Ban Xénô climate — normals and trends

Q: What is the climate of Ban Xénô?

Ban Xénô has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 1,698 mm of precipitation per year.

Q: What is the hottest day ever recorded in Ban Xénô?

The hottest day measured in Ban Xénô between 1940 and 2025 was 30 April 2024, reaching 42.2 °C.

Q: What is the coldest day in Ban Xénô?

The coldest day measured in Ban Xénô between 1940 and 2025 was 12 January 1955, at 5.7 °C.

Q: Does it snow in Ban Xénô?

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

Q: Has the climate of Ban Xénô warmed?

Yes: Ban Xénô warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ban Xénô?

The wettest day measured in Ban Xénô between 1940 and 2025 was 27 July 2004, with 376 mm of rain in 24 hours.

Q: What was the windiest day in Ban Xénô?

The windiest day measured in Ban Xénô between 1940 and 2025 was 12 August 1978, with winds reaching 38.3 km/h.

Q: What is the warmest month in Ban Xénô?

The warmest month in Ban Xénô is April (28.1 °C on average); the coldest is January (21.6 °C).

Q: How much does it rain in Ban Xénô?

Ban Xénô receives on average 1,698 mm of precipitation per year, spread over about 169 rainy days.

Q: Is it sunny in Ban Xénô?

Ban Xénô gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Ban Xénô (Laos) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.5 °C and it receives 1,698 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 (28.1 °C on average) and the coldest is January (21.6 °C). Rainfall peaks in August.

Ban Xénô averages 0 frost days, 224 hot days (≥ 30 °C) and 169 rainy days per year.

Ban Xénô has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 42.2 °C (on 30 April 2024) and the coldest 5.7 °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

Ban XénôSavannakhet Province

coords: 16.68°, 104.99°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthJanuaryWettest monthAugustDriest monthJanuary

Mean daily temperature

25.5°C

Average daily high

30.6°C

Average daily low

21.8°C

Annual rainfall

1,698mm

Sunshine / day

9.8h

Mean relative humidity

77%

Average peak wind

14.1km/h

Seasonal range

6.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

224 d/yr

Rainy days (≥ 1 mm)

169 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.4 °C

Average feels-like low

24.3 °C

Average peak gust

33.9 km/h

Tropical nights (≥ 20 °C)

265 d/yr

Solar radiation

17.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.53 · 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

