Hat Yai climate — normals and trends

Q: What is the climate of Hat Yai?

Hat Yai has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.8 °C and it receives 1,888 mm of precipitation per year.

Q: What is the hottest day ever recorded in Hat Yai?

The hottest day measured in Hat Yai between 1940 and 2025 was 3 May 2024, reaching 37.7 °C.

Q: What is the coldest day in Hat Yai?

The coldest day measured in Hat Yai between 1940 and 2025 was 4 February 2014, at 17.2 °C.

Q: Does it snow in Hat Yai?

Almost never: Hat Yai sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Hat Yai warmed?

Yes: Hat Yai warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Hat Yai?

The wettest day measured in Hat Yai between 1940 and 2025 was 21 November 2025, with 240 mm of rain in 24 hours.

Q: What was the windiest day in Hat Yai?

The windiest day measured in Hat Yai between 1940 and 2025 was 25 February 2016, with winds reaching 31.1 km/h.

Q: What is the warmest month in Hat Yai?

The warmest month in Hat Yai is April (27.7 °C on average); the coldest is December (25.6 °C).

Q: How much does it rain in Hat Yai?

Hat Yai receives on average 1,888 mm of precipitation per year, spread over about 249 rainy days.

Q: Is it sunny in Hat Yai?

Hat Yai gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Hat Yai (Thailand) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.8 °C and it receives 1,888 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 (27.7 °C on average) and the coldest is December (25.6 °C). Rainfall peaks in November.

Hat Yai averages 0 frost days, 262 hot days (≥ 30 °C) and 249 rainy days per year.

Hat Yai has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.7 °C (on 3 May 2024) and the coldest 17.2 °C (on 4 February 2014).

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

Hat YaiSongkhla

coords: 7.01°, 100.48°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthAprilColdest monthDecemberWettest monthNovemberDriest monthFebruary

Mean daily temperature

26.8°C

Average daily high

31.1°C

Average daily low

23.8°C

Annual rainfall

1,888mm

Sunshine / day

10.2h

Mean relative humidity

83%

Average peak wind

12.9km/h

Seasonal range

2.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

262 d/yr

Rainy days (≥ 1 mm)

249 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.7 °C

Average feels-like low

28.4 °C

Average peak gust

32.7 km/h

Tropical nights (≥ 20 °C)

