Satun climate — normals and trends
Satun (Thailand) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 27.0 °C and it receives 1,963 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 (27.7 °C on average) and the coldest is December (26.1 °C). Rainfall peaks in October.
Satun averages 0 frost days, 110 hot days (≥ 30 °C) and 247 rainy days per year.
Satun has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.6 °C (on 22 March 1998) and the coldest 21.2 °C (on 4 January 1957).
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
SatunSatun
- coords
- 6.62°, 100.07°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.0°C
Average daily high
29.4°C
Average daily low
25.2°C
Annual rainfall
1,963mm
Sunshine / day
10.1h
Mean relative humidity
81%
Average peak wind
15.0km/h
Seasonal range
1.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
110 d/yr
Rainy days (≥ 1 mm)
247 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.6 °C
Average feels-like low
29.4 °C
Average peak gust
26.2 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.64 · 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
35.6 °C
22 March 1998
Coldest day
21.2 °C
4 January 1957
Wettest day
300 mm
21 November 2025
Windiest day
33.8 km/h
25 February 2016
Strongest gust
67.3 km/h
24 June 1961
Hottest feels-like
41.9 °C
31 March 2016
Coldest feels-like
22.5 °C
19 January 1976
Sunniest day
12.4 h
21 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 | 30.1 °C | +0.4 °C | 43 mm | +9 mm |
| Feb | 31.4 °C | +0.4 °C | 35 mm | -3 mm |
| Mar | 31.7 °C | +0.6 °C | 67 mm | -26 mm |
| Apr | 30.3 °C | 0.0 °C | 244 mm | +77 mm |
| May | 30.0 °C | +0.4 °C | 246 mm | +23 mm |
| Jun | 29.8 °C | +0.4 °C | 150 mm | -20 mm |
| Jul | 30.5 °C | +1.6 °C | 90 mm | -103 mm |
| Aug | 29.4 °C | +0.7 °C | 191 mm | -32 mm |
| Sep | 29.2 °C | +0.9 °C | 212 mm | -57 mm |
| Oct | 28.8 °C | +0.6 °C | 240 mm | -33 mm |
| Nov | 28.0 °C | -0.4 °C | 772 mm | +577 mm |
| Dec | 29.8 °C | +1.2 °C | 21 mm | -65 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 Satun?
Satun has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.0 °C and it receives 1,963 mm of precipitation per year.
What is the hottest day ever recorded in Satun?
The hottest day measured in Satun between 1940 and 2025 was 22 March 1998, reaching 35.6 °C.
What is the coldest day in Satun?
The coldest day measured in Satun between 1940 and 2025 was 4 January 1957, at 21.2 °C.
Does it snow in Satun?
Almost never: Satun sees virtually no snow, with about 0 frost days per year.
Has the climate of Satun warmed?
Yes: Satun warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Satun?
The wettest day measured in Satun between 1940 and 2025 was 21 November 2025, with 300 mm of rain in 24 hours.
What was the windiest day in Satun?
The windiest day measured in Satun between 1940 and 2025 was 25 February 2016, with winds reaching 33.8 km/h.
What is the warmest month in Satun?
The warmest month in Satun is March (27.7 °C on average); the coldest is December (26.1 °C).
How much does it rain in Satun?
Satun receives on average 1,963 mm of precipitation per year, spread over about 247 rainy days.
Is it sunny in Satun?
Satun gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Satun?
Yes: Satun has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Satun?
In Satun, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 31 March 2016, and the lowest was 22.5 °C on 19 January 1976.
Compare Satun with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Satun