Sawankhalok climate — normals and trends

Q: What is the climate of Sawankhalok?

Sawankhalok has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.0 °C and it receives 1,312 mm of precipitation per year.

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

The hottest day measured in Sawankhalok between 1940 and 2025 was 11 May 2016, reaching 45.6 °C.

Q: What is the coldest day in Sawankhalok?

The coldest day measured in Sawankhalok between 1940 and 2025 was 5 January 1974, at 6.9 °C.

Q: Does it snow in Sawankhalok?

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

Q: Has the climate of Sawankhalok warmed?

Yes: Sawankhalok warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Sawankhalok?

The wettest day measured in Sawankhalok between 1940 and 2025 was 17 May 2017, with 168 mm of rain in 24 hours.

Q: What was the windiest day in Sawankhalok?

The windiest day measured in Sawankhalok between 1940 and 2025 was 31 March 1976, with winds reaching 26.2 km/h.

Q: What is the warmest month in Sawankhalok?

The warmest month in Sawankhalok is April (31.8 °C on average); the coldest is December (24.1 °C).

Q: How much does it rain in Sawankhalok?

Sawankhalok receives on average 1,312 mm of precipitation per year, spread over about 147 rainy days.

Q: Is it sunny in Sawankhalok?

Sawankhalok gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Sawankhalok (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.0 °C and it receives 1,312 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 (31.8 °C on average) and the coldest is December (24.1 °C). Rainfall peaks in September.

Sawankhalok averages 0 frost days, 323 hot days (≥ 30 °C) and 147 rainy days per year.

Sawankhalok has warmed by +2.4 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.

The hottest day of the period reached 45.6 °C (on 11 May 2016) and the coldest 6.9 °C (on 5 January 1974).

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

SawankhalokSukhothai

coords: 17.32°, 99.83°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

28.0°C

Average daily high

33.6°C

Average daily low

23.6°C

Annual rainfall

1,312mm

Sunshine / day

9.7h

Mean relative humidity

70%

Average peak wind

9.9km/h

Seasonal range

7.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

323 d/yr

Rainy days (≥ 1 mm)

147 d/yr

Annual snowfall

0.0 cm

Average feels-like high

38.1 °C

Average feels-like low

27.4 °C

Average peak gust

26.3 km/h

Tropical nights (≥ 20 °C)

305 d/yr

Solar radiation

18.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.4 °C

since 1940

+0.3 °C per decade · r² = 0.72 · 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

