Luang Prabang climate — normals and trends
Luang Prabang (Laos) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 22.7 °C and it receives 1,362 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 June (25.5 °C on average) and the coldest is December (17.9 °C). Rainfall peaks in August.
Luang Prabang averages 0 frost days, 107 hot days (≥ 30 °C) and 164 rainy days per year.
Luang Prabang has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.6 °C (on 19 May 2019) and the coldest 2.2 °C (on 31 December 1975).
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
Luang PrabangLuang Prabang Province
- coords
- 19.89°, 102.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.7°C
Average daily high
28.0°C
Average daily low
18.7°C
Annual rainfall
1,362mm
Sunshine / day
9.4h
Mean relative humidity
78%
Average peak wind
7.6km/h
Seasonal range
7.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
107 d/yr
Rainy days (≥ 1 mm)
164 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.0 °C
Average feels-like low
21.1 °C
Average peak gust
30.9 km/h
Tropical nights (≥ 20 °C)
182 d/yr
Solar radiation
17.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.71 · 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
38.6 °C
19 May 2019
Coldest day
2.2 °C
31 December 1975
Wettest day
216 mm
13 July 1993
Windiest day
17.7 km/h
9 November 1990
Strongest gust
89.3 km/h
4 September 1951
Hottest feels-like
42.7 °C
7 May 2023
Coldest feels-like
-0.4 °C
25 December 1999
Sunniest day
12.9 h
3 July 1943
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 | 24.5 °C | -0.2 °C | 1 mm | -15 mm |
| Feb | 28.5 °C | +1.1 °C | 4 mm | -11 mm |
| Mar | 31.2 °C | +1.3 °C | 2 mm | -37 mm |
| Apr | 30.6 °C | -0.3 °C | 92 mm | +9 mm |
| May | 30.6 °C | +0.3 °C | 168 mm | +21 mm |
| Jun | 30.7 °C | +1.1 °C | 154 mm | -34 mm |
| Jul | 28.0 °C | -0.9 °C | 601 mm | +360 mm |
| Aug | 29.8 °C | +1.3 °C | 280 mm | -11 mm |
| Sep | 29.8 °C | +1.4 °C | 301 mm | +82 mm |
| Oct | 28.6 °C | +1.2 °C | 56 mm | -29 mm |
| Nov | 25.2 °C | -0.6 °C | 39 mm | +14 mm |
| Dec | 24.9 °C | +1.0 °C | 16 mm | +4 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 Luang Prabang?
Luang Prabang has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 22.7 °C and it receives 1,362 mm of precipitation per year.
What is the hottest day ever recorded in Luang Prabang?
The hottest day measured in Luang Prabang between 1940 and 2025 was 19 May 2019, reaching 38.6 °C.
What is the coldest day in Luang Prabang?
The coldest day measured in Luang Prabang between 1940 and 2025 was 31 December 1975, at 2.2 °C.
Does it snow in Luang Prabang?
Almost never: Luang Prabang sees virtually no snow, with about 0 frost days per year.
Has the climate of Luang Prabang warmed?
Yes: Luang Prabang warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Luang Prabang?
The wettest day measured in Luang Prabang between 1940 and 2025 was 13 July 1993, with 216 mm of rain in 24 hours.
What was the windiest day in Luang Prabang?
The windiest day measured in Luang Prabang between 1940 and 2025 was 9 November 1990, with winds reaching 17.7 km/h.
What is the warmest month in Luang Prabang?
The warmest month in Luang Prabang is June (25.5 °C on average); the coldest is December (17.9 °C).
How much does it rain in Luang Prabang?
Luang Prabang receives on average 1,362 mm of precipitation per year, spread over about 164 rainy days.
Is it sunny in Luang Prabang?
Luang Prabang gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
Are there tropical nights in Luang Prabang?
Yes: Luang Prabang has on average 182 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Luang Prabang?
In Luang Prabang, between 1940 and 2025, the highest apparent temperature reached 42.7 °C on 7 May 2023, and the lowest was -0.4 °C on 25 December 1999.
Compare Luang Prabang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Luang Prabang