Ron Phibun climate — normals and trends

Q: What is the climate of Ron Phibun?

Ron Phibun has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 2,138 mm of precipitation per year.

Q: What is the hottest day ever recorded in Ron Phibun?

The hottest day measured in Ron Phibun between 1940 and 2025 was 3 May 2024, reaching 39.7 °C.

Q: What is the coldest day in Ron Phibun?

The coldest day measured in Ron Phibun between 1940 and 2025 was 3 January 1957, at 14.0 °C.

Q: Does it snow in Ron Phibun?

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

Q: Has the climate of Ron Phibun warmed?

Yes: Ron Phibun warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ron Phibun?

The wettest day measured in Ron Phibun between 1940 and 2025 was 16 December 2024, with 196 mm of rain in 24 hours.

Q: What was the windiest day in Ron Phibun?

The windiest day measured in Ron Phibun between 1940 and 2025 was 20 February 1996, with winds reaching 25.1 km/h.

Q: What is the warmest month in Ron Phibun?

The warmest month in Ron Phibun is April (27.3 °C on average); the coldest is December (24.6 °C).

Q: How much does it rain in Ron Phibun?

Ron Phibun receives on average 2,138 mm of precipitation per year, spread over about 270 rainy days.

Q: Is it sunny in Ron Phibun?

Ron Phibun gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.

Ron Phibun (Thailand) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 2,138 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 (27.3 °C on average) and the coldest is December (24.6 °C). Rainfall peaks in October.

Ron Phibun averages 0 frost days, 228 hot days (≥ 30 °C) and 270 rainy days per year.

Ron Phibun has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.7 °C (on 3 May 2024) and the coldest 14.0 °C (on 3 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

Ron PhibunNakhon Si Thammarat

coords: 8.18°, 99.85°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthAprilColdest monthDecemberWettest monthOctoberDriest monthFebruary

Mean daily temperature

25.8°C

Average daily high

30.6°C

Average daily low

22.4°C

Annual rainfall

2,138mm

Sunshine / day

9.6h

Mean relative humidity

85%

Average peak wind

10.5km/h

Seasonal range

2.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

228 d/yr

Rainy days (≥ 1 mm)

270 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.1 °C

Average feels-like low

26.7 °C

Average peak gust

33.5 km/h

Tropical nights (≥ 20 °C)

346 d/yr

Solar radiation

17.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.4 °C

since 1940

+0.3 °C per decade · r² = 0.84 · 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

