Kampong Chhnang climate — normals and trends

Q: What is the climate of Kampong Chhnang?

Kampong Chhnang has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.1 °C and it receives 1,367 mm of precipitation per year.

Q: What is the hottest day ever recorded in Kampong Chhnang?

The hottest day measured in Kampong Chhnang between 1940 and 2025 was 18 May 2010, reaching 43.1 °C.

Q: What is the coldest day in Kampong Chhnang?

The coldest day measured in Kampong Chhnang between 1940 and 2025 was 16 January 1963, at 13.7 °C.

Q: Does it snow in Kampong Chhnang?

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

Q: Has the climate of Kampong Chhnang warmed?

Yes: Kampong Chhnang warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Kampong Chhnang?

The wettest day measured in Kampong Chhnang between 1940 and 2025 was 16 September 1978, with 152 mm of rain in 24 hours.

Q: What was the windiest day in Kampong Chhnang?

The windiest day measured in Kampong Chhnang between 1940 and 2025 was 29 October 1970, with winds reaching 32.0 km/h.

Q: What is the warmest month in Kampong Chhnang?

The warmest month in Kampong Chhnang is April (30.3 °C on average); the coldest is December (26.0 °C).

Q: How much does it rain in Kampong Chhnang?

Kampong Chhnang receives on average 1,367 mm of precipitation per year, spread over about 191 rainy days.

Q: Is it sunny in Kampong Chhnang?

Kampong Chhnang gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Kampong Chhnang (Cambodia) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.1 °C and it receives 1,367 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 (30.3 °C on average) and the coldest is December (26.0 °C). Rainfall peaks in September.

Kampong Chhnang averages 0 frost days, 326 hot days (≥ 30 °C) and 191 rainy days per year.

Kampong Chhnang has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.

The hottest day of the period reached 43.1 °C (on 18 May 2010) and the coldest 13.7 °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

Kampong ChhnangKampong Chhnang

coords: 12.25°, 104.67°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthJanuary

Mean daily temperature

28.1°C

Average daily high

32.9°C

Average daily low

24.7°C

Annual rainfall

1,367mm

Sunshine / day

10.2h

Mean relative humidity

74%

Average peak wind

11.7km/h

Seasonal range

4.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

326 d/yr

Rainy days (≥ 1 mm)

191 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.9 °C

Average feels-like low

28.7 °C

Average peak gust

29.0 km/h

Tropical nights (≥ 20 °C)

352 d/yr

Solar radiation

19.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.3 °C

since 1940

+0.3 °C per decade · r² = 0.75 · 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

