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
19402025 · 86 yrs
AmTropical monsoonWarmest monthMarchColdest monthDecemberWettest monthOctoberDriest monthJanuary

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

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202533.3 °C17 March 202523.2 °C31 January 202527.6 °C2,311 mm1870
202434.7 °C13 April 202424.6 °C28 November 202428.1 °C2,473 mm2030
202333.9 °C11 May 202323.6 °C17 January 202327.6 °C2,282 mm1560
202233.2 °C31 January 202223.8 °C28 December 202227.3 °C2,342 mm1170
202133.8 °C2 March 202122.9 °C24 February 202127.4 °C2,061 mm1460
202034.3 °C4 April 202024.2 °C25 January 202027.6 °C2,075 mm1640
201934.0 °C16 March 201923.3 °C4 January 201927.7 °C1,540 mm1900
201834.0 °C22 March 201823.3 °C7 February 201827.5 °C1,923 mm1560
201733.0 °C10 March 201724.0 °C22 December 201727.3 °C2,249 mm1120
201634.6 °C4 March 201624.3 °C22 February 201627.8 °C1,814 mm1770
201534.4 °C7 April 201523.2 °C12 February 201527.4 °C1,807 mm1520
201434.7 °C5 March 201422.0 °C2 February 201427.3 °C1,801 mm1470
201334.1 °C14 March 201324.0 °C30 December 201327.3 °C2,033 mm1130
201232.4 °C26 February 201224.2 °C5 January 201227.1 °C2,155 mm800
201132.8 °C12 February 201123.1 °C21 January 201127.1 °C2,011 mm990
201034.3 °C16 February 201024.1 °C29 December 201027.6 °C2,261 mm1640
200933.5 °C18 February 200922.9 °C12 January 200927.3 °C2,006 mm1250
200832.8 °C19 February 200823.9 °C2 January 200827.0 °C2,254 mm940
200734.0 °C5 March 200722.8 °C1 February 200727.1 °C2,219 mm1060
200634.1 °C9 March 200624.1 °C16 January 200627.3 °C1,936 mm1110
200534.7 °C19 February 200523.2 °C26 January 200527.6 °C2,201 mm1890
200433.6 °C10 April 200423.7 °C15 December 200427.5 °C1,575 mm1990
200334.2 °C27 February 200323.7 °C19 December 200327.4 °C1,792 mm1570
200233.9 °C3 March 200223.4 °C4 January 200227.6 °C1,433 mm1860
200133.3 °C3 March 200123.6 °C31 December 200127.1 °C2,143 mm790
200032.9 °C5 March 200023.3 °C4 February 200027.0 °C2,342 mm870
199932.9 °C16 March 199922.1 °C26 December 199926.7 °C2,447 mm450
199835.6 °C22 March 199824.2 °C11 December 199827.8 °C2,340 mm1680
199732.9 °C22 April 199722.1 °C3 January 199727.1 °C1,744 mm1250
199632.9 °C12 March 199621.8 °C4 January 199626.8 °C2,284 mm970
199534.2 °C7 April 199523.3 °C31 December 199527.1 °C2,416 mm1370
199433.8 °C1 March 199423.1 °C13 December 199426.9 °C1,728 mm950
199332.7 °C4 March 199323.2 °C1 February 199327.0 °C2,205 mm1010
199234.1 °C21 March 199223.5 °C29 January 199227.1 °C1,720 mm1000
199134.6 °C10 March 199123.5 °C11 December 199127.2 °C1,842 mm1380
199034.3 °C19 March 199023.1 °C20 January 199027.3 °C1,667 mm1360
198933.2 °C20 February 198923.4 °C15 February 198927.0 °C1,933 mm1060
198833.9 °C1 March 198822.8 °C16 December 198827.2 °C2,328 mm1260
198733.6 °C28 February 198723.2 °C15 January 198727.3 °C2,316 mm1300
198633.1 °C27 February 198623.0 °C16 December 198626.8 °C1,980 mm920
198534.0 °C4 April 198523.1 °C14 January 198526.8 °C2,088 mm870
198431.8 °C6 March 198423.0 °C7 March 198426.6 °C1,983 mm440
198334.0 °C18 April 198323.3 °C24 December 198327.2 °C1,806 mm1350
198233.3 °C12 March 198223.1 °C10 January 198227.0 °C1,618 mm1100
198133.1 °C26 March 198122.4 °C14 January 198127.1 °C1,691 mm1270
198033.4 °C8 February 198023.4 °C10 February 198027.0 °C1,997 mm1140
197933.7 °C6 March 197923.0 °C15 January 197927.2 °C1,755 mm1310
197833.4 °C12 March 197823.1 °C2 February 197827.1 °C1,695 mm1390
197734.1 °C30 March 197722.4 °C13 January 197727.1 °C1,574 mm1410
197633.0 °C24 February 197621.7 °C19 January 197626.7 °C2,030 mm850
197532.5 °C23 April 197522.6 °C27 January 197526.6 °C1,893 mm800
197432.9 °C13 March 197422.2 °C13 January 197426.7 °C1,524 mm990
197333.4 °C22 February 197322.5 °C29 December 197327.0 °C1,853 mm1300
197232.8 °C10 March 197222.1 °C5 January 197226.7 °C1,952 mm810
197133.2 °C21 April 197122.5 °C16 January 197126.5 °C1,867 mm900
197034.2 °C9 March 197022.8 °C22 January 197026.9 °C2,096 mm1200
196933.7 °C5 March 196923.1 °C17 February 196927.0 °C2,009 mm1200
196833.2 °C12 March 196822.9 °C2 January 196826.9 °C1,543 mm1170
196733.4 °C29 March 196721.7 °C18 January 196726.6 °C1,727 mm790
196631.4 °C30 April 196623.2 °C6 January 196626.5 °C2,303 mm390
196532.8 °C11 March 196522.1 °C19 January 196526.5 °C1,913 mm690
196433.9 °C8 April 196422.6 °C30 January 196427.0 °C2,016 mm1450
196334.5 °C25 April 196322.1 °C14 January 196326.9 °C1,356 mm1210
196233.3 °C12 April 196222.8 °C28 January 196226.9 °C1,637 mm1190
196133.4 °C4 April 196122.0 °C20 January 196127.0 °C1,236 mm1360
196032.7 °C26 February 196023.0 °C4 January 196026.8 °C1,703 mm910
195933.7 °C16 March 195923.0 °C19 December 195926.8 °C1,670 mm950
195834.0 °C15 April 195822.4 °C30 November 195827.1 °C1,697 mm1600
195732.9 °C8 March 195721.2 °C4 January 195726.7 °C1,928 mm650
195632.5 °C2 March 195622.3 °C22 January 195626.3 °C2,235 mm560
195533.6 °C12 March 195522.5 °C2 February 195526.5 °C2,115 mm720
195432.5 °C15 March 195422.6 °C23 November 195426.4 °C2,430 mm480
195331.2 °C1 April 195322.7 °C9 January 195326.5 °C2,293 mm310
195231.8 °C7 February 195222.4 °C14 December 195226.7 °C1,804 mm620
195133.3 °C1 April 195122.6 °C30 January 195127.1 °C1,140 mm1250
195032.5 °C1 March 195023.2 °C7 January 195026.6 °C2,110 mm780
194933.9 °C10 April 194922.8 °C5 January 194927.5 °C596 mm2140
194832.2 °C29 February 194822.7 °C16 January 194826.6 °C1,562 mm830
194730.3 °C27 June 194722.8 °C28 December 194726.2 °C2,434 mm90
194631.0 °C9 March 194622.5 °C25 January 194626.3 °C2,012 mm190
194530.1 °C4 May 194522.7 °C18 March 194526.0 °C2,737 mm10
194432.5 °C21 March 194421.9 °C6 December 194426.4 °C2,446 mm810
194332.0 °C18 March 194321.9 °C20 March 194326.2 °C2,232 mm670
194232.2 °C13 March 194222.7 °C30 December 194226.3 °C2,034 mm430
194132.5 °C3 March 194122.8 °C29 December 194126.3 °C2,479 mm290
194032.9 °C6 March 194021.9 °C3 February 194026.4 °C1,967 mm490

