Prachuap Khiri Khan climate — normals and trends

Q: What is the climate of Prachuap Khiri Khan?

Prachuap Khiri Khan has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 1,391 mm of precipitation per year.

Q: What is the hottest day ever recorded in Prachuap Khiri Khan?

The hottest day measured in Prachuap Khiri Khan between 1940 and 2025 was 30 April 2024, reaching 34.2 °C.

Q: What is the coldest day in Prachuap Khiri Khan?

The coldest day measured in Prachuap Khiri Khan between 1940 and 2025 was 25 December 1999, at 16.5 °C.

Q: Does it snow in Prachuap Khiri Khan?

Almost never: Prachuap Khiri Khan sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Prachuap Khiri Khan warmed?

Yes: Prachuap Khiri Khan warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Prachuap Khiri Khan?

The wettest day measured in Prachuap Khiri Khan between 1940 and 2025 was 28 December 1976, with 172 mm of rain in 24 hours.

Q: What was the windiest day in Prachuap Khiri Khan?

The windiest day measured in Prachuap Khiri Khan between 1940 and 2025 was 4 November 1997, with winds reaching 47.1 km/h.

Q: What is the warmest month in Prachuap Khiri Khan?

The warmest month in Prachuap Khiri Khan is April (27.2 °C on average); the coldest is January (24.6 °C).

Q: How much does it rain in Prachuap Khiri Khan?

Prachuap Khiri Khan receives on average 1,391 mm of precipitation per year, spread over about 211 rainy days.

Q: Is it sunny in Prachuap Khiri Khan?

Prachuap Khiri Khan gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Prachuap Khiri Khan (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 1,391 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 (27.2 °C on average) and the coldest is January (24.6 °C). Rainfall peaks in October.

Prachuap Khiri Khan averages 0 frost days, 54 hot days (≥ 30 °C) and 211 rainy days per year.

Prachuap Khiri Khan has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.2 °C (on 30 April 2024) and the coldest 16.5 °C (on 25 December 1999).

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

Prachuap Khiri KhanPrachuap Khiri Khan

coords: 11.82°, 99.78°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthJanuaryWettest monthOctoberDriest monthJanuary

Mean daily temperature

25.9°C

Average daily high

28.3°C

Average daily low

24.1°C

Annual rainfall

1,391mm

Sunshine / day

9.9h

Mean relative humidity

82%

Average peak wind

18.0km/h

Seasonal range

2.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

54 d/yr

Rainy days (≥ 1 mm)

211 d/yr

Annual snowfall

0.0 cm

Average feels-like high

32.7 °C

Average feels-like low

27.5 °C

Average peak gust

32.6 km/h

Tropical nights (≥ 20 °C)

361 d/yr

Solar radiation

19.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.76 · 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