42.2 °C

30 April 2024

Coldest day

5.7 °C

12 January 1955

Wettest day

376 mm

27 July 2004

Windiest day

38.3 km/h

12 August 1978

Strongest gust

85.0 km/h

30 August 1990

Hottest feels-like

46.3 °C

21 April 2015

Coldest feels-like

1.7 °C

12 January 1955

Sunniest day

12.5 h

25 June 1956

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	37.9 °C15 March 2025	11.8 °C13 January 2025	26.0 °C	1,806 mm	228
2024	42.2 °C30 April 2024	14.2 °C24 January 2024	27.2 °C	1,531 mm	280
2023	39.9 °C6 May 2023	11.0 °C30 January 2023	26.7 °C	1,802 mm	265
2022	37.2 °C14 March 2022	12.3 °C21 February 2022	25.9 °C	1,941 mm	255
2021	37.5 °C12 April 2021	9.8 °C13 January 2021	26.3 °C	1,502 mm	253
2020	38.9 °C10 May 2020	12.9 °C21 December 2020	26.7 °C	1,445 mm	276
2019	39.5 °C24 April 2019	13.7 °C10 December 2019	27.3 °C	1,496 mm	301
2018	38.2 °C14 April 2018	11.7 °C6 February 2018	26.3 °C	1,828 mm	272
2017	38.2 °C4 May 2017	12.1 °C21 December 2017	26.1 °C	1,925 mm	239
2016	39.7 °C17 April 2016	9.4 °C25 January 2016	26.5 °C	1,542 mm	271
2015	39.2 °C20 April 2015	11.7 °C14 January 2015	26.8 °C	1,266 mm	278
2014	38.2 °C31 March 2014	10.6 °C24 January 2014	26.1 °C	1,364 mm	261
2013	38.5 °C5 April 2013	11.6 °C17 December 2013	25.8 °C	1,766 mm	241
2012	37.0 °C25 February 2012	13.4 °C20 February 2012	26.2 °C	1,457 mm	263
2011	36.6 °C21 March 2011	11.8 °C13 January 2011	24.9 °C	1,718 mm	196
2010	38.6 °C22 April 2010	12.8 °C27 December 2010	26.5 °C	1,618 mm	263
2009	37.2 °C23 February 2009	10.0 °C11 January 2009	25.8 °C	1,715 mm	260
2008	37.3 °C12 April 2008	11.6 °C15 February 2008	25.0 °C	1,696 mm	205
2007	38.1 °C2 April 2007	11.9 °C29 January 2007	25.9 °C	1,731 mm	244
2006	36.4 °C13 May 2006	11.9 °C10 January 2006	26.1 °C	1,619 mm	264
2005	38.2 °C6 May 2005	10.6 °C2 January 2005	25.8 °C	1,496 mm	238
2004	36.9 °C30 April 2004	10.8 °C25 January 2004	25.7 °C	1,726 mm	254
2003	37.4 °C7 May 2003	11.5 °C12 January 2003	26.0 °C	1,437 mm	255
2002	37.4 °C16 March 2002	14.0 °C3 February 2002	25.9 °C	1,921 mm	245
2001	39.7 °C21 April 2001	12.1 °C23 December 2001	25.9 °C	2,009 mm	243
2000	37.4 °C3 April 2000	11.1 °C2 February 2000	25.5 °C	1,863 mm	223
1999	38.8 °C19 March 1999	8.0 °C24 December 1999	25.4 °C	1,585 mm	223
1998	39.1 °C13 April 1998	13.9 °C17 December 1998	26.6 °C	1,262 mm	278
1997	37.8 °C8 May 1997	12.3 °C12 January 1997	25.9 °C	1,529 mm	241
1996	39.3 °C20 March 1996	11.3 °C21 February 1996	25.3 °C	1,617 mm	212
1995	37.6 °C17 March 1995	11.6 °C6 January 1995	25.6 °C	1,593 mm	222
1994	38.7 °C4 May 1994	11.7 °C24 January 1994	25.7 °C	1,604 mm	226
1993	37.3 °C4 April 1993	10.2 °C30 January 1993	25.3 °C	1,390 mm	227
1992	38.7 °C21 April 1992	11.2 °C17 January 1992	25.4 °C	1,724 mm	196
1991	38.7 °C19 April 1991	11.8 °C29 December 1991	26.1 °C	1,628 mm	236
1990	38.5 °C23 April 1990	13.4 °C24 January 1990	25.6 °C	2,111 mm	210
1989	38.2 °C22 April 1989	12.4 °C12 February 1989	25.5 °C	1,718 mm	238
1988	38.5 °C21 April 1988	13.0 °C12 December 1988	25.7 °C	1,452 mm	212
1987	38.0 °C12 April 1987	12.2 °C8 December 1987	26.1 °C	1,638 mm	252
1986	38.2 °C15 March 1986	9.5 °C2 March 1986	25.3 °C	2,105 mm	203
1985	37.7 °C13 April 1985	12.3 °C17 December 1985	25.3 °C	1,733 mm	208
1984	38.2 °C16 March 1984	9.7 °C10 January 1984	25.1 °C	1,900 mm	196
1983	39.2 °C9 April 1983	9.4 °C23 January 1983	25.6 °C	1,536 mm	228
1982	37.1 °C16 March 1982	8.1 °C30 December 1982	25.4 °C	1,688 mm	216
1981	38.0 °C25 March 1981	11.1 °C21 December 1981	25.4 °C	2,459 mm	211
1980	38.1 °C25 April 1980	12.4 °C25 December 1980	25.8 °C	2,085 mm	222
1979	38.7 °C2 April 1979	13.5 °C31 January 1979	26.0 °C	2,174 mm	263
1978	35.5 °C2 April 1978	11.8 °C23 January 1978	25.2 °C	2,757 mm	188
1977	38.1 °C7 June 1977	12.1 °C18 February 1977	25.2 °C	1,965 mm	221
1976	36.8 °C17 April 1976	10.1 °C16 January 1976	24.8 °C	1,646 mm	186
1975	38.1 °C29 April 1975	8.0 °C30 December 1975	25.0 °C	2,193 mm	189
1974	37.7 °C6 April 1974	8.2 °C2 January 1974	25.0 °C	2,168 mm	212
1973	40.0 °C11 April 1973	10.7 °C27 December 1973	25.7 °C	1,893 mm	215
1972	36.9 °C20 March 1972	11.3 °C15 January 1972	25.3 °C	2,047 mm	209
1971	37.4 °C22 April 1971	10.8 °C6 January 1971	24.6 °C	1,891 mm	177
1970	38.3 °C17 April 1970	11.4 °C20 January 1970	25.5 °C	1,361 mm	214
1969	38.6 °C25 April 1969	11.7 °C6 February 1969	25.8 °C	1,642 mm	235
1968	37.4 °C2 April 1968	11.1 °C6 January 1968	25.4 °C	1,602 mm	225
1967	37.7 °C29 March 1967	9.1 °C17 January 1967	24.9 °C	1,213 mm	201
1966	36.8 °C29 April 1966	12.5 °C1 January 1966	25.6 °C	1,666 mm	203
1965	37.2 °C4 April 1965	10.1 °C2 January 1965	25.4 °C	1,890 mm	229
1964	36.5 °C27 April 1964	10.2 °C19 December 1964	25.0 °C	2,337 mm	200
1963	37.0 °C23 April 1963	7.2 °C15 January 1963	24.6 °C	2,009 mm	204
1962	37.6 °C21 March 1962	9.8 °C28 January 1962	24.5 °C	1,916 mm	192
1961	37.0 °C24 March 1961	9.9 °C19 January 1961	25.3 °C	2,031 mm	214
1960	39.3 °C28 April 1960	8.7 °C3 January 1960	25.3 °C	2,083 mm	199
1959	37.7 °C11 April 1959	10.7 °C12 January 1959	25.5 °C	1,474 mm	242
1958	39.1 °C25 April 1958	11.3 °C2 February 1958	25.3 °C	1,781 mm	213
1957	39.6 °C23 April 1957	10.8 °C12 February 1957	25.5 °C	1,925 mm	226
1956	37.4 °C25 March 1956	9.3 °C30 December 1956	24.8 °C	1,689 mm	205
1955	39.4 °C18 April 1955	5.7 °C12 January 1955	25.0 °C	1,367 mm	216
1954	38.1 °C18 April 1954	9.9 °C17 December 1954	25.4 °C	1,232 mm	230
1953	35.0 °C22 July 1953	11.7 °C9 January 1953	25.1 °C	1,532 mm	201
1952	36.6 °C21 April 1952	10.8 °C10 December 1952	25.2 °C	1,937 mm	213
1951	38.3 °C10 April 1951	10.6 °C14 January 1951	25.3 °C	1,323 mm	208
1950	38.6 °C24 April 1950	12.1 °C18 December 1950	25.2 °C	1,342 mm	203
1949	38.0 °C23 March 1949	8.9 °C10 January 1949	25.6 °C	1,388 mm	211
1948	39.1 °C13 March 1948	11.6 °C2 January 1948	25.0 °C	1,548 mm	200
1947	37.7 °C17 April 1947	10.9 °C21 December 1947	25.4 °C	1,189 mm	229
1946	38.8 °C5 April 1946	10.3 °C8 January 1946	25.6 °C	898 mm	248
1945	37.5 °C4 March 1945	10.6 °C18 January 1945	24.4 °C	1,389 mm	185
1944	38.6 °C27 March 1944	9.8 °C22 December 1944	25.1 °C	1,561 mm	209
1943	37.5 °C23 March 1943	10.5 °C13 January 1943	24.4 °C	1,521 mm	172
1942	36.4 °C24 February 1942	12.1 °C18 December 1942	24.7 °C	1,344 mm	164
1941	37.5 °C1 March 1941	14.2 °C2 February 1941	25.2 °C	1,569 mm	169
1940	38.2 °C10 March 1940	11.7 °C25 January 1940	24.3 °C	1,972 mm	134

