Banlung climate — normals and trends
Banlung (Cambodia) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.7 °C and it receives 2,185 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 March (29.1 °C on average) and the coldest is December (25.3 °C). Rainfall peaks in August.
Banlung averages 0 frost days, 270 hot days (≥ 30 °C) and 200 rainy days per year.
Banlung has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.7 °C (on 15 April 2010) and the coldest 11.3 °C (on 16 January 1963).
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
BanlungRatanakiri
- coords
- 13.74°, 106.99°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.7°C
Average daily high
31.9°C
Average daily low
22.9°C
Annual rainfall
2,185mm
Sunshine / day
9.6h
Mean relative humidity
75%
Average peak wind
10.5km/h
Seasonal range
3.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
270 d/yr
Rainy days (≥ 1 mm)
200 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.5 °C
Average feels-like low
26.3 °C
Average peak gust
29.4 km/h
Tropical nights (≥ 20 °C)
328 d/yr
Solar radiation
17.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.80 · 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
41.7 °C
15 April 2010
Coldest day
11.3 °C
16 January 1963
Wettest day
166 mm
3 October 2013
Windiest day
29.5 km/h
29 September 2009
Strongest gust
78.8 km/h
29 September 2009
Hottest feels-like
47.1 °C
29 April 2024
Coldest feels-like
9.5 °C
16 January 1963
Sunniest day
12.4 h
30 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 | 32.3 °C | -0.3 °C | 0 mm | -3 mm |
| Feb | 35.0 °C | +0.6 °C | 4 mm | -3 mm |
| Mar | 36.6 °C | +1.0 °C | 8 mm | -29 mm |
| Apr | 36.0 °C | +1.2 °C | 96 mm | -9 mm |
| May | 33.1 °C | +0.8 °C | 335 mm | +70 mm |
| Jun | 30.6 °C | -0.1 °C | 417 mm | +84 mm |
| Jul | 30.5 °C | +0.4 °C | 415 mm | +41 mm |
| Aug | 31.3 °C | +1.4 °C | 332 mm | -60 mm |
| Sep | 30.1 °C | +0.4 °C | 519 mm | +145 mm |
| Oct | 31.2 °C | +0.9 °C | 245 mm | +36 mm |
| Nov | 29.9 °C | -1.0 °C | 206 mm | +136 mm |
| Dec | 32.9 °C | +1.7 °C | 11 mm | -6 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 Banlung?
Banlung has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.7 °C and it receives 2,185 mm of precipitation per year.
What is the hottest day ever recorded in Banlung?
The hottest day measured in Banlung between 1940 and 2025 was 15 April 2010, reaching 41.7 °C.
What is the coldest day in Banlung?
The coldest day measured in Banlung between 1940 and 2025 was 16 January 1963, at 11.3 °C.
Does it snow in Banlung?
Almost never: Banlung sees virtually no snow, with about 0 frost days per year.
Has the climate of Banlung warmed?
Yes: Banlung warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Banlung?
The wettest day measured in Banlung between 1940 and 2025 was 3 October 2013, with 166 mm of rain in 24 hours.
What was the windiest day in Banlung?
The windiest day measured in Banlung between 1940 and 2025 was 29 September 2009, with winds reaching 29.5 km/h.
What is the warmest month in Banlung?
The warmest month in Banlung is March (29.1 °C on average); the coldest is December (25.3 °C).
How much does it rain in Banlung?
Banlung receives on average 2,185 mm of precipitation per year, spread over about 200 rainy days.
Is it sunny in Banlung?
Banlung gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
Are there tropical nights in Banlung?
Yes: Banlung has on average 328 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Banlung?
In Banlung, between 1940 and 2025, the highest apparent temperature reached 47.1 °C on 29 April 2024, and the lowest was 9.5 °C on 16 January 1963.
Compare Banlung with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Banlung