34.2 °C

30 April 2024

Coldest day

16.5 °C

25 December 1999

Wettest day

172 mm

28 December 1976

Windiest day

47.1 km/h

4 November 1997

Strongest gust

83.5 km/h

4 November 1997

Hottest feels-like

42.1 °C

6 May 2023

Coldest feels-like

12.1 °C

25 December 1999

Sunniest day

12.7 h

12 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.0 °C23 May 2025	19.6 °C29 November 2025	26.5 °C	1,369 mm	85
2024	34.2 °C30 April 2024	22.7 °C21 December 2024	27.4 °C	1,161 mm	148
2023	33.5 °C7 May 2023	21.1 °C30 January 2023	26.9 °C	1,292 mm	122
2022	32.5 °C15 April 2022	20.0 °C29 December 2022	26.3 °C	1,816 mm	77
2021	32.2 °C4 July 2021	19.4 °C22 January 2021	26.3 °C	1,533 mm	75
2020	32.4 °C9 March 2020	21.2 °C22 December 2020	26.8 °C	1,303 mm	124
2019	33.0 °C3 May 2019	21.0 °C9 December 2019	26.8 °C	1,220 mm	114
2018	31.6 °C18 October 2018	20.6 °C14 January 2018	26.5 °C	1,592 mm	64
2017	32.3 °C17 June 2017	19.3 °C21 December 2017	26.5 °C	1,829 mm	101
2016	34.0 °C13 April 2016	18.2 °C26 January 2016	26.8 °C	1,456 mm	106
2015	33.8 °C21 April 2015	20.3 °C22 January 2015	26.6 °C	1,140 mm	96
2014	32.1 °C3 June 2014	18.2 °C25 January 2014	26.3 °C	1,345 mm	101
2013	33.4 °C7 April 2013	19.4 °C29 December 2013	26.4 °C	1,370 mm	93
2012	32.5 °C28 April 2012	22.4 °C21 February 2012	26.5 °C	1,366 mm	87
2011	31.5 °C24 May 2011	19.0 °C30 March 2011	26.1 °C	1,237 mm	46
2010	32.8 °C10 May 2010	21.0 °C18 December 2010	26.8 °C	1,120 mm	132
2009	31.8 °C30 April 2009	19.0 °C12 January 2009	26.3 °C	1,184 mm	70
2008	31.8 °C17 April 2008	21.2 °C20 December 2008	26.1 °C	1,241 mm	44
2007	32.0 °C25 May 2007	19.6 °C5 February 2007	26.2 °C	1,608 mm	61
2006	31.1 °C6 April 2006	20.6 °C24 December 2006	26.4 °C	1,312 mm	59
2005	32.0 °C5 May 2005	19.8 °C22 December 2005	26.3 °C	1,193 mm	76
2004	32.4 °C18 April 2004	20.5 °C28 January 2004	26.4 °C	1,028 mm	75
2003	32.4 °C7 May 2003	20.9 °C25 December 2003	26.4 °C	1,438 mm	72
2002	31.7 °C10 April 2002	20.7 °C12 January 2002	26.3 °C	1,139 mm	57
2001	33.0 °C20 April 2001	20.8 °C4 January 2001	26.1 °C	1,880 mm	48
2000	31.5 °C9 May 2000	19.2 °C5 February 2000	26.0 °C	1,412 mm	46
1999	32.2 °C20 March 1999	16.5 °C25 December 1999	25.8 °C	1,646 mm	46
1998	33.0 °C26 April 1998	19.5 °C17 December 1998	26.8 °C	1,366 mm	142
1997	32.1 °C6 May 1997	19.0 °C3 January 1997	26.4 °C	1,144 mm	98
1996	32.4 °C10 April 1996	19.0 °C6 January 1996	26.0 °C	1,748 mm	66
1995	32.3 °C21 May 1995	19.8 °C8 February 1995	26.2 °C	1,276 mm	77
1994	32.4 °C6 May 1994	19.7 °C27 January 1994	26.2 °C	1,048 mm	56
1993	32.6 °C10 May 1993	20.3 °C31 January 1993	26.1 °C	1,133 mm	59
1992	32.9 °C22 April 1992	19.2 °C26 December 1992	26.1 °C	1,034 mm	76
1991	31.7 °C14 February 1991	21.3 °C2 December 1991	26.3 °C	1,195 mm	67
1990	33.4 °C23 April 1990	21.2 °C29 January 1990	26.4 °C	836 mm	61
1989	32.9 °C22 April 1989	20.4 °C5 December 1989	26.0 °C	1,174 mm	55
1988	32.0 °C23 April 1988	19.4 °C7 December 1988	26.2 °C	1,216 mm	70
1987	32.4 °C7 April 1987	19.9 °C17 January 1987	26.3 °C	1,469 mm	86
1986	31.8 °C30 March 1986	19.3 °C15 January 1986	25.8 °C	1,346 mm	43
