Wang Saphung climate — normals and trends
Wang Saphung (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.7 °C and it receives 1,440 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 (27.0 °C on average) and the coldest is December (20.5 °C). Rainfall peaks in September.
Wang Saphung averages 0 frost days, 184 hot days (≥ 30 °C) and 171 rainy days per year.
Wang Saphung 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 39.8 °C (on 25 April 1958) and the coldest 4.5 °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
Wang SaphungLoei
- coords
- 17.30°, 101.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.7°C
Average daily high
29.8°C
Average daily low
20.7°C
Annual rainfall
1,440mm
Sunshine / day
9.7h
Mean relative humidity
76%
Average peak wind
8.7km/h
Seasonal range
6.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
184 d/yr
Rainy days (≥ 1 mm)
171 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.7 °C
Average feels-like low
23.6 °C
Average peak gust
27.0 km/h
Tropical nights (≥ 20 °C)
246 d/yr
Solar radiation
17.8 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
39.8 °C
25 April 1958
Coldest day
4.5 °C
12 January 1955
Wettest day
144 mm
27 May 1989
Windiest day
24.8 km/h
26 October 1943
Strongest gust
66.2 km/h
19 September 2020
Hottest feels-like
45.8 °C
15 April 1953
Coldest feels-like
1.4 °C
12 January 1955
Sunniest day
12.8 h
26 June 1941
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 | 26.8 °C | -0.6 °C | 0 mm | -12 mm |
| Feb | 30.1 °C | +0.1 °C | 50 mm | +29 mm |
| Mar | 32.0 °C | -0.3 °C | 11 mm | -48 mm |
| Apr | 33.3 °C | +0.5 °C | 90 mm | -27 mm |
| May | 31.9 °C | +0.4 °C | 254 mm | +29 mm |
| Jun | 31.8 °C | +0.8 °C | 174 mm | +7 mm |
| Jul | 30.3 °C | -0.2 °C | 182 mm | +12 mm |
| Aug | 31.1 °C | +1.1 °C | 295 mm | +66 mm |
| Sep | 30.5 °C | +0.9 °C | 250 mm | -24 mm |
| Oct | 30.0 °C | +1.2 °C | 79 mm | -50 mm |
| Nov | 26.7 °C | -0.7 °C | 105 mm | +76 mm |
| Dec | 26.9 °C | +0.7 °C | 19 mm | +12 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 Wang Saphung?
Wang Saphung has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.7 °C and it receives 1,440 mm of precipitation per year.
What is the hottest day ever recorded in Wang Saphung?
The hottest day measured in Wang Saphung between 1940 and 2025 was 25 April 1958, reaching 39.8 °C.
What is the coldest day in Wang Saphung?
The coldest day measured in Wang Saphung between 1940 and 2025 was 12 January 1955, at 4.5 °C.
Does it snow in Wang Saphung?
Almost never: Wang Saphung sees virtually no snow, with about 0 frost days per year.
Has the climate of Wang Saphung warmed?
Yes: Wang Saphung warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Wang Saphung?
The wettest day measured in Wang Saphung between 1940 and 2025 was 27 May 1989, with 144 mm of rain in 24 hours.
What was the windiest day in Wang Saphung?
The windiest day measured in Wang Saphung between 1940 and 2025 was 26 October 1943, with winds reaching 24.8 km/h.
What is the warmest month in Wang Saphung?
The warmest month in Wang Saphung is April (27.0 °C on average); the coldest is December (20.5 °C).
How much does it rain in Wang Saphung?
Wang Saphung receives on average 1,440 mm of precipitation per year, spread over about 171 rainy days.
Is it sunny in Wang Saphung?
Wang Saphung gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Wang Saphung?
Yes: Wang Saphung has on average 246 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Wang Saphung?
In Wang Saphung, between 1940 and 2025, the highest apparent temperature reached 45.8 °C on 15 April 1953, and the lowest was 1.4 °C on 12 January 1955.
Compare Wang Saphung with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Wang Saphung