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

31.1 °C

+0.5 °C

Hot days (≥ 30 °C)

228 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1806 mm

+108 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.0 °C	-0.5 °C	0 mm	-5 mm
Feb	31.3 °C	+0.8 °C	1 mm	-13 mm
Mar	32.7 °C	-0.1 °C	15 mm	-26 mm
Apr	35.3 °C	+1.6 °C	56 mm	-22 mm
May	33.0 °C	+0.7 °C	176 mm	-24 mm
Jun	31.7 °C	+0.6 °C	245 mm	-19 mm
Jul	30.3 °C	-0.2 °C	394 mm	+98 mm
Aug	31.5 °C	+1.4 °C	341 mm	-10 mm
Sep	30.8 °C	+0.7 °C	304 mm	+4 mm
Oct	31.1 °C	+1.0 °C	171 mm	+53 mm
Nov	28.0 °C	-1.2 °C	105 mm	+77 mm
Dec	29.2 °C	+1.4 °C	1 mm	-5 mm

The year's extremes

Hottest day

37.9 °C

15 Mar 2025

Coldest day

11.8 °C

13 Jan 2025

Wettest day

101.7 mm

30 Aug 2025

Windiest day

31.9 km/h

26 Jan 2025

Strongest gust

69.1 km/h

26 Jan 2025

Hottest feels-like

44.0 °C

28 Apr 2025

Coldest feels-like

9.4 °C

13 Jan 2025

Sunniest day

12.2 h

23 Jun 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 Ban Xénô?

Ban Xénô has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 1,698 mm of precipitation per year.

What is the hottest day ever recorded in Ban Xénô?

The hottest day measured in Ban Xénô between 1940 and 2025 was 30 April 2024, reaching 42.2 °C.

What is the coldest day in Ban Xénô?

The coldest day measured in Ban Xénô between 1940 and 2025 was 12 January 1955, at 5.7 °C.

Does it snow in Ban Xénô?

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

Has the climate of Ban Xénô warmed?

Yes: Ban Xénô warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ban Xénô?

The wettest day measured in Ban Xénô between 1940 and 2025 was 27 July 2004, with 376 mm of rain in 24 hours.

What was the windiest day in Ban Xénô?

The windiest day measured in Ban Xénô between 1940 and 2025 was 12 August 1978, with winds reaching 38.3 km/h.

What is the warmest month in Ban Xénô?

The warmest month in Ban Xénô is April (28.1 °C on average); the coldest is January (21.6 °C).

How much does it rain in Ban Xénô?

Ban Xénô receives on average 1,698 mm of precipitation per year, spread over about 169 rainy days.

Is it sunny in Ban Xénô?

Ban Xénô gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Are there tropical nights in Ban Xénô?

Yes: Ban Xénô has on average 265 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ban Xénô?

In Ban Xénô, between 1940 and 2025, the highest apparent temperature reached 46.3 °C on 21 April 2015, and the lowest was 1.7 °C on 12 January 1955.

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