Surat Thani climate — normals and trends

Q: What is the climate of Surat Thani?

Surat Thani has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.2 °C and it receives 1,582 mm of precipitation per year.

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

The hottest day measured in Surat Thani between 1940 and 2025 was 5 June 2024, reaching 37.1 °C.

Q: What is the coldest day in Surat Thani?

The coldest day measured in Surat Thani between 1940 and 2025 was 2 January 1957, at 18.9 °C.

Q: Does it snow in Surat Thani?

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

Q: Has the climate of Surat Thani warmed?

Yes: Surat Thani warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Surat Thani?

The wettest day measured in Surat Thani between 1940 and 2025 was 25 November 2005, with 231 mm of rain in 24 hours.

Q: What was the windiest day in Surat Thani?

The windiest day measured in Surat Thani between 1940 and 2025 was 26 October 1962, with winds reaching 45.8 km/h.

Q: What is the warmest month in Surat Thani?

The warmest month in Surat Thani is April (28.6 °C on average); the coldest is December (26.1 °C).

Q: How much does it rain in Surat Thani?

Surat Thani receives on average 1,582 mm of precipitation per year, spread over about 224 rainy days.

Q: Is it sunny in Surat Thani?

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

Surat Thani (Thailand) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 27.2 °C and it receives 1,582 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 (28.6 °C on average) and the coldest is December (26.1 °C). Rainfall peaks in November.

Surat Thani averages 0 frost days, 208 hot days (≥ 30 °C) and 224 rainy days per year.

Surat Thani has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.1 °C (on 5 June 2024) and the coldest 18.9 °C (on 2 January 1957).

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

Surat ThaniSurat Thani

coords: 9.14°, 99.33°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthAprilColdest monthDecemberWettest monthNovemberDriest monthFebruary

Mean daily temperature

27.2°C

Average daily high

30.4°C

Average daily low

24.9°C

Annual rainfall

1,582mm

Sunshine / day

10.0h

Mean relative humidity

81%

Average peak wind

16.2km/h

Seasonal range

2.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

208 d/yr

Rainy days (≥ 1 mm)

224 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.4 °C

Average feels-like low

29.2 °C

Average peak gust

31.6 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

18.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.78 · 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

