Pakse climate — normals and trends
Pakse (Laos) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.2 °C and it receives 1,965 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 (28.8 °C on average) and the coldest is December (23.6 °C). Rainfall peaks in August.
Pakse averages 0 frost days, 242 hot days (≥ 30 °C) and 181 rainy days per year.
Pakse has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.1 °C (on 7 May 2023) and the coldest 6.8 °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
PakseChampasak Province
- coords
- 15.12°, 105.80°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.2°C
Average daily high
31.1°C
Average daily low
22.2°C
Annual rainfall
1,965mm
Sunshine / day
9.7h
Mean relative humidity
78%
Average peak wind
8.8km/h
Seasonal range
5.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
242 d/yr
Rainy days (≥ 1 mm)
181 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.1 °C
Average feels-like low
25.8 °C
Average peak gust
28.0 km/h
Tropical nights (≥ 20 °C)
291 d/yr
Solar radiation
17.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.72 · 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).
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
40.1 °C
7 May 2023
Coldest day
6.8 °C
12 January 1955
Wettest day
291 mm
8 July 2015
Windiest day
27.9 km/h
29 October 1970
Strongest gust
92.2 km/h
28 October 2020
Hottest feels-like
46.6 °C
29 April 2024
Coldest feels-like
4.9 °C
12 January 1955
Sunniest day
12.3 h
29 May 1952
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?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 30.8 °C | +0.2 °C | 0 mm | -2 mm |
| Feb | 33.4 °C | +1.1 °C | 2 mm | -5 mm |
| Mar | 34.4 °C | +0.5 °C | 5 mm | -22 mm |
| Apr | 35.3 °C | +1.2 °C | 55 mm | -4 mm |
| May | 33.4 °C | +1.0 °C | 130 mm | -44 mm |
| Jun | 31.1 °C | +0.5 °C | 408 mm | +57 mm |
| Jul | 30.4 °C | +0.4 °C | 501 mm | +101 mm |
| Aug | 31.0 °C | +1.3 °C | 312 mm | -125 mm |
| Sep | 30.2 °C | +0.7 °C | 368 mm | +36 mm |
| Oct | 30.8 °C | +0.9 °C | 209 mm | +74 mm |
| Nov | 29.7 °C | -0.3 °C | 121 mm | +84 mm |
| Dec | 31.8 °C | +2.1 °C | 1 mm | -5 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Pakse?
Pakse has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.2 °C and it receives 1,965 mm of precipitation per year.
What is the hottest day ever recorded in Pakse?
The hottest day measured in Pakse between 1940 and 2025 was 7 May 2023, reaching 40.1 °C.
What is the coldest day in Pakse?
The coldest day measured in Pakse between 1940 and 2025 was 12 January 1955, at 6.8 °C.
Does it snow in Pakse?
Almost never: Pakse sees virtually no snow, with about 0 frost days per year.
Has the climate of Pakse warmed?
Yes: Pakse warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pakse?
The wettest day measured in Pakse between 1940 and 2025 was 8 July 2015, with 291 mm of rain in 24 hours.
What was the windiest day in Pakse?
The windiest day measured in Pakse between 1940 and 2025 was 29 October 1970, with winds reaching 27.9 km/h.
What is the warmest month in Pakse?
The warmest month in Pakse is April (28.8 °C on average); the coldest is December (23.6 °C).
How much does it rain in Pakse?
Pakse receives on average 1,965 mm of precipitation per year, spread over about 181 rainy days.
Is it sunny in Pakse?
Pakse gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Pakse?
Yes: Pakse has on average 291 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pakse?
In Pakse, between 1940 and 2025, the highest apparent temperature reached 46.6 °C on 29 April 2024, and the lowest was 4.9 °C on 12 January 1955.
Compare Pakse with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pakse