Uthai Thani between 1940 and 2025 was 21 October 1944, with 115 mm of rain in 24 hours.

What was the windiest day in Uthai Thani?

The windiest day measured in Uthai Thani between 1940 and 2025 was 10 May 1986, with winds reaching 30.8 km/h.

What is the warmest month in Uthai Thani?

The warmest month in Uthai Thani is April (31.3 °C on average); the coldest is December (24.6 °C).

How much does it rain in Uthai Thani?

Uthai Thani receives on average 1,287 mm of precipitation per year, spread over about 171 rainy days.

Is it sunny in Uthai Thani?

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

Are there tropical nights in Uthai Thani?

Yes: Uthai Thani has on average 324 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Uthai Thani?

In Uthai Thani, between 1940 and 2025, the highest apparent temperature reached 49.2 °C on 26 April 2016, and the lowest was 6.3 °C on 12 January 1955.

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