Kampong Thom climate — normals and trends

Q: What is the climate of Kampong Thom?

Kampong Thom has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 1,532 mm of precipitation per year.

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

The hottest day measured in Kampong Thom between 1940 and 2025 was 18 May 2010, reaching 42.3 °C.

Q: What is the coldest day in Kampong Thom?

The coldest day measured in Kampong Thom between 1940 and 2025 was 16 January 1963, at 12.4 °C.

Q: Does it snow in Kampong Thom?

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

Q: Has the climate of Kampong Thom warmed?

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

Q: What is the wettest day in Kampong Thom?

The wettest day measured in Kampong Thom between 1940 and 2025 was 17 November 1980, with 185 mm of rain in 24 hours.

Q: What was the windiest day in Kampong Thom?

The windiest day measured in Kampong Thom between 1940 and 2025 was 12 November 1973, with winds reaching 29.1 km/h.

Q: What is the warmest month in Kampong Thom?

The warmest month in Kampong Thom is April (29.8 °C on average); the coldest is December (25.5 °C).

Q: How much does it rain in Kampong Thom?

Kampong Thom receives on average 1,532 mm of precipitation per year, spread over about 192 rainy days.

Q: Is it sunny in Kampong Thom?

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

Kampong Thom (Cambodia) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.6 °C and it receives 1,532 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 (25.5 °C). Rainfall peaks in September.

Kampong Thom averages 0 frost days, 312 hot days (≥ 30 °C) and 192 rainy days per year.

Kampong Thom 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 42.3 °C (on 18 May 2010) and the coldest 12.4 °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 ThomKampong Thom

coords: 12.71°, 104.89°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthJanuary

Mean daily temperature

27.6°C

Average daily high

32.4°C

Average daily low

24.1°C

Annual rainfall

1,532mm

Sunshine / day

10.2h

Mean relative humidity

75%

Average peak wind

11.4km/h

Seasonal range

4.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

312 d/yr

Rainy days (≥ 1 mm)

192 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.6 °C

Average feels-like low

28.0 °C

Average peak gust

28.9 km/h

Tropical nights (≥ 20 °C)

345 d/yr

Solar radiation

18.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.3 °C

since 1940

+0.3 °C per decade · r² = 0.74 · 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