43.1 °C

18 May 2010

Coldest day

13.7 °C

16 January 1963

Wettest day

152 mm

16 September 1978

Windiest day

32.0 km/h

29 October 1970

Strongest gust

78.5 km/h

5 October 1960

Hottest feels-like

49.3 °C

18 May 2010

Coldest feels-like

11.2 °C

12 January 1955

Sunniest day

12.2 h

9 July 1951

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	40.1 °C9 May 2025	18.3 °C13 January 2025	28.4 °C	1,496 mm	341
2024	41.1 °C1 May 2024	19.8 °C23 December 2024	29.6 °C	1,361 mm	354
2023	41.1 °C19 May 2023	20.2 °C30 January 2023	29.0 °C	1,674 mm	344
2022	40.5 °C27 April 2022	18.7 °C19 December 2022	28.5 °C	1,690 mm	339
2021	40.5 °C2 July 2021	16.9 °C13 January 2021	28.6 °C	1,392 mm	338
2020	40.4 °C13 June 2020	19.9 °C3 February 2020	29.0 °C	1,183 mm	337
2019	40.8 °C2 May 2019	18.4 °C9 December 2019	29.6 °C	1,076 mm	340
2018	39.9 °C14 April 2018	19.5 °C7 February 2018	29.0 °C	1,245 mm	358
2017	40.3 °C19 April 2017	17.8 °C19 December 2017	28.8 °C	1,514 mm	345
2016	41.6 °C28 April 2016	18.2 °C8 February 2016	29.4 °C	1,619 mm	345
2015	40.7 °C18 May 2015	18.8 °C16 January 2015	29.7 °C	954 mm	362
2014	39.9 °C22 May 2014	15.8 °C24 January 2014	29.0 °C	1,113 mm	349
2013	41.0 °C6 April 2013	17.3 °C28 December 2013	29.0 °C	1,487 mm	334
2012	40.6 °C24 April 2012	22.0 °C5 December 2012	29.5 °C	1,271 mm	358
2011	40.0 °C24 May 2011	19.2 °C12 December 2011	28.6 °C	1,398 mm	348
2010	43.1 °C18 May 2010	20.4 °C18 December 2010	29.5 °C	1,295 mm	349
2009	39.1 °C24 April 2009	16.9 °C11 January 2009	28.3 °C	1,390 mm	342
2008	38.3 °C12 April 2008	19.9 °C11 December 2008	28.2 °C	1,476 mm	331
2007	39.1 °C17 March 2007	17.6 °C1 December 2007	28.5 °C	1,606 mm	332
2006	38.8 °C28 April 2006	18.2 °C23 December 2006	28.9 °C	1,241 mm	351
2005	41.4 °C6 May 2005	18.1 °C4 January 2005	28.9 °C	1,189 mm	332
2004	39.8 °C18 April 2004	19.3 °C20 December 2004	29.0 °C	1,051 mm	359
2003	39.8 °C13 April 2003	19.2 °C21 December 2003	29.0 °C	1,441 mm	350
2002	39.0 °C18 March 2002	19.7 °C9 January 2002	29.3 °C	1,237 mm	347
2001	39.3 °C23 April 2001	19.2 °C24 December 2001	28.8 °C	1,302 mm	342
2000	38.6 °C28 March 2000	19.2 °C6 November 2000	28.3 °C	1,570 mm	332
1999	38.5 °C18 March 1999	14.3 °C25 December 1999	27.7 °C	1,796 mm	311
1998	40.5 °C24 May 1998	17.6 °C16 December 1998	29.4 °C	1,449 mm	333
1997	39.0 °C20 June 1997	18.1 °C4 January 1997	28.5 °C	1,196 mm	348
1996	40.0 °C22 March 1996	17.4 °C28 December 1996	28.2 °C	1,634 mm	325
1995	38.8 °C21 April 1995	17.2 °C7 January 1995	28.6 °C	1,322 mm	342
1994	39.2 °C2 May 1994	18.8 °C25 January 1994	28.1 °C	1,277 mm	340
1993	40.3 °C1 May 1993	16.8 °C29 January 1993	27.8 °C	1,428 mm	312
1992	40.4 °C23 April 1992	18.0 °C18 January 1992	28.4 °C	1,156 mm	333
1991	39.1 °C8 April 1991	20.2 °C15 November 1991	28.5 °C	1,374 mm	346
1990	40.5 °C24 April 1990	18.3 °C6 December 1990	28.5 °C	1,349 mm	338
1989	39.7 °C22 April 1989	18.5 °C3 December 1989	28.2 °C	1,326 mm	344
1988	39.0 °C29 March 1988	18.8 °C16 December 1988	28.3 °C	1,368 mm	318
1987	40.2 °C11 April 1987	17.0 °C8 December 1987	28.5 °C	1,688 mm	324
1986	38.9 °C9 April 1986	17.8 °C4 March 1986	28.0 °C	1,478 mm	314
1985	41.1 °C13 April 1985	17.6 °C17 December 1985	28.0 °C	1,526 mm	335