1985	32.8 °C12 April 1985	19.6 °C18 December 1985	25.9 °C	1,288 mm	35
1984	31.7 °C19 April 1984	18.6 °C10 January 1984	25.8 °C	1,008 mm	37
1983	32.5 °C22 May 1983	19.1 °C30 November 1983	26.0 °C	1,224 mm	69
1982	32.1 °C3 May 1982	18.3 °C11 January 1982	25.8 °C	1,272 mm	33
1981	31.1 °C22 April 1981	18.9 °C19 January 1981	25.8 °C	1,313 mm	45
1980	32.6 °C24 April 1980	19.5 °C26 December 1980	26.1 °C	1,150 mm	72
1979	32.5 °C20 April 1979	20.6 °C30 December 1979	26.3 °C	948 mm	73
1978	31.4 °C24 April 1978	20.2 °C23 January 1978	25.8 °C	1,337 mm	30
1977	31.6 °C8 June 1977	19.6 °C17 January 1977	25.8 °C	961 mm	37
1976	31.9 °C14 April 1976	16.9 °C19 January 1976	25.3 °C	1,524 mm	28
1975	32.2 °C29 April 1975	17.4 °C31 December 1975	25.4 °C	1,529 mm	28
1974	31.5 °C22 April 1974	19.2 °C1 January 1974	25.4 °C	1,732 mm	17
1973	32.4 °C23 April 1973	18.3 °C27 December 1973	25.8 °C	1,569 mm	52
1972	31.7 °C5 May 1972	19.4 °C5 January 1972	25.6 °C	1,822 mm	42
1971	31.5 °C10 May 1971	18.9 °C13 January 1971	25.2 °C	1,408 mm	22
1970	32.5 °C20 April 1970	19.9 °C18 December 1970	25.8 °C	1,579 mm	33
1969	31.8 °C14 May 1969	20.2 °C9 February 1969	25.9 °C	1,252 mm	60
1968	31.8 °C20 May 1968	19.9 °C5 January 1968	25.6 °C	1,139 mm	33
1967	31.9 °C2 April 1967	18.3 °C16 January 1967	25.4 °C	1,168 mm	32
1966	31.4 °C13 May 1966	20.7 °C3 December 1966	25.7 °C	1,504 mm	37
1965	31.5 °C30 April 1965	17.7 °C22 January 1965	25.4 °C	1,749 mm	23
1964	31.0 °C21 May 1964	19.3 °C9 December 1964	25.5 °C	1,417 mm	26
1963	31.1 °C19 May 1963	17.9 °C21 January 1963	25.4 °C	1,629 mm	29
1962	31.3 °C17 May 1962	19.7 °C7 December 1962	25.5 °C	1,481 mm	27
1961	31.5 °C16 May 1961	18.8 °C20 January 1961	25.5 °C	1,487 mm	34
1960	32.0 °C25 April 1960	18.0 °C4 January 1960	25.8 °C	1,358 mm	44
1959	32.2 °C27 April 1959	20.4 °C16 January 1959	25.8 °C	1,375 mm	23
1958	32.5 °C5 April 1958	20.3 °C15 January 1958	25.9 °C	1,033 mm	55
1957	31.9 °C17 May 1957	17.3 °C1 January 1957	25.7 °C	1,243 mm	42
1956	31.6 °C20 April 1956	17.4 °C31 December 1956	25.2 °C	1,447 mm	14
1955	31.9 °C9 May 1955	18.2 °C12 January 1955	25.5 °C	1,555 mm	23
1954	32.9 °C13 April 1954	19.6 °C22 November 1954	25.8 °C	1,137 mm	48
1953	31.0 °C18 April 1953	18.8 °C10 January 1953	25.3 °C	2,557 mm	28
1952	31.3 °C2 May 1952	18.7 °C11 December 1952	25.6 °C	1,642 mm	32
1951	31.2 °C12 April 1951	19.6 °C3 January 1951	25.7 °C	1,149 mm	26
1950	32.6 °C23 April 1950	19.8 °C4 January 1950	25.7 °C	1,205 mm	31
1949	31.3 °C24 February 1949	18.4 °C11 January 1949	25.5 °C	1,353 mm	32
1948	30.8 °C12 March 1948	20.0 °C31 January 1948	25.3 °C	1,417 mm	15
1947	31.6 °C8 May 1947	19.9 °C25 December 1947	25.5 °C	1,461 mm	17
1946	31.4 °C4 March 1946	19.6 °C15 February 1946	25.3 °C	1,393 mm	8
1945	31.9 °C1 April 1945	18.6 °C26 December 1945	25.2 °C	1,954 mm	12
1944	31.1 °C7 April 1944	18.5 °C21 December 1944	25.2 °C	1,668 mm	17
1943	30.7 °C26 March 1943	17.9 °C26 January 1943	24.6 °C	1,773 mm	3
1942	31.0 °C24 March 1942	19.4 °C12 January 1942	25.3 °C	1,198 mm	16
1941	32.2 °C10 March 1941	19.5 °C28 December 1941	25.4 °C	2,244 mm	36
1940	31.5 °C11 March 1940	17.9 °C7 January 1940	25.1 °C	1,748 mm	15