37.1 °C

5 June 2024

Coldest day

18.9 °C

2 January 1957

Wettest day

231 mm

25 November 2005

Windiest day

45.8 km/h

26 October 1962

Strongest gust

84.2 km/h

26 October 1962

Hottest feels-like

44.8 °C

28 April 2024

Coldest feels-like

19.9 °C

2 January 1957

Sunniest day

12.5 h

10 July 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.1 °C4 August 2025	21.6 °C2 February 2025	27.8 °C	1,768 mm	260
2024	37.1 °C5 June 2024	23.7 °C24 December 2024	28.8 °C	1,621 mm	302
2023	36.2 °C20 April 2023	22.1 °C17 January 2023	28.4 °C	1,509 mm	282
2022	35.0 °C28 April 2022	23.0 °C31 December 2022	27.6 °C	2,299 mm	257
2021	34.9 °C3 July 2021	21.6 °C26 February 2021	27.7 °C	1,810 mm	250
2020	35.5 °C5 April 2020	23.1 °C5 February 2020	28.1 °C	1,592 mm	286
2019	36.0 °C19 April 2019	23.1 °C17 February 2019	28.2 °C	1,272 mm	293
2018	34.9 °C30 August 2018	22.5 °C9 February 2018	27.8 °C	1,606 mm	271
2017	33.9 °C4 May 2017	21.5 °C8 February 2017	27.6 °C	2,091 mm	245
2016	36.8 °C11 May 2016	23.2 °C21 February 2016	28.0 °C	1,642 mm	270
2015	35.3 °C21 May 2015	22.2 °C12 February 2015	27.9 °C	1,429 mm	266
2014	35.5 °C27 June 2014	20.1 °C3 February 2014	27.9 °C	1,148 mm	266
2013	36.4 °C6 April 2013	23.5 °C23 December 2013	27.7 °C	1,523 mm	263
2012	35.9 °C26 July 2012	23.2 °C6 January 2012	27.9 °C	1,478 mm	276
2011	35.0 °C8 July 2011	21.7 °C21 January 2011	27.4 °C	2,369 mm	222
2010	36.3 °C9 May 2010	23.8 °C21 January 2010	28.2 °C	1,793 mm	284
2009	35.1 °C4 July 2009	21.7 °C1 February 2009	27.8 °C	1,165 mm	277
2008	35.0 °C17 April 2008	23.5 °C14 January 2008	27.6 °C	1,649 mm	254
2007	34.7 °C22 April 2007	22.1 °C2 January 2007	27.6 °C	1,878 mm	230
2006	34.0 °C29 April 2006	22.1 °C22 January 2006	27.6 °C	1,401 mm	239
2005	35.8 °C26 April 2005	22.0 °C25 January 2005	28.0 °C	1,530 mm	274
2004	34.9 °C27 April 2004	22.1 °C22 December 2004	27.9 °C	1,025 mm	257
2003	35.3 °C11 June 2003	23.1 °C17 December 2003	28.0 °C	1,503 mm	260
2002	35.9 °C27 July 2002	22.4 °C9 February 2002	28.0 °C	1,211 mm	280
2001	33.6 °C19 April 2001	22.7 °C4 January 2001	27.2 °C	1,797 mm	189
2000	33.5 °C21 March 2000	21.1 °C6 February 2000	27.1 °C	2,085 mm	192
1999	34.6 °C20 March 1999	21.0 °C26 December 1999	26.9 °C	2,173 mm	165
1998	36.0 °C21 April 1998	23.5 °C14 December 1998	28.2 °C	1,681 mm	272
1997	35.7 °C27 May 1997	20.4 °C15 January 1997	27.8 °C	1,138 mm	254
1996	34.8 °C19 April 1996	21.7 °C29 December 1996	27.2 °C	1,859 mm	221
1995	36.8 °C17 May 1995	21.9 °C14 December 1995	27.7 °C	1,344 mm	245
1994	34.9 °C11 April 1994	22.0 °C10 January 1994	27.4 °C	1,189 mm	207
1993	34.9 °C5 May 1993	22.0 °C23 February 1993	27.4 °C	1,443 mm	207
1992	35.4 °C12 April 1992	21.7 °C6 March 1992	27.6 °C	1,380 mm	228
1991	34.8 °C24 June 1991	23.1 °C16 February 1991	27.6 °C	1,346 mm	235
1990	35.8 °C21 April 1990	22.7 °C5 March 1990	28.1 °C	986 mm	278
1989	34.6 °C4 May 1989	21.1 °C16 February 1989	27.4 °C	1,088 mm	228
1988	34.0 °C25 June 1988	22.7 °C15 December 1988	27.3 °C	1,762 mm	212
1987	35.2 °C12 April 1987	22.1 °C24 February 1987	27.7 °C	1,333 mm	257
1986	34.5 °C19 March 1986	21.8 °C16 January 1986	27.1 °C	1,653 mm	177
1985	35.2 °C12 April 1985	21.8 °C19 December 1985	27.2 °C	1,308 mm	232
1984	34.2 °C6 April 1984	22.5 °C14 January 1984	27.1 °C	1,352 mm	197
1983	36.4 °C22 May 1983	22.1 °C6 February 1983	27.5 °C	1,202 mm	226
1982	34.4 °C25 March 1982	21.0 °C13 January 1982	27.1 °C	1,306 mm	199
1981	35.1 °C7 October 1981	21.1 °C18 February 1981	27.5 °C	1,349 mm	259
1980	35.8 °C3 May 1980	20.1 °C31 January 1980	27.5 °C	1,216 mm	242
1979	34.9 °C4 April 1979	22.3 °C9 January 1979	27.6 °C	1,172 mm	247
1978	33.5 °C25 March 1978	21.9 °C25 January 1978	27.1 °C	1,351 mm	189
1977	34.1 °C3 July 1977	22.0 °C13 January 1977	27.2 °C	1,426 mm	194
1976	34.4 °C14 April 1976	19.4 °C20 January 1976	26.7 °C	1,484 mm	185
1975	35.5 °C28 April 1975	21.9 °C9 February 1975	26.7 °C	1,831 mm	167
1974	33.9 °C17 July 1974	20.7 °C13 January 1974	26.7 °C	1,583 mm	200
1973	34.0 °C9 April 1973	21.5 °C5 March 1973	27.0 °C	1,756 mm	202
1972	35.2 °C21 May 1972	20.7 °C29 February 1972	26.9 °C	1,665 mm	211
1971	34.4 °C25 April 1971	21.2 °C16 January 1971	26.6 °C	1,756 mm	159
1970	34.0 °C20 April 1970	21.8 °C19 December 1970	26.9 °C	1,924 mm	203
1969	35.0 °C14 April 1969	22.0 °C26 January 1969	27.2 °C	1,450 mm	230
1968	33.9 °C29 March 1968	21.9 °C7 March 1968	26.9 °C	931 mm	216
1967	34.5 °C4 May 1967	20.9 °C10 February 1967	26.7 °C	1,294 mm	188
1966	32.7 °C30 April 1966	21.9 °C19 January 1966	26.4 °C	1,939 mm	125
1965	34.8 °C30 April 1965	20.7 °C9 January 1965	26.7 °C	1,789 mm	184
1964	33.8 °C9 April 1964	21.8 °C26 December 1964	26.9 °C	1,625 mm	201
1963	35.0 °C8 June 1963	20.9 °C17 January 1963	27.1 °C	1,445 mm	182
1962	34.1 °C17 April 1962	21.5 °C7 February 1962	26.9 °C	1,524 mm	185
1961	34.2 °C3 April 1961	20.9 °C5 February 1961	26.8 °C	1,501 mm	181
1960	34.0 °C24 April 1960	20.3 °C6 January 1960	26.8 °C	1,442 mm	184
1959	34.2 °C16 April 1959	22.4 °C20 December 1959	27.0 °C	1,729 mm	180
1958	34.7 °C9 May 1958	21.5 °C30 November 1958	27.3 °C	1,124 mm	219
1957	33.9 °C13 June 1957	18.9 °C2 January 1957	26.8 °C	1,223 mm	191
1956	33.6 °C24 March 1956	19.8 °C22 January 1956	26.4 °C	1,880 mm	148
1955	33.9 °C18 April 1955	21.6 °C30 November 1955	26.5 °C	1,897 mm	159
1954	34.5 °C16 April 1954	21.1 °C22 November 1954	26.5 °C	1,539 mm	161
1953	32.0 °C16 April 1953	21.7 °C10 January 1953	26.3 °C	2,560 mm	114
1952	32.5 °C9 April 1952	21.8 °C15 December 1952	26.6 °C	1,741 mm	168
1951	33.7 °C9 April 1951	21.9 °C11 February 1951	26.9 °C	1,283 mm	208
1950	32.1 °C21 March 1950	21.8 °C7 January 1950	26.5 °C	1,535 mm	151
1949	34.4 °C10 May 1949	21.1 °C13 February 1949	26.9 °C	956 mm	214
1948	32.8 °C11 March 1948	21.1 °C4 December 1948	26.3 °C	1,642 mm	107
1947	32.1 °C11 June 1947	21.2 °C27 December 1947	26.1 °C	2,148 mm	67
1946	31.8 °C4 March 1946	20.3 °C25 January 1946	26.1 °C	1,818 mm	98
1945	32.3 °C2 April 1945	21.7 °C25 December 1945	25.7 °C	2,490 mm	38
1944	34.8 °C16 June 1944	20.6 °C29 January 1944	26.3 °C	1,825 mm	151
1943	32.0 °C20 March 1943	21.7 °C16 February 1943	25.8 °C	1,876 mm	82
1942	32.1 °C23 April 1942	21.2 °C20 February 1942	26.2 °C	1,410 mm	131
1941	32.3 °C5 March 1941	20.5 °C28 December 1941	26.0 °C	2,227 mm	70
1940	32.6 °C11 March 1940	20.1 °C7 January 1940	25.9 °C	1,958 mm	90