45.6 °C

11 May 2016

Coldest day

6.9 °C

5 January 1974

Wettest day

168 mm

17 May 2017

Windiest day

26.2 km/h

31 March 1976

Strongest gust

71.3 km/h

22 October 1952

Hottest feels-like

49.3 °C

11 May 2016

Coldest feels-like

4.6 °C

5 January 1974

Sunniest day

12.9 h

28 June 2024

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	42.0 °C25 April 2025	12.6 °C14 January 2025	28.6 °C	1,288 mm	336
2024	43.9 °C29 April 2024	16.8 °C24 December 2024	29.5 °C	1,249 mm	347
2023	43.8 °C7 May 2023	14.1 °C31 January 2023	29.6 °C	1,052 mm	350
2022	41.4 °C27 April 2022	15.7 °C20 December 2022	28.7 °C	1,451 mm	345
2021	41.1 °C20 March 2021	14.2 °C3 January 2021	28.9 °C	1,372 mm	343
2020	43.6 °C21 April 2020	14.9 °C27 January 2020	29.7 °C	1,025 mm	351
2019	44.2 °C20 April 2019	12.0 °C9 December 2019	29.5 °C	1,325 mm	351
2018	40.7 °C14 April 2018	16.6 °C15 January 2018	28.8 °C	1,164 mm	346
2017	41.3 °C3 May 2017	12.7 °C21 December 2017	28.7 °C	1,522 mm	340
2016	45.6 °C11 May 2016	11.8 °C9 February 2016	29.5 °C	1,169 mm	350
2015	42.6 °C7 May 2015	14.4 °C3 January 2015	29.3 °C	1,102 mm	343
2014	42.7 °C23 April 2014	10.5 °C24 January 2014	28.5 °C	1,179 mm	341
2013	42.0 °C30 April 2013	12.8 °C22 December 2013	28.4 °C	1,526 mm	324
2012	42.1 °C26 April 2012	14.1 °C17 January 2012	28.9 °C	1,247 mm	352
2011	38.0 °C7 March 2011	15.1 °C27 December 2011	27.5 °C	1,629 mm	321
2010	43.4 °C9 May 2010	16.3 °C30 December 2010	29.3 °C	1,427 mm	344
2009	41.5 °C24 April 2009	10.9 °C14 January 2009	28.4 °C	1,303 mm	345
2008	41.3 °C17 April 2008	13.6 °C4 January 2008	28.4 °C	1,287 mm	331
2007	43.6 °C24 April 2007	12.3 °C3 February 2007	28.6 °C	1,489 mm	343
2006	42.5 °C10 April 2006	11.7 °C23 December 2006	28.6 °C	1,439 mm	341
2005	43.0 °C31 March 2005	13.7 °C20 December 2005	29.1 °C	1,283 mm	339
2004	43.7 °C13 April 2004	14.7 °C21 December 2004	28.8 °C	1,010 mm	356
2003	42.7 °C7 May 2003	14.0 °C22 December 2003	28.6 °C	1,052 mm	346
2002	42.5 °C17 April 2002	14.5 °C9 January 2002	28.5 °C	1,435 mm	334
2001	40.8 °C28 April 2001	14.2 °C22 November 2001	28.0 °C	1,745 mm	322
2000	41.8 °C5 April 2000	13.8 °C3 February 2000	27.7 °C	1,522 mm	339
1999	41.6 °C13 March 1999	7.3 °C25 December 1999	28.1 °C	1,491 mm	326
1998	43.8 °C14 April 1998	15.4 °C15 January 1998	29.8 °C	907 mm	353
1997	42.7 °C15 May 1997	14.5 °C10 February 1997	28.8 °C	988 mm	353
1996	41.1 °C9 April 1996	11.2 °C2 January 1996	27.8 °C	1,508 mm	332
1995	43.7 °C23 April 1995	11.9 °C31 December 1995	28.3 °C	1,420 mm	331
1994	42.2 °C24 April 1994	14.4 °C1 January 1994	28.3 °C	1,700 mm	342
1993	43.1 °C5 May 1993	10.2 °C27 December 1993	28.3 °C	998 mm	335
1992	44.4 °C21 April 1992	12.4 °C3 December 1992	28.3 °C	1,244 mm	326
1991	44.0 °C17 April 1991	16.2 °C9 December 1991	28.8 °C	1,200 mm	354
1990	43.5 °C23 April 1990	14.6 °C6 December 1990	28.7 °C	1,260 mm	348
1989	42.9 °C20 April 1989	13.5 °C3 December 1989	28.6 °C	1,037 mm	350
1988	43.4 °C6 April 1988	13.9 °C15 December 1988	28.4 °C	1,465 mm	334
1987	43.5 °C14 April 1987	12.4 °C9 December 1987	29.0 °C	1,280 mm	328
1986	41.7 °C27 March 1986	11.3 °C9 January 1986	28.1 °C	1,229 mm	333
