Pakxan climate — normals and trends

Q: What is the climate of Pakxan?

Pakxan has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 24.6 °C and it receives 2,406 mm of precipitation per year.

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

The hottest day measured in Pakxan between 1940 and 2025 was 6 May 2023, reaching 40.6 °C.

Q: What is the coldest day in Pakxan?

The coldest day measured in Pakxan between 1940 and 2025 was 12 January 1955, at 2.0 °C.

Q: Does it snow in Pakxan?

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

Q: Has the climate of Pakxan warmed?

Yes: Pakxan warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Pakxan?

The wettest day measured in Pakxan between 1940 and 2025 was 19 August 1941, with 186 mm of rain in 24 hours.

Q: What was the windiest day in Pakxan?

The windiest day measured in Pakxan between 1940 and 2025 was 23 August 1987, with winds reaching 30.7 km/h.

Q: What is the warmest month in Pakxan?

The warmest month in Pakxan is April (26.8 °C on average); the coldest is January (20.4 °C).

Q: How much does it rain in Pakxan?

Pakxan receives on average 2,406 mm of precipitation per year, spread over about 186 rainy days.

Q: Is it sunny in Pakxan?

Pakxan gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Pakxan (Laos) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 24.6 °C and it receives 2,406 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 (26.8 °C on average) and the coldest is January (20.4 °C). Rainfall peaks in August.

Pakxan averages 0 frost days, 192 hot days (≥ 30 °C) and 186 rainy days per year.

Pakxan has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.6 °C (on 6 May 2023) and the coldest 2.0 °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

PakxanBolikhamsai

coords: 18.39°, 103.66°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthAprilColdest monthJanuaryWettest monthAugustDriest monthDecember

Mean daily temperature

24.6°C

Average daily high

29.9°C

Average daily low

20.6°C

Annual rainfall

2,406mm

Sunshine / day

9.1h

Mean relative humidity

79%

Average peak wind

8.4km/h

Seasonal range

6.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

192 d/yr

Rainy days (≥ 1 mm)

186 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.3 °C

Average feels-like low

23.7 °C

Average peak gust

26.3 km/h

Tropical nights (≥ 20 °C)

237 d/yr

Solar radiation

16.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.65 · 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

