Svay Rieng climate — normals and trends

Q: What is the climate of Svay Rieng?

Svay Rieng has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 1,688 mm of precipitation per year.

Q: What is the hottest day ever recorded in Svay Rieng?

The hottest day measured in Svay Rieng between 1940 and 2025 was 7 April 2013, reaching 40.0 °C.

Q: What is the coldest day in Svay Rieng?

The coldest day measured in Svay Rieng between 1940 and 2025 was 16 January 1963, at 14.8 °C.

Q: Does it snow in Svay Rieng?

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

Q: Has the climate of Svay Rieng warmed?

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

Q: What is the wettest day in Svay Rieng?

The wettest day measured in Svay Rieng between 1940 and 2025 was 11 October 2010, with 138 mm of rain in 24 hours.

Q: What was the windiest day in Svay Rieng?

The windiest day measured in Svay Rieng between 1940 and 2025 was 17 December 1993, with winds reaching 32.0 km/h.

Q: What is the warmest month in Svay Rieng?

The warmest month in Svay Rieng is April (29.6 °C on average); the coldest is December (26.3 °C).

Q: How much does it rain in Svay Rieng?

Svay Rieng receives on average 1,688 mm of precipitation per year, spread over about 209 rainy days.

Q: Is it sunny in Svay Rieng?

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

Svay Rieng (Cambodia) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.6 °C and it receives 1,688 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 (29.6 °C on average) and the coldest is December (26.3 °C). Rainfall peaks in September.

Svay Rieng averages 0 frost days, 326 hot days (≥ 30 °C) and 209 rainy days per year.

Svay Rieng 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 40.0 °C (on 7 April 2013) and the coldest 14.8 °C (on 16 January 1963).

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

Svay RiengSvay Rieng

coords: 11.09°, 105.80°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthFebruary

Mean daily temperature

27.6°C

Average daily high

32.3°C

Average daily low

24.2°C

Annual rainfall

1,688mm

Sunshine / day

10.1h

Mean relative humidity

76%

Average peak wind

13.5km/h

Seasonal range

3.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

326 d/yr

Rainy days (≥ 1 mm)

209 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.3 °C

Average feels-like low

28.4 °C

Average peak gust

30.9 km/h

Tropical nights (≥ 20 °C)

356 d/yr

Solar radiation

18.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.77 · 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