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

31.0 °C

+0.6 °C

Hot days (≥ 30 °C)

260 d/yr

+52

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1768 mm

+186 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.1 °C	+0.2 °C	47 mm	-16 mm
Feb	30.7 °C	+0.3 °C	118 mm	+78 mm
Mar	32.3 °C	+0.6 °C	60 mm	-7 mm
Apr	32.2 °C	0.0 °C	234 mm	+124 mm
May	31.8 °C	+0.1 °C	198 mm	+61 mm
Jun	31.5 °C	+0.2 °C	101 mm	+9 mm
Jul	32.2 °C	+1.2 °C	77 mm	-23 mm
Aug	32.2 °C	+1.4 °C	99 mm	-12 mm
Sep	31.3 °C	+1.1 °C	171 mm	+6 mm
Oct	30.4 °C	+1.1 °C	298 mm	+35 mm
Nov	29.3 °C	+0.7 °C	239 mm	-43 mm
Dec	29.1 °C	+0.8 °C	125 mm	-27 mm

The year's extremes

Hottest day

35.1 °C

4 Aug 2025

Coldest day

21.6 °C

2 Feb 2025

Wettest day

52.5 mm

19 Nov 2025

Windiest day

33.8 km/h

12 Jan 2025

Strongest gust

56.2 km/h

12 Jan 2025

Hottest feels-like

42.6 °C

1 Aug 2025

Coldest feels-like

24.0 °C

2 Feb 2025

Sunniest day

12.5 h

10 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 Surat Thani?

Surat Thani has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.2 °C and it receives 1,582 mm of precipitation per year.

What is the hottest day ever recorded in Surat Thani?

The hottest day measured in Surat Thani between 1940 and 2025 was 5 June 2024, reaching 37.1 °C.

What is the coldest day in Surat Thani?

The coldest day measured in Surat Thani between 1940 and 2025 was 2 January 1957, at 18.9 °C.

Does it snow in Surat Thani?

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

Has the climate of Surat Thani warmed?

Yes: Surat Thani warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Surat Thani?

The wettest day measured in Surat Thani between 1940 and 2025 was 25 November 2005, with 231 mm of rain in 24 hours.

What was the windiest day in Surat Thani?

The windiest day measured in Surat Thani between 1940 and 2025 was 26 October 1962, with winds reaching 45.8 km/h.

What is the warmest month in Surat Thani?

The warmest month in Surat Thani is April (28.6 °C on average); the coldest is December (26.1 °C).

How much does it rain in Surat Thani?

Surat Thani receives on average 1,582 mm of precipitation per year, spread over about 224 rainy days.

Is it sunny in Surat Thani?

Surat 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 Surat Thani?

Yes: Surat Thani has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Surat Thani?

In Surat Thani, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 28 April 2024, and the lowest was 19.9 °C on 2 January 1957.

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