Surin climate — normals and trends

Q: What is the climate of Surin?

Surin has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 1,211 mm of precipitation per year.

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

The hottest day measured in Surin between 1940 and 2025 was 14 April 1998, reaching 42.8 °C.

Q: What is the coldest day in Surin?

The coldest day measured in Surin between 1940 and 2025 was 12 January 1955, at 7.3 °C.

Q: Does it snow in Surin?

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

Q: Has the climate of Surin warmed?

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

Q: What is the wettest day in Surin?

The wettest day measured in Surin between 1940 and 2025 was 10 August 2001, with 163 mm of rain in 24 hours.

Q: What was the windiest day in Surin?

The windiest day measured in Surin between 1940 and 2025 was 9 November 1992, with winds reaching 37.7 km/h.

Q: What is the warmest month in Surin?

The warmest month in Surin is April (29.8 °C on average); the coldest is December (23.6 °C).

Q: How much does it rain in Surin?

Surin receives on average 1,211 mm of precipitation per year, spread over about 160 rainy days.

Q: Is it sunny in Surin?

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

Surin (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 1,211 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 (29.8 °C on average) and the coldest is December (23.6 °C). Rainfall peaks in September.

Surin averages 0 frost days, 296 hot days (≥ 30 °C) and 160 rainy days per year.

Surin 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 42.8 °C (on 14 April 1998) and the coldest 7.3 °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

SurinSurin

coords: 14.88°, 103.49°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

27.1°C

Average daily high

32.3°C

Average daily low

23.1°C

Annual rainfall

1,211mm

Sunshine / day

10.0h

Mean relative humidity

71%

Average peak wind

14.2km/h

Seasonal range

6.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

296 d/yr

Rainy days (≥ 1 mm)

160 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.3 °C

Average feels-like low

25.8 °C

Average peak gust

32.3 km/h

Tropical nights (≥ 20 °C)