364 d/yr

Solar radiation

19.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.3 °C

since 1940

+0.3 °C per decade · r² = 0.83 · p = < 0.001

19402025

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

37.7 °C

3 May 2024

Coldest day

17.2 °C

4 February 2014

Wettest day

240 mm

21 November 2025

Windiest day

31.1 km/h

25 February 2016

Strongest gust

70.2 km/h

8 July 2014

Hottest feels-like

45.7 °C

28 April 2016

Coldest feels-like

19.0 °C

4 February 2014

Sunniest day

12.4 h

1 July 1943

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	36.4 °C31 July 2025	19.2 °C2 February 2025	27.7 °C	2,321 mm	314
2024	37.7 °C3 May 2024	22.8 °C2 February 2024	28.3 °C	2,148 mm	326
2023	37.1 °C21 April 2023	20.7 °C17 January 2023	27.9 °C	2,129 mm	309
2022	35.5 °C28 April 2022	22.0 °C28 December 2022	27.4 °C	2,816 mm	314
2021	35.6 °C31 March 2021	19.8 °C24 February 2021	27.5 °C	1,979 mm	304
2020	35.6 °C11 April 2020	21.8 °C21 March 2020	27.7 °C	2,077 mm	328
2019	36.9 °C25 April 2019	20.9 °C5 March 2019	27.9 °C	1,543 mm	334
2018	35.7 °C30 August 2018	20.8 °C11 February 2018	27.6 °C	1,813 mm	317
2017	35.4 °C29 July 2017	22.1 °C7 February 2017	27.6 °C	2,266 mm	298
2016	37.4 °C28 April 2016	21.8 °C22 February 2016	28.2 °C	1,649 mm	331
2015	35.9 °C3 April 2015	20.5 °C15 March 2015	27.6 °C	1,593 mm	324
2014	36.1 °C23 April 2014	17.2 °C4 February 2014	27.5 °C	1,722 mm	308
2013	35.8 °C7 April 2013	22.3 °C19 August 2013	27.5 °C	1,848 mm	302
2012	36.2 °C11 August 2012	22.6 °C25 January 2012	27.6 °C	1,858 mm	317
2011	35.2 °C9 August 2011	21.3 °C21 January 2011	27.3 °C	2,108 mm	281
2010	37.5 °C11 May 2010	22.0 °C6 February 2010	27.8 °C	2,432 mm	316
2009	35.1 °C26 June 2009	21.2 °C29 January 2009	27.4 °C	1,757 mm	310
2008	34.8 °C17 April 2008	21.4 °C23 February 2008	27.1 °C	2,194 mm	287
2007	35.2 °C16 March 2007	20.5 °C7 March 2007	27.2 °C	2,189 mm	283
2006	34.6 °C13 March 2006	21.7 °C13 March 2006	27.3 °C	1,812 mm	311
2005	37.3 °C13 August 2005	20.2 °C27 January 2005	27.7 °C	2,146 mm	303
2004	36.2 °C16 April 2004	21.3 °C28 December 2004	27.4 °C	1,321 mm	314
2003	35.0 °C4 September 2003	21.2 °C27 January 2003	27.4 °C	1,541 mm	296
2002	36.8 °C14 August 2002	20.5 °C10 February 2002	27.7 °C	1,311 mm	320
2001	34.7 °C25 August 2001	21.6 °C22 February 2001	27.2 °C	2,085 mm	281
2000	33.7 °C15 May 2000	20.9 °C5 February 2000	26.8 °C	2,497 mm	253
1999	34.4 °C11 August 1999	20.7 °C8 January 1999	26.8 °C	2,498 mm	247
1998	37.0 °C14 April 1998	22.5 °C24 January 1998	27.8 °C	1,950 mm	300
1997	35.5 °C12 August 1997	20.5 °C3 January 1997	27.2 °C	1,725 mm	296
1996	35.0 °C27 March 1996	19.2 °C5 January 1996	26.9 °C	2,165 mm	264
1995	36.0 °C2 July 1995	21.3 °C9 February 1995	27.1 °C	2,135 mm	285
1994	34.3 °C11 April 1994	20.9 °C26 February 1994	26.9 °C	1,815 mm	278
1993	34.6 °C14 August 1993	19.6 °C23 February 1993	26.8 °C	2,245 mm	266
1992	35.0 °C21 April 1992	21.5 °C30 January 1992	27.0 °C	1,684 mm	260
1991	34.4 °C19 April 1991	20.9 °C5 March 1991	27.0 °C	1,794 mm	262
1990	36.0 °C27 August 1990	20.2 °C4 March 1990	27.4 °C	1,397 mm	289
1989	34.7 °C28 March 1989	19.4 °C15 February 1989	26.9 °C	1,697 mm	275
1988	35.3 °C29 March 1988	21.6 °C19 January 1988	27.0 °C	2,106 mm	272
1987	36.1 °C7 April 1987	20.7 °C25 February 1987	27.3 °C	1,985 mm	297