40.6 °C

6 May 2023

Coldest day

2.0 °C

12 January 1955

Wettest day

186 mm

19 August 1941

Windiest day

30.7 km/h

23 August 1987

Strongest gust

79.2 km/h

23 August 1987

Hottest feels-like

46.7 °C

7 May 2023

Coldest feels-like

-1.4 °C

2 January 1974

Sunniest day

12.8 h

24 June 1956

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	36.5 °C8 April 2025	6.9 °C13 January 2025	25.2 °C	2,433 mm	226
2024	40.3 °C27 April 2024	11.7 °C30 December 2024	26.1 °C	2,228 mm	261
2023	40.6 °C6 May 2023	7.7 °C30 January 2023	26.1 °C	2,486 mm	265
2022	35.7 °C28 April 2022	9.6 °C20 December 2022	25.6 °C	2,280 mm	251
2021	37.0 °C9 May 2021	8.1 °C3 January 2021	25.6 °C	1,988 mm	243
2020	39.4 °C6 May 2020	11.9 °C22 December 2020	25.7 °C	2,002 mm	251
2019	39.3 °C24 April 2019	7.6 °C10 December 2019	26.2 °C	1,880 mm	284
2018	37.5 °C24 April 2018	11.2 °C7 February 2018	25.4 °C	2,719 mm	244
2017	38.6 °C14 March 2017	8.7 °C21 December 2017	25.7 °C	2,647 mm	239
2016	38.7 °C14 April 2016	6.8 °C8 February 2016	25.6 °C	2,406 mm	244
2015	39.3 °C20 April 2015	8.1 °C14 January 2015	25.7 °C	2,225 mm	255
2014	37.6 °C1 April 2014	5.5 °C23 January 2014	25.1 °C	2,403 mm	227
2013	36.7 °C29 March 2013	8.6 °C28 December 2013	25.0 °C	2,479 mm	220
2012	35.9 °C23 November 2012	12.5 °C17 January 2012	25.5 °C	2,291 mm	231
2011	35.6 °C3 May 2011	9.1 °C26 December 2011	24.3 °C	2,769 mm	182
2010	37.4 °C14 April 2010	12.1 °C19 January 2010	25.3 °C	2,489 mm	221
2009	35.8 °C20 February 2009	6.2 °C11 January 2009	25.1 °C	2,018 mm	230
2008	34.4 °C12 April 2008	7.6 °C3 January 2008	24.2 °C	2,666 mm	160
2007	38.5 °C24 April 2007	8.7 °C29 January 2007	25.1 °C	2,016 mm	213
2006	37.5 °C6 April 2006	7.6 °C23 December 2006	25.3 °C	2,181 mm	238
2005	36.7 °C9 April 2005	8.9 °C2 January 2005	25.1 °C	2,749 mm	214
2004	36.1 °C29 March 2004	9.5 °C25 January 2004	24.6 °C	2,256 mm	194
2003	38.9 °C7 May 2003	8.8 °C22 December 2003	25.2 °C	2,208 mm	235
2002	37.1 °C21 April 2002	10.5 °C6 January 2002	25.1 °C	3,095 mm	210
2001	38.0 °C10 April 2001	9.4 °C25 December 2001	25.0 °C	2,631 mm	193
2000	37.2 °C3 April 2000	8.3 °C2 February 2000	24.6 °C	2,575 mm	182
1999	35.9 °C18 March 1999	3.6 °C25 December 1999	24.7 °C	2,288 mm	190
1998	38.4 °C14 April 1998	12.1 °C13 December 1998	25.7 °C	1,922 mm	256
1997	34.6 °C5 May 1997	10.6 °C12 January 1997	24.7 °C	2,595 mm	169
1996	36.2 °C20 March 1996	6.6 °C1 January 1996	24.3 °C	2,552 mm	157
1995	37.1 °C17 March 1995	8.0 °C30 December 1995	24.6 °C	2,611 mm	197
1994	36.5 °C3 May 1994	11.8 °C24 January 1994	24.5 °C	3,000 mm	169
1993	36.8 °C2 May 1993	6.3 °C31 January 1993	24.4 °C	2,336 mm	208
1992	37.9 °C21 April 1992	9.4 °C15 January 1992	24.4 °C	2,186 mm	190
1991	37.0 °C19 April 1991	11.0 °C29 December 1991	25.0 °C	2,215 mm	199
1990	37.8 °C23 April 1990	10.1 °C5 December 1990	24.7 °C	2,462 mm	168
1989	38.5 °C22 April 1989	8.8 °C3 December 1989	24.6 °C	2,316 mm	194
1988	38.4 °C22 April 1988	9.7 °C12 December 1988	24.8 °C	2,294 mm	181
1987	37.0 °C25 March 1987	7.1 °C8 December 1987	24.8 °C	2,524 mm	191
1986	37.1 °C18 March 1986	7.6 °C8 January 1986	24.5 °C	2,677 mm	181
1985	36.9 °C10 April 1985	7.8 °C24 December 1985	24.5 °C	2,240 mm	176
1984	37.7 °C20 March 1984	7.8 °C10 January 1984	24.3 °C	2,456 mm	157
1983	37.8 °C15 April 1983	7.2 °C24 January 1983	24.2 °C	2,431 mm	180
1982	35.7 °C15 March 1982	5.2 °C29 December 1982	24.3 °C	2,875 mm	176
1981	36.0 °C25 March 1981	8.5 °C14 January 1981	24.4 °C	3,120 mm	161
1980	37.7 °C24 April 1980	10.4 °C24 December 1980	24.9 °C	2,473 mm	215
1979	36.7 °C7 April 1979	10.8 °C28 December 1979	24.6 °C	2,246 mm	204
1978	35.7 °C9 March 1978	9.4 °C16 December 1978	24.3 °C	3,047 mm	157
1977	34.8 °C18 March 1977	10.7 °C5 March 1977	24.1 °C	2,288 mm	179
1976	36.5 °C17 April 1976	5.8 °C1 January 1976	23.9 °C	2,662 mm	160
1975	37.7 °C28 April 1975	3.3 °C30 December 1975	24.2 °C	2,829 mm	169
1974	37.2 °C6 April 1974	2.1 °C2 January 1974	24.2 °C	2,676 mm	165
1973	40.2 °C8 April 1973	5.5 °C27 December 1973	24.8 °C	2,864 mm	215
1972	37.4 °C21 April 1972	9.2 °C16 January 1972	24.6 °C	2,875 mm	197
1971	38.2 °C11 May 1971	6.5 °C10 January 1971	24.0 °C	2,443 mm	172
1970	36.7 °C12 March 1970	10.7 °C1 February 1970	24.7 °C	2,382 mm	179
1969	37.7 °C29 March 1969	7.9 °C11 December 1969	24.6 °C	2,341 mm	189
1968	35.9 °C23 March 1968	8.5 °C5 January 1968	24.6 °C	2,174 mm	209
1967	37.8 °C31 March 1967	4.9 °C18 January 1967	24.1 °C	2,200 mm	172
1966	35.1 °C7 March 1966	9.6 °C2 January 1966	24.6 °C	2,283 mm	181
1965	35.7 °C2 April 1965	7.9 °C19 January 1965	24.4 °C	2,512 mm	191
1964	34.3 °C20 March 1964	7.0 °C19 December 1964	23.9 °C	2,410 mm	155
1963	34.8 °C22 April 1963	4.8 °C16 January 1963	23.7 °C	2,883 mm	143
1962	35.7 °C22 March 1962	6.4 °C6 December 1962	23.7 °C	2,304 mm	159
1961	35.1 °C8 April 1961	4.0 °C19 January 1961	24.2 °C	2,918 mm	176
1960	38.0 °C28 April 1960	6.0 °C3 January 1960	24.4 °C	2,438 mm	175
1959	35.7 °C10 April 1959	8.7 °C14 January 1959	24.4 °C	2,270 mm	189
1958	40.1 °C25 April 1958	8.9 °C5 December 1958	24.4 °C	2,456 mm	180
1957	39.1 °C25 April 1957	9.2 °C14 February 1957	24.6 °C	2,659 mm	208
1956	37.8 °C25 March 1956	7.1 °C17 January 1956	24.0 °C	2,360 mm	181
1955	40.4 °C18 April 1955	2.0 °C12 January 1955	23.9 °C	2,103 mm	188
1954	37.6 °C18 April 1954	5.2 °C17 December 1954	24.4 °C	1,702 mm	207
1953	34.2 °C22 July 1953	7.9 °C13 December 1953	24.2 °C	2,415 mm	167
1952	35.6 °C12 April 1952	6.8 °C13 December 1952	24.1 °C	2,646 mm	159
1951	38.2 °C10 April 1951	10.9 °C16 January 1951	24.1 °C	2,345 mm	150
1950	39.2 °C24 April 1950	10.3 °C25 December 1950	24.1 °C	2,295 mm	137
1949	36.7 °C14 June 1949	6.7 °C16 January 1949	24.6 °C	2,003 mm	196
1948	38.4 °C13 March 1948	6.5 °C4 January 1948	23.9 °C	2,233 mm	170
1947	37.6 °C7 May 1947	7.6 °C31 December 1947	24.3 °C	1,732 mm	210
1946	38.5 °C19 March 1946	6.8 °C8 January 1946	24.5 °C	1,320 mm	203
1945	36.3 °C19 April 1945	6.9 °C18 January 1945	23.8 °C	2,160 mm	169
1944	38.5 °C27 March 1944	5.4 °C22 December 1944	24.3 °C	2,253 mm	163
1943	37.5 °C25 March 1943	7.7 °C13 January 1943	23.5 °C	2,298 mm	133
1942	36.9 °C24 March 1942	8.4 °C16 December 1942	23.8 °C	2,219 mm	118
1941	38.3 °C23 March 1941	11.6 °C3 February 1941	24.1 °C	2,639 mm	129
1940	36.9 °C10 March 1940	7.8 °C3 January 1940	23.4 °C	2,346 mm	105