299 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

42.8 °C

14 April 1998

Coldest day

7.3 °C

12 January 1955

Wettest day

163 mm

10 August 2001

Windiest day

37.7 km/h

9 November 1992

Strongest gust

74.5 km/h

9 November 1992

Hottest feels-like

47.0 °C

11 April 2001

Coldest feels-like

3.5 °C

12 January 1955

Sunniest day

12.6 h

20 July 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.1 °C25 April 2025	12.0 °C13 January 2025	27.2 °C	1,352 mm	300
2024	42.8 °C27 April 2024	15.0 °C23 December 2024	28.6 °C	1,060 mm	340
2023	40.4 °C7 May 2023	13.6 °C30 January 2023	27.9 °C	1,255 mm	322
2022	37.3 °C27 April 2022	14.5 °C19 December 2022	27.0 °C	1,590 mm	304
2021	38.8 °C29 March 2021	11.2 °C13 January 2021	27.4 °C	1,309 mm	295
2020	40.7 °C9 May 2020	14.0 °C22 December 2020	28.0 °C	1,339 mm	308
2019	40.4 °C30 April 2019	13.9 °C10 December 2019	28.4 °C	1,056 mm	331
2018	39.1 °C24 April 2018	12.5 °C6 February 2018	27.6 °C	1,093 mm	327
2017	38.5 °C22 April 2017	12.4 °C21 December 2017	27.4 °C	1,487 mm	328
2016	41.9 °C11 April 2016	12.1 °C8 February 2016	28.2 °C	1,181 mm	330
2015	41.6 °C20 April 2015	13.1 °C14 January 2015	28.1 °C	1,050 mm	328
2014	38.8 °C24 May 2014	11.5 °C24 January 2014	27.6 °C	958 mm	331
2013	40.6 °C6 April 2013	12.7 °C26 December 2013	27.4 °C	1,328 mm	306
2012	39.7 °C26 April 2012	15.7 °C20 February 2012	27.8 °C	1,143 mm	338
2011	38.4 °C7 March 2011	13.4 °C12 December 2011	26.6 °C	1,439 mm	279
2010	40.9 °C6 May 2010	15.6 °C18 December 2010	28.0 °C	1,355 mm	314
2009	39.1 °C18 April 2009	11.5 °C11 January 2009	27.3 °C	1,272 mm	322
2008	38.7 °C21 April 2008	14.4 °C2 January 2008	26.9 °C	1,537 mm	283
2007	40.9 °C23 April 2007	14.0 °C4 February 2007	27.6 °C	1,329 mm	302
2006	39.7 °C13 April 2006	14.3 °C24 December 2006	27.9 °C	1,164 mm	326
2005	40.6 °C6 May 2005	12.0 °C2 January 2005	27.9 °C	1,002 mm	323
2004	40.7 °C16 April 2004	13.4 °C25 January 2004	27.5 °C	1,107 mm	338
2003	39.2 °C14 April 2003	13.5 °C12 January 2003	27.6 °C	1,108 mm	320
2002	39.7 °C7 April 2002	15.2 °C6 January 2002	27.7 °C	1,303 mm	324
2001	40.0 °C10 April 2001	13.4 °C23 December 2001	27.4 °C	1,268 mm	304
2000	38.9 °C3 April 2000	12.7 °C2 February 2000	26.9 °C	1,681 mm	305
1999	39.5 °C19 March 1999	9.4 °C24 December 1999	26.9 °C	1,368 mm	292
1998	42.8 °C14 April 1998	14.7 °C16 December 1998	28.7 °C	1,047 mm	330
1997	39.2 °C7 May 1997	13.6 °C13 January 1997	27.5 °C	1,137 mm	324
1996	39.4 °C18 March 1996	12.3 °C1 January 1996	26.9 °C	1,436 mm	290
1995	39.9 °C23 April 1995	12.7 °C6 January 1995	27.3 °C	1,228 mm	303
1994	39.8 °C2 May 1994	13.2 °C24 January 1994	27.4 °C	1,150 mm	328
1993	40.4 °C4 April 1993	11.9 °C30 January 1993	27.0 °C	1,045 mm	295
1992	40.8 °C13 April 1992	12.8 °C17 January 1992	27.3 °C	1,172 mm	278
1991	40.7 °C19 April 1991	15.9 °C30 December 1991	27.6 °C	1,070 mm	309
1990	40.0 °C23 April 1990	15.0 °C5 December 1990	27.5 °C	1,305 mm	313
1989	40.9 °C23 April 1989	14.9 °C5 December 1989	27.2 °C	1,292 mm	301
1988	39.5 °C30 March 1988	14.6 °C20 January 1988	27.4 °C	1,193 mm	291
1987	40.0 °C12 April 1987	13.6 °C7 December 1987	27.6 °C	1,259 mm	299
1986	40.8 °C20 March 1986	12.3 °C3 March 1986	27.0 °C	1,250 mm	285
1985	40.1 °C13 April 1985	13.6 °C17 December 1985	27.0 °C	1,274 mm	314
1984	39.4 °C17 March 1984	11.4 °C10 January 1984	26.9 °C	1,096 mm	292
1983	42.1 °C16 April 1983	10.4 °C24 January 1983	27.5 °C	1,365 mm	299
1982	39.2 °C30 April 1982	9.8 °C30 December 1982	27.1 °C	1,134 mm	304
1981	40.7 °C6 April 1981	12.7 °C12 January 1981	27.0 °C	1,103 mm	296
1980	40.6 °C21 April 1980	14.0 °C24 December 1980	27.4 °C	1,606 mm	300
1979	39.5 °C7 April 1979	15.1 °C27 December 1979	27.5 °C	1,156 mm	325
1978	39.4 °C6 April 1978	14.0 °C23 January 1978	27.1 °C	1,634 mm	288
1977	39.9 °C18 April 1977	13.4 °C23 February 1977	27.0 °C	1,115 mm	294
1976	40.0 °C18 June 1976	10.4 °C16 January 1976	26.5 °C	1,441 mm	276
1975	40.7 °C14 April 1975	9.1 °C30 December 1975	26.7 °C	1,456 mm	283
1974	38.2 °C12 July 1974	10.8 °C2 January 1974	26.7 °C	1,101 mm	282
1973	39.2 °C3 April 1973	11.7 °C27 December 1973	27.2 °C	1,217 mm	293
1972	40.1 °C25 May 1972	13.0 °C16 January 1972	27.0 °C	1,450 mm	301
1971	39.1 °C1 April 1971	11.4 °C5 January 1971	26.3 °C	991 mm	265
1970	39.1 °C14 March 1970	14.2 °C20 January 1970	27.1 °C	947 mm	291
1969	39.3 °C5 May 1969	13.5 °C5 December 1969	27.2 °C	997 mm	278
1968	38.9 °C1 April 1968	12.6 °C5 January 1968	27.0 °C	1,020 mm	312
1967	38.9 °C4 April 1967	9.8 °C17 January 1967	26.3 °C	890 mm	249
1966	38.1 °C29 April 1966	13.8 °C1 January 1966	26.7 °C	1,543 mm	270
1965	40.0 °C1 May 1965	11.9 °C2 January 1965	26.8 °C	1,174 mm	303
1964	39.5 °C6 April 1964	12.5 °C19 December 1964	26.8 °C	1,215 mm	288
1963	40.8 °C16 May 1963	9.0 °C15 January 1963	26.2 °C	1,213 mm	275
1962	39.2 °C22 March 1962	10.2 °C28 January 1962	26.3 °C	1,188 mm	267
1961	39.0 °C23 March 1961	11.6 °C17 January 1961	26.9 °C	1,126 mm	295
1960	40.2 °C28 April 1960	10.6 °C3 January 1960	27.0 °C	1,291 mm	283
1959	38.8 °C17 June 1959	13.1 °C3 March 1959	27.2 °C	1,040 mm	298
1958	40.0 °C25 April 1958	13.4 °C6 January 1958	26.8 °C	1,019 mm	274
1957	39.1 °C15 May 1957	13.3 °C3 January 1957	26.8 °C	1,440 mm	280
1956	38.3 °C24 March 1956	10.4 °C30 December 1956	26.2 °C	1,276 mm	274
1955	39.9 °C18 April 1955	7.3 °C12 January 1955	26.3 °C	1,208 mm	278
1954	39.2 °C16 April 1954	11.3 °C17 December 1954	26.7 °C	830 mm	303
1953	36.2 °C15 April 1953	13.5 °C9 January 1953	26.1 °C	1,458 mm	276
1952	39.5 °C24 April 1952	11.8 °C10 December 1952	26.6 °C	1,410 mm	281
1951	39.1 °C10 April 1951	12.9 °C2 January 1951	26.8 °C	941 mm	284
1950	39.4 °C24 April 1950	13.8 °C20 December 1950	26.7 °C	972 mm	282
1949	38.7 °C15 June 1949	10.3 °C10 January 1949	26.8 °C	1,178 mm	279
1948	38.9 °C13 March 1948	11.9 °C2 January 1948	26.4 °C	1,221 mm	263
1947	38.4 °C6 May 1947	12.4 °C21 December 1947	27.1 °C	1,074 mm	297
1946	38.6 °C5 April 1946	12.3 °C8 January 1946	27.0 °C	761 mm	309
1945	37.8 °C3 March 1945	12.9 °C18 January 1945	26.2 °C	1,025 mm	294
1944	38.8 °C9 April 1944	11.5 °C21 December 1944	26.7 °C	1,036 mm	279
1943	37.7 °C25 March 1943	11.9 °C13 January 1943	25.6 °C	1,209 mm	239
1942	36.6 °C20 April 1942	13.0 °C15 December 1942	26.0 °C	1,133 mm	241
1941	37.1 °C1 March 1941	15.9 °C2 February 1941	26.4 °C	1,115 mm	243
1940	37.6 °C11 March 1940	12.6 °C5 January 1940	25.7 °C	1,339 mm	221