1986	35.1 °C31 March 1986	20.8 °C26 January 1986	26.9 °C	1,878 mm	270
1985	34.5 °C9 April 1985	20.5 °C17 January 1985	26.7 °C	1,912 mm	273
1984	34.1 °C7 April 1984	20.1 °C7 March 1984	26.6 °C	1,942 mm	255
1983	35.6 °C13 April 1983	20.7 °C7 February 1983	27.0 °C	1,649 mm	275
1982	35.1 °C24 March 1982	20.4 °C23 January 1982	26.7 °C	1,729 mm	284
1981	35.8 °C21 August 1981	20.7 °C13 January 1981	26.9 °C	1,762 mm	282
1980	35.1 °C5 May 1980	20.8 °C24 January 1980	27.1 °C	1,747 mm	291
1979	36.9 °C12 March 1979	20.6 °C9 January 1979	27.0 °C	1,788 mm	295
1978	35.2 °C20 March 1978	20.3 °C27 December 1978	27.0 °C	1,466 mm	285
1977	36.4 °C1 May 1977	20.3 °C13 January 1977	26.9 °C	1,304 mm	281
1976	35.6 °C15 April 1976	18.2 °C19 January 1976	26.4 °C	1,824 mm	250
1975	34.7 °C28 April 1975	20.2 °C27 January 1975	26.3 °C	2,076 mm	245
1974	34.9 °C18 August 1974	19.3 °C2 March 1974	26.4 °C	1,641 mm	269
1973	34.6 °C17 May 1973	19.5 °C4 March 1973	26.6 °C	2,061 mm	272
1972	34.5 °C5 May 1972	19.4 °C3 January 1972	26.6 °C	1,898 mm	278
1971	36.3 °C26 April 1971	19.1 °C16 January 1971	26.4 °C	1,926 mm	241
1970	34.2 °C20 April 1970	19.5 °C21 February 1970	26.4 °C	1,941 mm	240
1969	36.6 °C14 April 1969	19.7 °C5 March 1969	27.0 °C	1,700 mm	282
1968	36.1 °C31 March 1968	18.5 °C27 February 1968	26.6 °C	1,173 mm	300
1967	36.1 °C2 April 1967	18.8 °C7 February 1967	26.3 °C	1,789 mm	254
1966	32.9 °C16 April 1966	21.0 °C25 February 1966	25.8 °C	2,382 mm	181
1965	35.3 °C27 July 1965	17.7 °C9 January 1965	26.4 °C	1,791 mm	273
1964	35.3 °C22 April 1964	19.9 °C9 February 1964	26.5 °C	1,608 mm	266
1963	36.8 °C23 April 1963	20.1 °C14 January 1963	26.7 °C	1,432 mm	254
1962	35.7 °C14 June 1962	20.0 °C7 February 1962	26.6 °C	1,559 mm	259
1961	37.0 °C29 August 1961	19.9 °C6 February 1961	26.7 °C	1,468 mm	269
1960	35.8 °C11 June 1960	20.4 °C18 March 1960	26.6 °C	1,689 mm	280
1959	34.6 °C23 April 1959	20.0 °C23 February 1959	26.3 °C	1,856 mm	235
1958	37.0 °C22 July 1958	18.7 °C29 November 1958	26.7 °C	1,523 mm	262
1957	34.9 °C14 June 1957	18.3 °C2 January 1957	26.3 °C	1,590 mm	252
1956	34.6 °C3 April 1956	18.5 °C23 January 1956	25.9 °C	2,267 mm	213
1955	36.1 °C3 April 1955	20.1 °C3 February 1955	26.2 °C	2,041 mm	242
1954	34.3 °C5 March 1954	19.7 °C23 November 1954	25.9 °C	2,267 mm	219
1953	33.2 °C18 April 1953	20.7 °C21 March 1953	26.1 °C	2,481 mm	217
1952	33.7 °C9 September 1952	19.8 °C24 January 1952	26.4 °C	1,858 mm	245
1951	34.0 °C10 April 1951	19.4 °C30 January 1951	26.4 °C	1,350 mm	253
1950	34.5 °C19 March 1950	19.7 °C20 January 1950	26.0 °C	1,694 mm	226
1949	34.2 °C1 June 1949	19.6 °C13 February 1949	26.3 °C	699 mm	237
1948	33.4 °C13 March 1948	19.4 °C26 November 1948	25.6 °C	1,669 mm	128
1947	32.0 °C10 June 1947	20.2 °C28 December 1947	25.3 °C	2,738 mm	84
1946	33.1 °C27 June 1946	19.2 °C25 January 1946	25.3 °C	2,258 mm	134
1945	31.1 °C26 June 1945	20.3 °C31 December 1945	25.0 °C	2,657 mm	78
1944	34.4 °C27 March 1944	19.5 °C28 January 1944	25.7 °C	2,101 mm	176
1943	33.4 °C23 April 1943	19.0 °C4 February 1943	25.3 °C	1,782 mm	160
1942	32.0 °C17 April 1942	20.0 °C18 February 1942	25.4 °C	1,910 mm	147
1941	31.9 °C10 March 1941	19.2 °C29 December 1941	25.3 °C	2,368 mm	88
1940	33.5 °C11 March 1940	19.4 °C3 February 1940	25.4 °C	1,793 mm	139