42.3 °C

18 May 2010

Coldest day

12.4 °C

16 January 1963

Wettest day

185 mm

17 November 1980

Windiest day

29.1 km/h

12 November 1973

Strongest gust

68.8 km/h

14 August 1953

Hottest feels-like

48.4 °C

18 May 2010

Coldest feels-like

10.9 °C

12 January 1955

Sunniest day

12.2 h

14 July 1951

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	37.7 °C5 March 2025	16.8 °C13 January 2025	28.0 °C	1,658 mm	333
2024	40.8 °C29 April 2024	18.8 °C23 December 2024	29.1 °C	1,396 mm	347
2023	39.6 °C7 May 2023	19.2 °C31 January 2023	28.4 °C	1,773 mm	342
2022	38.6 °C27 April 2022	18.1 °C19 December 2022	28.0 °C	1,923 mm	330
2021	39.6 °C29 June 2021	16.0 °C13 January 2021	28.2 °C	1,503 mm	330
2020	39.4 °C9 May 2020	19.1 °C7 February 2020	28.5 °C	1,385 mm	329
2019	40.5 °C7 May 2019	17.5 °C9 December 2019	29.2 °C	1,128 mm	338
2018	38.5 °C14 April 2018	18.6 °C7 February 2018	28.4 °C	1,509 mm	353
2017	39.7 °C21 April 2017	16.9 °C19 December 2017	28.4 °C	1,632 mm	343
2016	41.0 °C28 April 2016	17.5 °C8 February 2016	29.0 °C	1,639 mm	339
2015	40.6 °C21 May 2015	17.9 °C16 January 2015	29.3 °C	1,055 mm	361
2014	39.4 °C16 March 2014	14.5 °C24 January 2014	28.5 °C	1,312 mm	347
2013	40.5 °C16 May 2013	16.3 °C28 December 2013	28.6 °C	1,747 mm	331
2012	39.9 °C5 April 2012	21.5 °C5 December 2012	29.1 °C	1,385 mm	352
2011	38.3 °C6 March 2011	18.3 °C19 January 2011	28.1 °C	1,562 mm	343
2010	42.3 °C18 May 2010	19.2 °C18 December 2010	28.8 °C	1,526 mm	342
2009	37.2 °C24 April 2009	15.6 °C12 January 2009	27.6 °C	1,689 mm	332
2008	37.4 °C13 July 2008	18.5 °C10 December 2008	27.9 °C	1,500 mm	329
2007	38.7 °C28 April 2007	16.8 °C29 November 2007	27.9 °C	1,804 mm	325
2006	38.5 °C27 March 2006	17.4 °C23 December 2006	28.5 °C	1,433 mm	338
2005	41.2 °C6 May 2005	16.5 °C4 January 2005	28.5 °C	1,212 mm	337
2004	39.4 °C30 April 2004	17.4 °C24 December 2004	28.4 °C	1,285 mm	353
2003	39.1 °C6 March 2003	18.3 °C21 December 2003	28.6 °C	1,424 mm	349
2002	39.4 °C21 March 2002	19.2 °C2 January 2002	28.9 °C	1,355 mm	341
2001	38.0 °C3 March 2001	18.0 °C24 December 2001	28.3 °C	1,399 mm	331
2000	38.2 °C28 March 2000	18.6 °C3 February 2000	27.7 °C	1,695 mm	327
1999	38.4 °C19 March 1999	12.7 °C26 December 1999	27.3 °C	1,951 mm	298
1998	40.1 °C14 April 1998	17.3 °C16 December 1998	28.9 °C	1,467 mm	328
1997	37.5 °C20 June 1997	16.2 °C14 January 1997	27.8 °C	1,487 mm	338
1996	39.4 °C20 March 1996	16.4 °C27 December 1996	27.6 °C	1,747 mm	314
1995	39.0 °C27 April 1995	15.8 °C8 January 1995	28.1 °C	1,433 mm	325
1994	38.3 °C2 May 1994	17.3 °C25 January 1994	27.6 °C	1,645 mm	321
1993	38.7 °C1 May 1993	16.1 °C29 January 1993	27.2 °C	1,618 mm	296
1992	39.4 °C1 May 1992	16.6 °C18 January 1992	27.8 °C	1,397 mm	316
1991	39.3 °C28 March 1991	19.2 °C8 December 1991	28.1 °C	1,496 mm	330
1990	39.3 °C24 April 1990	17.2 °C6 December 1990	28.0 °C	1,645 mm	318
1989	39.6 °C22 April 1989	17.6 °C4 December 1989	27.8 °C	1,490 mm	334
1988	38.7 °C19 March 1988	17.6 °C8 December 1988	27.8 °C	1,550 mm	307
1987	39.4 °C11 April 1987	16.2 °C8 December 1987	28.0 °C	1,656 mm	314
1986	38.8 °C9 April 1986	17.3 °C6 January 1986	27.6 °C	1,648 mm	297
1985	39.9 °C13 April 1985	16.6 °C17 December 1985	27.6 °C	1,656 mm	320
1984	38.4 °C14 April 1984	16.4 °C10 January 1984	27.6 °C	1,422 mm	337
1983	40.4 °C13 April 1983	15.6 °C25 January 1983	28.0 °C	1,666 mm	304
1982	37.7 °C7 March 1982	14.5 °C29 December 1982	27.4 °C	1,404 mm	334
1981	38.8 °C9 April 1981	16.0 °C14 January 1981	27.6 °C	1,687 mm	310
1980	40.1 °C4 April 1980	18.0 °C25 December 1980	28.0 °C	1,950 mm	329
1979	39.2 °C2 April 1979	17.9 °C27 December 1979	27.9 °C	1,490 mm	339
1978	40.5 °C3 April 1978	17.6 °C23 January 1978	27.6 °C	1,778 mm	305
1977	38.6 °C24 March 1977	18.4 °C16 January 1977	27.7 °C	1,459 mm	343
1976	38.9 °C16 April 1976	13.4 °C17 January 1976	26.9 °C	1,677 mm	299
1975	38.9 °C16 April 1975	12.6 °C31 December 1975	26.9 °C	1,819 mm	299
1974	36.0 °C7 May 1974	14.2 °C3 January 1974	26.9 °C	1,779 mm	298
1973	38.0 °C10 April 1973	15.1 °C29 December 1973	27.4 °C	1,831 mm	298
1972	39.7 °C24 May 1972	15.5 °C23 January 1972	27.2 °C	2,017 mm	308
1971	35.5 °C7 April 1971	15.2 °C18 November 1971	26.4 °C	1,740 mm	270
1970	37.5 °C22 March 1970	17.3 °C22 January 1970	27.4 °C	1,351 mm	305
1969	38.7 °C20 May 1969	16.2 °C23 December 1969	27.6 °C	1,410 mm	292
1968	37.5 °C1 April 1968	17.3 °C13 January 1968	27.2 °C	1,212 mm	331
1967	36.8 °C3 April 1967	13.7 °C17 January 1967	26.7 °C	1,266 mm	278
1966	37.8 °C30 April 1966	18.2 °C4 December 1966	27.4 °C	1,655 mm	278
1965	38.3 °C29 April 1965	14.9 °C3 January 1965	27.2 °C	1,361 mm	316
1964	39.4 °C12 April 1964	16.2 °C26 December 1964	27.2 °C	1,535 mm	288
1963	38.6 °C1 May 1963	12.4 °C16 January 1963	26.8 °C	1,510 mm	309
1962	37.9 °C21 March 1962	15.0 °C28 January 1962	26.9 °C	1,486 mm	292
1961	39.0 °C26 March 1961	15.1 °C17 January 1961	27.2 °C	1,405 mm	299
1960	40.0 °C26 April 1960	15.0 °C3 January 1960	27.5 °C	1,464 mm	312
1959	38.7 °C17 June 1959	17.2 °C19 January 1959	27.5 °C	1,310 mm	315
1958	39.5 °C26 April 1958	17.5 °C7 December 1958	27.3 °C	1,338 mm	288
1957	37.8 °C15 May 1957	15.9 °C3 January 1957	27.1 °C	1,739 mm	315
1956	36.9 °C21 March 1956	13.4 °C19 January 1956	26.5 °C	1,755 mm	275
1955	38.5 °C18 April 1955	12.9 °C12 January 1955	26.8 °C	1,563 mm	290
1954	37.9 °C16 April 1954	15.5 °C17 December 1954	27.1 °C	1,271 mm	309
1953	35.3 °C28 March 1953	15.8 °C9 January 1953	26.7 °C	1,631 mm	293
1952	36.7 °C9 April 1952	15.3 °C23 January 1952	26.9 °C	1,596 mm	280
1951	38.7 °C10 April 1951	15.9 °C2 January 1951	27.3 °C	1,029 mm	304
1950	36.6 °C23 April 1950	17.1 °C20 December 1950	27.0 °C	1,170 mm	285
1949	36.7 °C15 March 1949	15.9 °C10 January 1949	26.9 °C	1,550 mm	283
1948	37.2 °C13 March 1948	16.6 °C2 January 1948	26.7 °C	1,369 mm	277
1947	37.9 °C11 June 1947	17.5 °C30 December 1947	27.3 °C	1,290 mm	315
1946	36.4 °C28 March 1946	16.2 °C8 January 1946	26.7 °C	1,229 mm	292
1945	35.6 °C23 March 1945	16.5 °C30 December 1945	26.1 °C	1,722 mm	228
1944	37.6 °C3 May 1944	15.7 °C21 December 1944	26.9 °C	1,528 mm	260
1943	36.8 °C25 March 1943	15.9 °C18 January 1943	25.8 °C	1,704 mm	228
1942	35.5 °C27 February 1942	16.0 °C19 December 1942	26.2 °C	1,523 mm	247
1941	36.0 °C11 March 1941	18.1 °C24 December 1941	26.5 °C	1,606 mm	260
1940	35.6 °C10 March 1940	13.5 °C4 January 1940	26.1 °C	1,654 mm	226