1985	43.1 °C13 April 1985	12.6 °C25 December 1985	28.3 °C	1,208 mm	334
1984	42.4 °C5 April 1984	13.4 °C10 January 1984	28.1 °C	1,185 mm	335
1983	44.7 °C14 April 1983	12.2 °C1 December 1983	28.7 °C	1,253 mm	317
1982	41.4 °C12 May 1982	12.3 °C23 December 1982	27.9 °C	1,100 mm	330
1981	42.4 °C6 April 1981	13.7 °C21 January 1981	28.0 °C	1,292 mm	318
1980	43.9 °C30 April 1980	15.5 °C30 January 1980	28.6 °C	1,420 mm	348
1979	42.8 °C6 May 1979	14.9 °C28 December 1979	28.2 °C	1,366 mm	328
1978	42.7 °C5 May 1978	12.3 °C16 December 1978	28.2 °C	1,475 mm	336
1977	42.6 °C18 April 1977	14.6 °C11 December 1977	28.0 °C	1,274 mm	332
1976	42.4 °C31 March 1976	8.0 °C1 January 1976	27.2 °C	1,699 mm	313
1975	43.3 °C29 April 1975	7.8 °C31 December 1975	27.3 °C	1,652 mm	310
1974	40.5 °C20 April 1974	6.9 °C5 January 1974	27.3 °C	1,450 mm	316
1973	42.5 °C25 April 1973	8.3 °C27 December 1973	27.6 °C	1,469 mm	333
1972	42.2 °C5 May 1972	11.8 °C17 January 1972	28.0 °C	1,249 mm	323
1971	42.0 °C26 April 1971	9.7 °C10 January 1971	27.0 °C	1,407 mm	296
1970	41.4 °C13 May 1970	16.0 °C1 February 1970	27.7 °C	1,642 mm	322
1969	43.8 °C5 May 1969	13.5 °C12 December 1969	28.3 °C	1,295 mm	321
1968	41.2 °C21 March 1968	13.8 °C3 February 1968	28.2 °C	1,065 mm	357
1967	40.5 °C11 April 1967	10.6 °C19 January 1967	27.7 °C	1,022 mm	332
1966	41.4 °C26 April 1966	13.6 °C3 January 1966	27.6 °C	1,291 mm	288
1965	42.7 °C30 April 1965	12.3 °C21 January 1965	27.6 °C	1,641 mm	332
1964	41.9 °C6 April 1964	11.4 °C21 December 1964	27.5 °C	1,241 mm	316
1963	44.0 °C16 May 1963	8.5 °C28 January 1963	27.5 °C	1,347 mm	298
1962	42.3 °C13 April 1962	11.0 °C7 December 1962	27.6 °C	1,245 mm	313
1961	42.1 °C25 April 1961	8.6 °C19 January 1961	27.5 °C	1,290 mm	314
1960	43.7 °C28 April 1960	12.6 °C3 January 1960	28.0 °C	1,394 mm	314
1959	42.8 °C11 April 1959	14.0 °C1 January 1959	27.9 °C	1,303 mm	338
1958	42.3 °C25 April 1958	12.8 °C13 December 1958	27.7 °C	969 mm	303
1957	41.2 °C13 May 1957	12.7 °C5 February 1957	27.5 °C	1,742 mm	331
1956	40.5 °C11 April 1956	11.9 °C29 November 1956	27.0 °C	1,365 mm	313
1955	40.8 °C18 April 1955	8.4 °C12 January 1955	26.9 °C	1,133 mm	317
1954	39.6 °C18 April 1954	12.2 °C18 December 1954	27.1 °C	1,059 mm	332
1953	37.0 °C15 April 1953	12.8 °C13 December 1953	25.9 °C	2,113 mm	239
1952	39.0 °C1 May 1952	12.6 °C15 December 1952	26.9 °C	1,685 mm	293
1951	40.6 °C7 April 1951	14.8 °C2 January 1951	27.2 °C	1,159 mm	280
1950	42.2 °C24 April 1950	13.5 °C5 January 1950	27.3 °C	1,089 mm	289
1949	38.4 °C26 February 1949	11.5 °C17 January 1949	27.0 °C	1,022 mm	315
1948	39.4 °C22 March 1948	11.0 °C3 January 1948	26.8 °C	1,274 mm	298
1947	39.4 °C8 May 1947	12.1 °C31 December 1947	27.4 °C	1,001 mm	316
1946	40.3 °C12 March 1946	12.0 °C9 January 1946	26.9 °C	1,067 mm	303
1945	40.1 °C1 April 1945	14.4 °C24 December 1945	26.8 °C	1,595 mm	283
1944	41.3 °C4 May 1944	11.3 °C22 December 1944	27.1 °C	1,296 mm	269
1943	40.0 °C7 April 1943	13.5 °C24 January 1943	26.7 °C	1,180 mm	286
1942	39.4 °C25 April 1942	13.4 °C7 December 1942	26.3 °C	1,374 mm	209
1941	40.8 °C4 April 1941	16.5 °C27 January 1941	26.9 °C	1,217 mm	241
1940	38.6 °C10 March 1940	11.2 °C1 January 1940	26.3 °C	1,174 mm	230