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

32.5 °C

+0.2 °C

Hot days (≥ 30 °C)

300 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1352 mm

+141 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.1 °C	-0.5 °C	0 mm	-6 mm
Feb	33.6 °C	+0.7 °C	1 mm	-14 mm
Mar	34.7 °C	-0.2 °C	19 mm	-22 mm
Apr	36.6 °C	+1.1 °C	40 mm	-35 mm
May	33.8 °C	-0.4 °C	231 mm	+87 mm
Jun	33.5 °C	-0.1 °C	174 mm	+38 mm
Jul	32.6 °C	-0.1 °C	131 mm	-30 mm
Aug	32.7 °C	+0.6 °C	182 mm	-9 mm
Sep	31.4 °C	+0.3 °C	281 mm	+15 mm
Oct	31.2 °C	+0.6 °C	170 mm	+34 mm
Nov	29.4 °C	-0.8 °C	112 mm	+77 mm
Dec	30.5 °C	+1.0 °C	13 mm	+7 mm

The year's extremes

Hottest day

39.1 °C

25 Apr 2025

Coldest day

12.0 °C

13 Jan 2025

Wettest day

60.2 mm

7 Nov 2025

Windiest day

33.7 km/h

19 Nov 2025

Strongest gust

65.2 km/h

23 Jul 2025

Hottest feels-like

44.9 °C

25 Apr 2025

Coldest feels-like

9.7 °C

13 Jan 2025

Sunniest day

12.2 h

2 Aug 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 Surin?

Surin has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 1,211 mm of precipitation per year.

What is the hottest day ever recorded in Surin?

The hottest day measured in Surin between 1940 and 2025 was 14 April 1998, reaching 42.8 °C.

What is the coldest day in Surin?

The coldest day measured in Surin between 1940 and 2025 was 12 January 1955, at 7.3 °C.

Does it snow in Surin?

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

Has the climate of Surin warmed?

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

What is the wettest day in Surin?

The wettest day measured in Surin between 1940 and 2025 was 10 August 2001, with 163 mm of rain in 24 hours.

What was the windiest day in Surin?

The windiest day measured in Surin between 1940 and 2025 was 9 November 1992, with winds reaching 37.7 km/h.

What is the warmest month in Surin?

The warmest month in Surin is April (29.8 °C on average); the coldest is December (23.6 °C).

How much does it rain in Surin?

Surin receives on average 1,211 mm of precipitation per year, spread over about 160 rainy days.

Is it sunny in Surin?

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

Are there tropical nights in Surin?

Yes: Surin has on average 299 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Surin?

In Surin, between 1940 and 2025, the highest apparent temperature reached 47.0 °C on 11 April 2001, and the lowest was 3.5 °C on 12 January 1955.

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