40.0 °C

7 April 2013

Coldest day

14.8 °C

16 January 1963

Wettest day

138 mm

11 October 2010

Windiest day

32.0 km/h

17 December 1993

Strongest gust

72.4 km/h

29 August 1990

Hottest feels-like

46.4 °C

18 May 2010

Coldest feels-like

12.9 °C

12 January 1955

Sunniest day

12.1 h

5 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	36.7 °C25 April 2025	19.4 °C30 January 2025	28.3 °C	1,796 mm	347
2024	38.6 °C29 April 2024	21.4 °C21 December 2024	29.0 °C	1,884 mm	341
2023	37.6 °C6 May 2023	20.8 °C30 January 2023	28.5 °C	1,829 mm	350
2022	37.6 °C27 April 2022	20.2 °C25 December 2022	28.2 °C	1,975 mm	343
2021	36.7 °C5 May 2021	19.1 °C13 January 2021	28.0 °C	1,729 mm	333
2020	37.3 °C9 May 2020	20.2 °C7 February 2020	28.4 °C	1,500 mm	337
2019	39.5 °C16 April 2019	19.9 °C7 December 2019	28.7 °C	1,385 mm	348
2018	39.2 °C26 April 2018	19.9 °C7 February 2018	28.4 °C	1,899 mm	354
2017	37.4 °C29 March 2017	20.2 °C20 December 2017	28.3 °C	2,114 mm	342
2016	39.7 °C5 May 2016	18.7 °C8 February 2016	28.8 °C	1,856 mm	349
2015	39.2 °C19 May 2015	19.1 °C16 January 2015	28.9 °C	1,468 mm	360
2014	38.2 °C16 March 2014	17.6 °C24 January 2014	28.4 °C	1,587 mm	352
2013	40.0 °C7 April 2013	20.1 °C28 December 2013	28.6 °C	1,782 mm	339
2012	38.6 °C15 March 2012	22.0 °C9 January 2012	28.5 °C	1,936 mm	355
2011	38.3 °C18 April 2011	19.1 °C19 January 2011	28.0 °C	1,748 mm	347
2010	39.9 °C17 May 2010	20.5 °C18 December 2010	28.5 °C	1,992 mm	345
2009	37.7 °C19 April 2009	18.0 °C15 January 2009	28.0 °C	1,676 mm	338
2008	37.3 °C1 April 2008	19.6 °C13 November 2008	27.8 °C	1,879 mm	346
2007	37.7 °C25 April 2007	18.1 °C30 November 2007	27.9 °C	1,846 mm	330
2006	36.6 °C21 April 2006	20.3 °C23 December 2006	28.1 °C	1,703 mm	339
2005	38.0 °C5 May 2005	18.6 °C3 January 2005	28.0 °C	1,613 mm	331
2004	38.2 °C25 April 2004	19.6 °C24 December 2004	28.3 °C	1,299 mm	358
2003	38.7 °C9 April 2003	19.1 °C13 January 2003	28.5 °C	1,783 mm	348
2002	39.6 °C2 May 2002	20.1 °C9 January 2002	28.8 °C	1,283 mm	349
2001	37.6 °C9 May 2001	19.3 °C31 December 2001	28.0 °C	1,715 mm	342
2000	36.4 °C7 April 2000	20.0 °C7 November 2000	27.7 °C	1,858 mm	333
1999	37.0 °C20 March 1999	16.2 °C26 December 1999	27.4 °C	1,985 mm	316
1998	39.1 °C14 May 1998	18.6 °C16 December 1998	28.5 °C	1,860 mm	333
1997	37.0 °C12 May 1997	17.9 °C13 January 1997	28.0 °C	1,521 mm	349
1996	37.9 °C25 March 1996	16.7 °C28 December 1996	27.6 °C	2,012 mm	335
1995	37.9 °C2 May 1995	17.7 °C7 January 1995	27.9 °C	1,618 mm	342
1994	37.3 °C13 March 1994	19.2 °C25 January 1994	27.7 °C	1,541 mm	334
1993	39.1 °C8 May 1993	17.6 °C30 January 1993	27.4 °C	1,862 mm	314
1992	38.6 °C30 May 1992	17.7 °C17 January 1992	27.9 °C	1,463 mm	339
1991	37.0 °C20 April 1991	20.6 °C14 November 1991	27.9 °C	1,603 mm	337
1990	37.7 °C23 April 1990	19.9 °C3 December 1990	28.2 °C	1,538 mm	338
1989	37.3 °C23 April 1989	19.2 °C4 December 1989	27.5 °C	1,823 mm	343
1988	38.0 °C15 March 1988	18.7 °C15 December 1988	27.9 °C	1,876 mm	332
1987	39.5 °C13 April 1987	18.8 °C8 December 1987	28.1 °C	1,902 mm	339
1986	38.1 °C30 April 1986	17.9 °C4 March 1986	27.4 °C	1,960 mm	316
1985	38.8 °C13 April 1985	18.3 °C17 December 1985	27.4 °C	2,050 mm	325
1984	38.1 °C9 April 1984	19.2 °C10 January 1984	27.4 °C	1,616 mm	338
1983	38.4 °C21 May 1983	17.6 °C27 January 1983	27.6 °C	1,740 mm	315
1982	36.2 °C24 March 1982	17.5 °C29 December 1982	27.2 °C	1,872 mm	336
1981	38.3 °C11 April 1981	17.9 °C22 December 1981	27.6 °C	1,732 mm	313
1980	38.3 °C28 March 1980	18.9 °C24 January 1980	27.8 °C	1,979 mm	342
1979	39.0 °C26 March 1979	19.6 °C30 November 1979	27.9 °C	1,510 mm	336
1978	38.3 °C4 April 1978	18.4 °C25 November 1978	27.6 °C	1,854 mm	331
1977	36.9 °C7 May 1977	18.6 °C6 March 1977	27.6 °C	1,658 mm	350
1976	36.4 °C20 April 1976	15.6 °C16 January 1976	27.1 °C	1,822 mm	313
1975	39.3 °C28 April 1975	15.0 °C31 December 1975	27.0 °C	2,068 mm	302
1974	36.0 °C9 May 1974	17.2 °C5 January 1974	27.1 °C	1,579 mm	327
1973	37.7 °C18 April 1973	17.0 °C29 December 1973	27.6 °C	1,906 mm	318
1972	37.5 °C28 May 1972	17.7 °C16 January 1972	27.3 °C	2,075 mm	327
1971	36.7 °C23 April 1971	16.9 °C17 November 1971	26.8 °C	1,711 mm	299
1970	37.1 °C2 June 1970	18.0 °C20 December 1970	27.4 °C	1,479 mm	316
1969	37.0 °C20 May 1969	18.4 °C7 February 1969	27.6 °C	1,347 mm	317
1968	35.7 °C1 April 1968	17.6 °C12 January 1968	27.2 °C	1,291 mm	339
1967	36.4 °C4 April 1967	16.5 °C17 January 1967	26.9 °C	1,329 mm	309
1966	38.4 °C13 March 1966	19.8 °C2 January 1966	27.3 °C	1,519 mm	309
1965	36.8 °C29 April 1965	16.4 °C17 January 1965	27.1 °C	1,570 mm	322
1964	36.8 °C12 April 1964	17.2 °C19 December 1964	27.3 °C	1,712 mm	301
1963	37.4 °C18 May 1963	14.8 °C16 January 1963	27.1 °C	1,380 mm	315
1962	36.2 °C24 April 1962	15.4 °C28 January 1962	27.0 °C	1,534 mm	304
1961	37.4 °C22 March 1961	16.6 °C19 January 1961	27.2 °C	1,433 mm	327
1960	36.9 °C23 March 1960	17.2 °C2 January 1960	27.5 °C	1,495 mm	326
1959	37.2 °C6 April 1959	16.8 °C19 January 1959	27.4 °C	1,506 mm	330
1958	37.7 °C8 May 1958	18.1 °C6 January 1958	27.5 °C	1,324 mm	326
1957	37.7 °C24 May 1957	16.4 °C3 January 1957	27.3 °C	1,742 mm	328
1956	35.9 °C25 March 1956	16.1 °C30 December 1956	26.5 °C	2,022 mm	288
1955	36.8 °C27 April 1955	15.5 °C4 December 1955	26.8 °C	1,801 mm	301
1954	36.0 °C28 March 1954	17.2 °C22 November 1954	27.0 °C	1,403 mm	320
1953	36.8 °C12 March 1953	16.7 °C9 January 1953	27.2 °C	1,589 mm	319
1952	36.7 °C3 April 1952	16.6 °C23 January 1952	27.2 °C	1,456 mm	302
1951	37.8 °C10 April 1951	17.2 °C2 January 1951	27.4 °C	1,096 mm	322
1950	37.0 °C22 April 1950	18.7 °C11 December 1950	27.1 °C	1,369 mm	306
1949	37.2 °C3 June 1949	17.8 °C10 January 1949	27.1 °C	1,747 mm	321
1948	36.7 °C15 March 1948	17.2 °C21 November 1948	27.1 °C	1,368 mm	322
1947	37.3 °C24 April 1947	19.0 °C25 December 1947	27.1 °C	1,509 mm	331
1946	36.6 °C27 March 1946	17.8 °C7 January 1946	26.6 °C	1,608 mm	295
1945	35.7 °C26 March 1945	17.8 °C29 December 1945	26.1 °C	1,789 mm	270
1944	37.5 °C8 April 1944	18.2 °C12 January 1944	27.0 °C	1,656 mm	285
1943	36.5 °C26 March 1943	16.7 °C18 January 1943	26.0 °C	1,813 mm	275
1942	37.0 °C24 April 1942	16.8 °C15 December 1942	26.5 °C	1,587 mm	285
1941	36.7 °C10 March 1941	20.1 °C24 December 1941	26.5 °C	1,854 mm	288
1940	35.9 °C11 March 1940	15.0 °C5 January 1940	26.2 °C	1,942 mm	256