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

33.9 °C

+0.3 °C

Hot days (≥ 30 °C)

336 d/yr

+13

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1288 mm

-24 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.1 °C	-0.6 °C	0 mm	-13 mm
Feb	34.4 °C	-0.1 °C	18 mm	+6 mm
Mar	37.7 °C	+0.6 °C	3 mm	-31 mm
Apr	38.4 °C	+0.2 °C	60 mm	-2 mm
May	35.3 °C	-0.5 °C	238 mm	+40 mm
Jun	34.1 °C	+0.5 °C	175 mm	-12 mm
Jul	32.5 °C	-0.5 °C	209 mm	+39 mm
Aug	34.3 °C	+1.8 °C	154 mm	-54 mm
Sep	33.3 °C	+0.8 °C	242 mm	-2 mm
Oct	34.0 °C	+1.7 °C	60 mm	-80 mm
Nov	30.6 °C	-1.1 °C	106 mm	+70 mm
Dec	31.5 °C	+0.8 °C	24 mm	+15 mm

The year's extremes

Hottest day

42.0 °C

25 Apr 2025

Coldest day

12.6 °C

14 Jan 2025

Wettest day

54.6 mm

31 Aug 2025

Windiest day

18.9 km/h

13 Mar 2025

Strongest gust

53.3 km/h

24 Jul 2025

Hottest feels-like

46.5 °C

9 Apr 2025

Coldest feels-like

12.2 °C

13 Jan 2025

Sunniest day

12.8 h

6 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 Sawankhalok?

Sawankhalok has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.0 °C and it receives 1,312 mm of precipitation per year.

What is the hottest day ever recorded in Sawankhalok?

The hottest day measured in Sawankhalok between 1940 and 2025 was 11 May 2016, reaching 45.6 °C.

What is the coldest day in Sawankhalok?

The coldest day measured in Sawankhalok between 1940 and 2025 was 5 January 1974, at 6.9 °C.

Does it snow in Sawankhalok?

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

Has the climate of Sawankhalok warmed?

Yes: Sawankhalok warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Sawankhalok?

The wettest day measured in Sawankhalok between 1940 and 2025 was 17 May 2017, with 168 mm of rain in 24 hours.

What was the windiest day in Sawankhalok?

The windiest day measured in Sawankhalok between 1940 and 2025 was 31 March 1976, with winds reaching 26.2 km/h.

What is the warmest month in Sawankhalok?

The warmest month in Sawankhalok is April (31.8 °C on average); the coldest is December (24.1 °C).

How much does it rain in Sawankhalok?

Sawankhalok receives on average 1,312 mm of precipitation per year, spread over about 147 rainy days.

Is it sunny in Sawankhalok?

Sawankhalok gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Are there tropical nights in Sawankhalok?

Yes: Sawankhalok has on average 305 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Sawankhalok?

In Sawankhalok, between 1940 and 2025, the highest apparent temperature reached 49.3 °C on 11 May 2016, and the lowest was 4.6 °C on 5 January 1974.

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