Suong climate — normals and trends
Suong (Cambodia) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.6 °C and it receives 1,554 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 (29.7 °C on average) and the coldest is December (26.1 °C). Rainfall peaks in September.
Suong averages 0 frost days, 309 hot days (≥ 30 °C) and 195 rainy days per year.
Suong has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.7 °C (on 18 May 2010) and the coldest 14.8 °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
SuongTboung Khmum
- coords
- 11.91°, 105.66°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.6°C
Average daily high
32.2°C
Average daily low
24.2°C
Annual rainfall
1,554mm
Sunshine / day
10.3h
Mean relative humidity
75%
Average peak wind
12.4km/h
Seasonal range
3.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
309 d/yr
Rainy days (≥ 1 mm)
195 d/yr
Annual snowfall
0.0 cm
Average feels-like high
37.4 °C
Average feels-like low
27.9 °C
Average peak gust
29.6 km/h
Tropical nights (≥ 20 °C)
353 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.78 · 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
18 May 2010
Coldest day
14.8 °C
12 January 1955
Wettest day
166 mm
13 September 1987
Windiest day
31.1 km/h
18 December 2022
Strongest gust
67.3 km/h
12 November 2003
Hottest feels-like
47.8 °C
18 May 2010
Coldest feels-like
11.1 °C
12 January 1955
Sunniest day
12.2 h
5 June 1940
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 | 31.8 °C | -0.3 °C | 1 mm | -10 mm |
| Feb | 34.1 °C | +0.4 °C | 7 mm | -9 mm |
| Mar | 34.8 °C | 0.0 °C | 27 mm | -17 mm |
| Apr | 34.6 °C | -0.2 °C | 121 mm | +21 mm |
| May | 33.4 °C | 0.0 °C | 246 mm | +76 mm |
| Jun | 32.3 °C | 0.0 °C | 193 mm | +9 mm |
| Jul | 32.5 °C | +0.9 °C | 141 mm | -63 mm |
| Aug | 32.5 °C | +1.1 °C | 230 mm | +6 mm |
| Sep | 31.4 °C | +0.6 °C | 295 mm | +12 mm |
| Oct | 31.3 °C | +0.7 °C | 151 mm | -62 mm |
| Nov | 30.2 °C | -0.4 °C | 112 mm | +26 mm |
| Dec | 31.0 °C | +0.2 °C | 20 mm | -1 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 Suong?
Suong has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 1,554 mm of precipitation per year.
What is the hottest day ever recorded in Suong?
The hottest day measured in Suong between 1940 and 2025 was 18 May 2010, reaching 41.7 °C.
What is the coldest day in Suong?
The coldest day measured in Suong between 1940 and 2025 was 12 January 1955, at 14.8 °C.
Does it snow in Suong?
Almost never: Suong sees virtually no snow, with about 0 frost days per year.
Has the climate of Suong warmed?
Yes: Suong warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Suong?
The wettest day measured in Suong between 1940 and 2025 was 13 September 1987, with 166 mm of rain in 24 hours.
What was the windiest day in Suong?
The windiest day measured in Suong between 1940 and 2025 was 18 December 2022, with winds reaching 31.1 km/h.
What is the warmest month in Suong?
The warmest month in Suong is April (29.7 °C on average); the coldest is December (26.1 °C).
How much does it rain in Suong?
Suong receives on average 1,554 mm of precipitation per year, spread over about 195 rainy days.
Is it sunny in Suong?
Suong gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Suong?
Yes: Suong has on average 353 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Suong?
In Suong, between 1940 and 2025, the highest apparent temperature reached 47.8 °C on 18 May 2010, and the lowest was 11.1 °C on 12 January 1955.
Compare Suong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Suong