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

32.7 °C

+0.4 °C

Hot days (≥ 30 °C)

347 d/yr

+21

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1796 mm

+108 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.9 °C	+0.2 °C	2 mm	-14 mm
Feb	33.1 °C	+0.2 °C	30 mm	+18 mm
Mar	34.5 °C	+0.1 °C	15 mm	-15 mm
Apr	34.6 °C	-0.3 °C	117 mm	+34 mm
May	33.5 °C	0.0 °C	256 mm	+84 mm
Jun	32.1 °C	-0.1 °C	258 mm	+55 mm
Jul	32.3 °C	+0.6 °C	172 mm	-55 mm
Aug	32.9 °C	+1.2 °C	220 mm	-20 mm
Sep	32.1 °C	+0.6 °C	303 mm	+10 mm
Oct	32.1 °C	+0.8 °C	221 mm	-35 mm
Nov	30.9 °C	-0.2 °C	171 mm	+52 mm
Dec	32.1 °C	+1.1 °C	33 mm	-6 mm

The year's extremes

Hottest day

36.7 °C

25 Apr 2025

Coldest day

19.4 °C

30 Jan 2025

Wettest day

34.3 mm

21 Aug 2025

Windiest day

25.3 km/h

22 Jul 2025

Strongest gust

64.1 km/h

22 Jul 2025

Hottest feels-like

43.4 °C

21 May 2025

Coldest feels-like

18.3 °C

13 Jan 2025

Sunniest day

12.0 h

23 Mar 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 Svay Rieng?

Svay Rieng has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 1,688 mm of precipitation per year.

What is the hottest day ever recorded in Svay Rieng?

The hottest day measured in Svay Rieng between 1940 and 2025 was 7 April 2013, reaching 40.0 °C.

What is the coldest day in Svay Rieng?

The coldest day measured in Svay Rieng between 1940 and 2025 was 16 January 1963, at 14.8 °C.

Does it snow in Svay Rieng?

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

Has the climate of Svay Rieng warmed?

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

What is the wettest day in Svay Rieng?

The wettest day measured in Svay Rieng between 1940 and 2025 was 11 October 2010, with 138 mm of rain in 24 hours.

What was the windiest day in Svay Rieng?

The windiest day measured in Svay Rieng between 1940 and 2025 was 17 December 1993, with winds reaching 32.0 km/h.

What is the warmest month in Svay Rieng?

The warmest month in Svay Rieng is April (29.6 °C on average); the coldest is December (26.3 °C).

How much does it rain in Svay Rieng?

Svay Rieng receives on average 1,688 mm of precipitation per year, spread over about 209 rainy days.

Is it sunny in Svay Rieng?

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

Are there tropical nights in Svay Rieng?

Yes: Svay Rieng has on average 356 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Svay Rieng?

In Svay Rieng, between 1940 and 2025, the highest apparent temperature reached 46.4 °C on 18 May 2010, and the lowest was 12.9 °C on 12 January 1955.

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