1984	39.1 °C11 April 1984	18.4 °C10 January 1984	28.1 °C	1,249 mm	345
1983	40.4 °C13 April 1983	16.4 °C25 January 1983	28.4 °C	1,411 mm	320
1982	38.2 °C4 May 1982	15.9 °C29 December 1982	27.8 °C	1,344 mm	339
1981	39.1 °C6 April 1981	17.4 °C14 January 1981	28.2 °C	1,460 mm	320
1980	40.0 °C4 April 1980	18.6 °C26 December 1980	28.4 °C	1,476 mm	347
1979	39.8 °C2 April 1979	18.8 °C27 December 1979	28.5 °C	1,310 mm	345
1978	40.3 °C11 April 1978	18.8 °C24 January 1978	28.1 °C	1,767 mm	327
1977	38.8 °C27 April 1977	19.3 °C6 March 1977	28.2 °C	1,344 mm	347
1976	39.7 °C16 April 1976	14.8 °C17 January 1976	27.6 °C	1,255 mm	321
1975	38.7 °C29 April 1975	14.3 °C30 December 1975	27.4 °C	1,599 mm	312
1974	37.8 °C19 June 1974	16.3 °C3 January 1974	27.5 °C	1,462 mm	312
1973	38.7 °C25 April 1973	16.3 °C29 December 1973	28.0 °C	1,554 mm	313
1972	41.7 °C24 May 1972	17.3 °C23 January 1972	28.0 °C	1,759 mm	330
1971	37.5 °C23 April 1971	16.2 °C5 January 1971	27.1 °C	1,386 mm	301
1970	39.3 °C12 May 1970	17.9 °C1 February 1970	28.0 °C	1,175 mm	319
1969	38.7 °C21 May 1969	18.0 °C22 December 1969	28.0 °C	1,211 mm	310
1968	37.8 °C30 March 1968	18.4 °C12 January 1968	27.8 °C	1,053 mm	350
1967	37.7 °C3 April 1967	14.6 °C17 January 1967	27.3 °C	1,015 mm	316
1966	39.2 °C30 April 1966	18.9 °C2 January 1966	27.8 °C	1,434 mm	302
1965	39.4 °C30 April 1965	16.0 °C18 January 1965	27.8 °C	1,291 mm	330
1964	39.1 °C12 April 1964	17.3 °C19 December 1964	27.8 °C	1,351 mm	305
1963	39.5 °C22 April 1963	13.7 °C16 January 1963	27.4 °C	1,295 mm	317
1962	38.6 °C21 March 1962	15.2 °C28 January 1962	27.4 °C	1,414 mm	313
1961	39.5 °C26 March 1961	15.8 °C18 January 1961	27.7 °C	1,165 mm	325
1960	40.5 °C25 April 1960	16.4 °C4 January 1960	28.1 °C	1,288 mm	323
1959	38.9 °C17 June 1959	17.3 °C18 January 1959	27.9 °C	1,137 mm	334
1958	38.9 °C27 March 1958	17.9 °C15 February 1958	27.8 °C	1,184 mm	304
1957	37.8 °C15 May 1957	17.2 °C21 January 1957	27.5 °C	1,656 mm	332
1956	37.0 °C21 March 1956	14.7 °C19 January 1956	27.0 °C	1,552 mm	297
1955	39.0 °C18 April 1955	13.9 °C12 January 1955	27.3 °C	1,533 mm	303
1954	38.5 °C16 April 1954	16.8 °C16 December 1954	27.7 °C	996 mm	326
1953	35.6 °C28 March 1953	16.8 °C9 January 1953	27.1 °C	1,557 mm	297
1952	37.9 °C9 April 1952	16.1 °C23 January 1952	27.5 °C	1,267 mm	314
1951	38.2 °C10 April 1951	17.1 °C2 January 1951	27.7 °C	936 mm	323
1950	37.9 °C23 April 1950	18.0 °C20 December 1950	27.4 °C	1,139 mm	303
1949	36.5 °C12 April 1949	16.7 °C10 January 1949	27.4 °C	1,357 mm	305
1948	37.6 °C13 March 1948	17.9 °C2 January 1948	27.4 °C	1,133 mm	305
1947	38.4 °C25 April 1947	18.5 °C30 December 1947	27.8 °C	1,182 mm	336
1946	36.3 °C3 March 1946	17.1 °C8 January 1946	27.0 °C	1,266 mm	302
1945	35.5 °C26 March 1945	17.5 °C30 December 1945	26.5 °C	1,567 mm	245
1944	37.5 °C8 April 1944	16.7 °C21 December 1944	27.3 °C	1,454 mm	282
1943	36.8 °C25 March 1943	16.7 °C13 January 1943	26.2 °C	1,561 mm	265
1942	35.4 °C28 February 1942	16.8 °C7 December 1942	26.7 °C	1,425 mm	278
1941	36.5 °C11 March 1941	18.2 °C26 December 1941	26.9 °C	1,451 mm	291
1940	36.1 °C11 March 1940	14.7 °C4 January 1940	26.5 °C	1,475 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