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

28.9 °C

+0.6 °C

Hot days (≥ 30 °C)

85 d/yr

+31

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1369 mm

-22 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.4 °C	+0.1 °C	3 mm	-31 mm
Feb	28.4 °C	+0.3 °C	68 mm	+33 mm
Mar	29.6 °C	+0.6 °C	47 mm	-15 mm
Apr	30.0 °C	+0.2 °C	135 mm	+37 mm
May	30.0 °C	+0.4 °C	223 mm	+62 mm
Jun	29.3 °C	+0.3 °C	151 mm	+19 mm
Jul	29.2 °C	+0.6 °C	129 mm	-18 mm
Aug	29.4 °C	+1.0 °C	151 mm	-6 mm
Sep	28.8 °C	+0.5 °C	173 mm	+3 mm
Oct	28.6 °C	+0.9 °C	167 mm	-63 mm
Nov	27.4 °C	+0.1 °C	100 mm	-30 mm
Dec	28.2 °C	+1.2 °C	23 mm	-13 mm

The year's extremes

Hottest day

32.0 °C

23 May 2025

Coldest day

19.6 °C

29 Nov 2025

Wettest day

34.8 mm

22 Aug 2025

Windiest day

37.4 km/h

12 Jan 2025

Strongest gust

63.7 km/h

12 Jan 2025

Hottest feels-like

39.5 °C

25 Apr 2025

Coldest feels-like

17.4 °C

29 Nov 2025

Sunniest day

12.6 h

25 Jul 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 Prachuap Khiri Khan?

Prachuap Khiri Khan has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 1,391 mm of precipitation per year.

What is the hottest day ever recorded in Prachuap Khiri Khan?

The hottest day measured in Prachuap Khiri Khan between 1940 and 2025 was 30 April 2024, reaching 34.2 °C.

What is the coldest day in Prachuap Khiri Khan?

The coldest day measured in Prachuap Khiri Khan between 1940 and 2025 was 25 December 1999, at 16.5 °C.

Does it snow in Prachuap Khiri Khan?

Almost never: Prachuap Khiri Khan sees virtually no snow, with about 0 frost days per year.

Has the climate of Prachuap Khiri Khan warmed?

Yes: Prachuap Khiri Khan warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Prachuap Khiri Khan?

The wettest day measured in Prachuap Khiri Khan between 1940 and 2025 was 28 December 1976, with 172 mm of rain in 24 hours.

What was the windiest day in Prachuap Khiri Khan?

The windiest day measured in Prachuap Khiri Khan between 1940 and 2025 was 4 November 1997, with winds reaching 47.1 km/h.

What is the warmest month in Prachuap Khiri Khan?

The warmest month in Prachuap Khiri Khan is April (27.2 °C on average); the coldest is January (24.6 °C).

How much does it rain in Prachuap Khiri Khan?

Prachuap Khiri Khan receives on average 1,391 mm of precipitation per year, spread over about 211 rainy days.

Is it sunny in Prachuap Khiri Khan?

Prachuap Khiri Khan gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Are there tropical nights in Prachuap Khiri Khan?

Yes: Prachuap Khiri Khan has on average 361 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Prachuap Khiri Khan?

In Prachuap Khiri Khan, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 6 May 2023, and the lowest was 12.1 °C on 25 December 1999.

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