Ban Xénô climate — normals and trends
Ban Xénô has a tropical savanna climate, averaging 25.5 °C annually with 1,698 mm of rain per year.
Climate normals · ERA5
Ban XénôSavannakhet Province
- coords
- 16.68°, 104.99°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
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?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.53 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
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
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
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
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
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.
Compare Ban Xénô with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ban Xénô
Other cities — Laos
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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