33.1 °C

+0.2 °C

Hot days (≥ 30 °C)

341 d/yr

+15

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1496 mm

+129 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.3 °C	-0.7 °C	1 mm	-9 mm
Feb	34.2 °C	+0.6 °C	7 mm	-8 mm
Mar	34.6 °C	-0.6 °C	50 mm	+8 mm
Apr	35.8 °C	+0.2 °C	86 mm	+2 mm
May	34.4 °C	-0.1 °C	219 mm	+80 mm
Jun	33.4 °C	0.0 °C	179 mm	+24 mm
Jul	33.6 °C	+0.9 °C	143 mm	-25 mm
Aug	33.6 °C	+1.0 °C	205 mm	+16 mm
Sep	31.9 °C	+0.1 °C	295 mm	+48 mm
Oct	32.0 °C	+0.7 °C	173 mm	-36 mm
Nov	30.5 °C	-0.4 °C	119 mm	+31 mm
Dec	31.4 °C	+0.6 °C	20 mm	+0 mm

The year's extremes

Hottest day

40.1 °C

9 May 2025

Coldest day

18.3 °C

13 Jan 2025

Wettest day

40.7 mm

22 Jun 2025

Windiest day

23.2 km/h

27 Jan 2025

Strongest gust

57.6 km/h

20 Jul 2025

Hottest feels-like

45.9 °C

9 May 2025

Coldest feels-like

17.8 °C

13 Jan 2025

Sunniest day

12.0 h

4 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 Kampong Chhnang?

Kampong Chhnang has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.1 °C and it receives 1,367 mm of precipitation per year.

What is the hottest day ever recorded in Kampong Chhnang?

The hottest day measured in Kampong Chhnang between 1940 and 2025 was 18 May 2010, reaching 43.1 °C.

What is the coldest day in Kampong Chhnang?

The coldest day measured in Kampong Chhnang between 1940 and 2025 was 16 January 1963, at 13.7 °C.

Does it snow in Kampong Chhnang?

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

Has the climate of Kampong Chhnang warmed?

Yes: Kampong Chhnang warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Kampong Chhnang?

The wettest day measured in Kampong Chhnang between 1940 and 2025 was 16 September 1978, with 152 mm of rain in 24 hours.

What was the windiest day in Kampong Chhnang?

The windiest day measured in Kampong Chhnang between 1940 and 2025 was 29 October 1970, with winds reaching 32.0 km/h.

What is the warmest month in Kampong Chhnang?

The warmest month in Kampong Chhnang is April (30.3 °C on average); the coldest is December (26.0 °C).

How much does it rain in Kampong Chhnang?

Kampong Chhnang receives on average 1,367 mm of precipitation per year, spread over about 191 rainy days.

Is it sunny in Kampong Chhnang?

Kampong Chhnang gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Are there tropical nights in Kampong Chhnang?

Yes: Kampong Chhnang has on average 352 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Kampong Chhnang?

In Kampong Chhnang, between 1940 and 2025, the highest apparent temperature reached 49.3 °C on 18 May 2010, and the lowest was 11.2 °C on 12 January 1955.

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