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

Average daily high
29.9 °C
+0.5 °C
Hot days (≥ 30 °C)
187 d/yr
+77
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
2311 mm
+348 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan30.1 °C+0.4 °C43 mm+9 mm
Feb31.4 °C+0.4 °C35 mm-3 mm
Mar31.7 °C+0.6 °C67 mm-26 mm
Apr30.3 °C0.0 °C244 mm+77 mm
May30.0 °C+0.4 °C246 mm+23 mm
Jun29.8 °C+0.4 °C150 mm-20 mm
Jul30.5 °C+1.6 °C90 mm-103 mm
Aug29.4 °C+0.7 °C191 mm-32 mm
Sep29.2 °C+0.9 °C212 mm-57 mm
Oct28.8 °C+0.6 °C240 mm-33 mm
Nov28.0 °C-0.4 °C772 mm+577 mm
Dec29.8 °C+1.2 °C21 mm-65 mm

The year's extremes

Hottest day
33.3 °C
17 Mar 2025
Coldest day
23.2 °C
31 Jan 2025
Wettest day
299.7 mm
21 Nov 2025
Windiest day
28.8 km/h
25 Nov 2025
Strongest gust
55.1 km/h
25 Nov 2025
Hottest feels-like
40.1 °C
8 Mar 2025
Coldest feels-like
24.9 °C
31 Jan 2025
Sunniest day
12.4 h
29 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

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

Other cities — Thailand