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?

Year

Across the whole year

Average daily high

32.1 °C

+1.0 °C

Hot days (≥ 30 °C)

314 d/yr

+52

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2321 mm

+433 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.9 °C	+0.4 °C	81 mm	-5 mm
Feb	31.4 °C	+0.4 °C	51 mm	+1 mm
Mar	32.8 °C	+0.6 °C	64 mm	-20 mm
Apr	33.2 °C	+0.5 °C	220 mm	+84 mm
May	33.0 °C	+0.7 °C	193 mm	+28 mm
Jun	32.9 °C	+0.7 °C	93 mm	-15 mm
Jul	34.4 °C	+2.5 °C	45 mm	-73 mm
Aug	33.1 °C	+1.2 °C	127 mm	+3 mm
Sep	33.0 °C	+1.7 °C	152 mm	-18 mm
Oct	31.3 °C	+1.0 °C	273 mm	-6 mm
Nov	29.6 °C	+0.4 °C	913 mm	+579 mm
Dec	30.2 °C	+1.4 °C	109 mm	-125 mm

The year's extremes

Hottest day

36.4 °C

31 Jul 2025

Coldest day

19.2 °C

2 Feb 2025

Wettest day

240.0 mm

21 Nov 2025

Windiest day

23.6 km/h

10 Mar 2025

Strongest gust

57.2 km/h

25 Nov 2025

Hottest feels-like

43.9 °C

31 May 2025

Coldest feels-like

22.0 °C

2 Feb 2025

Sunniest day

12.3 h

30 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 Hat Yai?

Hat Yai has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.8 °C and it receives 1,888 mm of precipitation per year.

What is the hottest day ever recorded in Hat Yai?

The hottest day measured in Hat Yai between 1940 and 2025 was 3 May 2024, reaching 37.7 °C.

What is the coldest day in Hat Yai?

The coldest day measured in Hat Yai between 1940 and 2025 was 4 February 2014, at 17.2 °C.

Does it snow in Hat Yai?

Almost never: Hat Yai sees virtually no snow, with about 0 frost days per year.

Has the climate of Hat Yai warmed?

Yes: Hat Yai warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Hat Yai?

The wettest day measured in Hat Yai between 1940 and 2025 was 21 November 2025, with 240 mm of rain in 24 hours.

What was the windiest day in Hat Yai?

The windiest day measured in Hat Yai between 1940 and 2025 was 25 February 2016, with winds reaching 31.1 km/h.

What is the warmest month in Hat Yai?

The warmest month in Hat Yai is April (27.7 °C on average); the coldest is December (25.6 °C).

How much does it rain in Hat Yai?

Hat Yai receives on average 1,888 mm of precipitation per year, spread over about 249 rainy days.

Is it sunny in Hat Yai?

Hat Yai gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Are there tropical nights in Hat Yai?

Yes: Hat Yai has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Hat Yai?

In Hat Yai, between 1940 and 2025, the highest apparent temperature reached 45.7 °C on 28 April 2016, and the lowest was 19.0 °C on 4 February 2014.

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