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

+0.3 °C

Hot days (≥ 30 °C)

333 d/yr

+21

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1659 mm

+127 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.4 °C	-0.5 °C	1 mm	-7 mm
Feb	34.3 °C	+0.7 °C	5 mm	-11 mm
Mar	35.3 °C	+0.3 °C	27 mm	-25 mm
Apr	35.4 °C	+0.4 °C	107 mm	+8 mm
May	33.4 °C	-0.4 °C	250 mm	+86 mm
Jun	32.6 °C	-0.2 °C	211 mm	+26 mm
Jul	32.9 °C	+0.8 °C	139 mm	-63 mm
Aug	32.7 °C	+0.9 °C	215 mm	-9 mm
Sep	31.1 °C	+0.1 °C	352 mm	+58 mm
Oct	31.6 °C	+0.8 °C	186 mm	-10 mm
Nov	30.3 °C	-0.4 °C	155 mm	+78 mm
Dec	31.5 °C	+0.8 °C	11 mm	-3 mm

The year's extremes

Hottest day

37.7 °C

5 Mar 2025

Coldest day

16.8 °C

13 Jan 2025

Wettest day

45.0 mm

10 Apr 2025

Windiest day

23.4 km/h

24 Feb 2025

Strongest gust

62.3 km/h

24 Feb 2025

Hottest feels-like

44.7 °C

13 Apr 2025

Coldest feels-like

16.2 °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 Thom?

Kampong Thom has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 1,532 mm of precipitation per year.

What is the hottest day ever recorded in Kampong Thom?

The hottest day measured in Kampong Thom between 1940 and 2025 was 18 May 2010, reaching 42.3 °C.

What is the coldest day in Kampong Thom?

The coldest day measured in Kampong Thom between 1940 and 2025 was 16 January 1963, at 12.4 °C.

Does it snow in Kampong Thom?

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

Has the climate of Kampong Thom warmed?

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

What is the wettest day in Kampong Thom?

The wettest day measured in Kampong Thom between 1940 and 2025 was 17 November 1980, with 185 mm of rain in 24 hours.

What was the windiest day in Kampong Thom?

The windiest day measured in Kampong Thom between 1940 and 2025 was 12 November 1973, with winds reaching 29.1 km/h.

What is the warmest month in Kampong Thom?

The warmest month in Kampong Thom is April (29.8 °C on average); the coldest is December (25.5 °C).

How much does it rain in Kampong Thom?

Kampong Thom receives on average 1,532 mm of precipitation per year, spread over about 192 rainy days.

Is it sunny in Kampong Thom?

Kampong Thom 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 Thom?

Yes: Kampong Thom has on average 345 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Kampong Thom?

In Kampong Thom, between 1940 and 2025, the highest apparent temperature reached 48.4 °C on 18 May 2010, and the lowest was 10.9 °C on 12 January 1955.

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