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

30.7 °C

+0.8 °C

Hot days (≥ 30 °C)

226 d/yr

+34

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2433 mm

+27 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.5 °C	-0.1 °C	0 mm	-10 mm
Feb	30.1 °C	+0.7 °C	20 mm	+1 mm
Mar	32.0 °C	+0.3 °C	11 mm	-37 mm
Apr	33.7 °C	+1.1 °C	56 mm	-48 mm
May	32.7 °C	+1.6 °C	239 mm	-55 mm
Jun	31.2 °C	+1.1 °C	434 mm	-13 mm
Jul	29.3 °C	-0.4 °C	620 mm	+130 mm
Aug	31.0 °C	+1.6 °C	454 mm	-69 mm
Sep	30.9 °C	+0.9 °C	466 mm	+116 mm
Oct	31.5 °C	+1.0 °C	91 mm	-8 mm
Nov	28.8 °C	-0.8 °C	36 mm	+19 mm
Dec	29.6 °C	+2.0 °C	8 mm	+3 mm

The year's extremes

Hottest day

36.5 °C

8 Apr 2025

Coldest day

6.9 °C

13 Jan 2025

Wettest day

115.6 mm

29 Sep 2025

Windiest day

21.2 km/h

26 Jan 2025

Strongest gust

53.3 km/h

26 Jan 2025

Hottest feels-like

43.4 °C

6 May 2025

Coldest feels-like

5.1 °C

13 Jan 2025

Sunniest day

12.5 h

18 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 Pakxan?

Pakxan has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 24.6 °C and it receives 2,406 mm of precipitation per year.

What is the hottest day ever recorded in Pakxan?

The hottest day measured in Pakxan between 1940 and 2025 was 6 May 2023, reaching 40.6 °C.

What is the coldest day in Pakxan?

The coldest day measured in Pakxan between 1940 and 2025 was 12 January 1955, at 2.0 °C.

Does it snow in Pakxan?

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

Has the climate of Pakxan warmed?

Yes: Pakxan warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Pakxan?

The wettest day measured in Pakxan between 1940 and 2025 was 19 August 1941, with 186 mm of rain in 24 hours.

What was the windiest day in Pakxan?

The windiest day measured in Pakxan between 1940 and 2025 was 23 August 1987, with winds reaching 30.7 km/h.

What is the warmest month in Pakxan?

The warmest month in Pakxan is April (26.8 °C on average); the coldest is January (20.4 °C).

How much does it rain in Pakxan?

Pakxan receives on average 2,406 mm of precipitation per year, spread over about 186 rainy days.

Is it sunny in Pakxan?

Pakxan gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Are there tropical nights in Pakxan?

Yes: Pakxan has on average 237 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Pakxan?

In Pakxan, between 1940 and 2025, the highest apparent temperature reached 46.7 °C on 7 May 2023, and the lowest was -1.4 °C on 2 January 1974.

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