39.7 °C

3 May 2024

Coldest day

14.0 °C

3 January 1957

Wettest day

196 mm

16 December 2024

Windiest day

25.1 km/h

20 February 1996

Strongest gust

76.3 km/h

21 June 1985

Hottest feels-like

46.6 °C

1 May 2024

Coldest feels-like

14.3 °C

3 January 1957

Sunniest day

12.5 h

13 June 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.9 °C5 March 2025	17.9 °C3 February 2025	26.7 °C	2,411 mm	310
2024	39.7 °C3 May 2024	20.3 °C25 December 2024	27.5 °C	2,391 mm	318
2023	39.3 °C20 April 2023	18.7 °C17 January 2023	27.1 °C	2,258 mm	306
2022	36.1 °C28 April 2022	18.6 °C30 December 2022	26.6 °C	2,756 mm	291
2021	36.1 °C26 February 2021	17.8 °C26 February 2021	26.5 °C	2,350 mm	292
2020	37.2 °C6 April 2020	19.1 °C26 January 2020	26.9 °C	2,199 mm	312
2019	37.9 °C19 April 2019	20.0 °C5 March 2019	26.9 °C	1,694 mm	318
2018	36.1 °C25 April 2018	18.4 °C11 February 2018	26.5 °C	2,245 mm	297
2017	35.2 °C20 April 2017	19.0 °C20 December 2017	26.5 °C	2,696 mm	288
2016	39.0 °C11 May 2016	19.8 °C23 February 2016	27.1 °C	2,071 mm	303
2015	37.6 °C2 April 2015	19.1 °C10 February 2015	26.7 °C	1,885 mm	295
2014	36.6 °C31 March 2014	15.9 °C3 February 2014	26.5 °C	1,841 mm	293
2013	36.7 °C6 April 2013	19.2 °C22 December 2013	26.6 °C	1,863 mm	291
2012	34.7 °C14 August 2012	20.8 °C27 June 2012	26.4 °C	2,367 mm	296
2011	34.7 °C24 May 2011	17.7 °C21 January 2011	26.3 °C	2,796 mm	262
2010	36.2 °C9 May 2010	19.6 °C6 February 2010	26.7 °C	2,642 mm	289
2009	36.6 °C26 June 2009	18.3 °C16 January 2009	26.6 °C	1,854 mm	299
2008	35.3 °C18 April 2008	18.4 °C22 February 2008	26.2 °C	2,333 mm	260
2007	35.8 °C15 March 2007	18.3 °C7 March 2007	26.5 °C	2,503 mm	277
2006	35.6 °C13 March 2006	19.0 °C22 January 2006	26.4 °C	2,130 mm	287
2005	38.1 °C26 April 2005	17.5 °C27 January 2005	26.6 °C	2,164 mm	288
2004	36.8 °C14 April 2004	19.7 °C22 December 2004	26.5 °C	1,623 mm	280
2003	36.3 °C8 June 2003	19.2 °C17 December 2003	26.5 °C	1,818 mm	268
2002	37.3 °C1 June 2002	19.8 °C2 January 2002	26.8 °C	1,595 mm	304
2001	35.1 °C19 April 2001	19.8 °C4 January 2001	26.1 °C	2,499 mm	241
2000	33.6 °C13 March 2000	18.1 °C4 February 2000	25.9 °C	2,597 mm	240
1999	34.6 °C7 March 1999	16.3 °C26 December 1999	25.8 °C	2,460 mm	215
1998	37.8 °C14 April 1998	20.5 °C10 December 1998	27.0 °C	2,323 mm	276
1997	35.2 °C9 June 1997	17.3 °C15 January 1997	26.4 °C	1,796 mm	282
1996	36.4 °C17 March 1996	18.2 °C28 December 1996	26.1 °C	2,561 mm	248
1995	37.5 °C16 April 1995	19.0 °C14 December 1995	26.4 °C	2,299 mm	257
1994	35.6 °C9 April 1994	17.8 °C26 February 1994	26.0 °C	2,155 mm	223
1993	36.5 °C8 May 1993	17.8 °C1 February 1993	26.0 °C	2,200 mm	245
1992	38.3 °C14 April 1992	18.5 °C30 January 1992	26.2 °C	2,234 mm	237
1991	34.9 °C7 April 1991	19.3 °C6 December 1991	26.2 °C	1,967 mm	236
1990	36.4 °C20 April 1990	18.6 °C25 December 1990	26.6 °C	1,547 mm	282
1989	34.4 °C21 March 1989	17.0 °C17 February 1989	26.0 °C	1,877 mm	253
1988	35.8 °C18 March 1988	19.1 °C18 December 1988	26.2 °C	2,282 mm	245
1987	38.2 °C12 April 1987	18.7 °C15 January 1987	26.4 °C	2,231 mm	264
1986	37.0 °C31 March 1986	18.5 °C15 January 1986	25.9 °C	2,156 mm	221
1985	37.2 °C14 April 1985	17.5 °C19 December 1985	25.6 °C	2,154 mm	223
1984	35.1 °C6 April 1984	18.9 °C8 March 1984	25.6 °C	2,314 mm	209
1983	37.3 °C12 April 1983	17.3 °C7 February 1983	26.1 °C	1,958 mm	235
1982	36.4 °C24 March 1982	17.5 °C11 January 1982	25.8 °C	1,866 mm	244
1981	35.7 °C18 August 1981	17.7 °C27 December 1981	26.0 °C	2,012 mm	263
1980	37.3 °C10 April 1980	15.6 °C31 January 1980	26.2 °C	2,036 mm	260
1979	37.7 °C12 March 1979	18.5 °C27 December 1979	26.2 °C	1,991 mm	254
1978	36.0 °C23 March 1978	17.8 °C28 November 1978	25.8 °C	1,993 mm	228
1977	36.6 °C18 April 1977	18.5 °C9 March 1977	25.9 °C	1,755 mm	242
1976	36.0 °C13 April 1976	15.4 °C16 January 1976	25.4 °C	2,142 mm	216
1975	36.5 °C28 April 1975	17.0 °C9 February 1975	25.3 °C	2,542 mm	203
1974	35.0 °C3 May 1974	17.5 °C2 January 1974	25.2 °C	2,050 mm	225
1973	36.4 °C13 March 1973	17.5 °C5 March 1973	25.6 °C	2,385 mm	235
1972	35.0 °C3 May 1972	16.3 °C4 January 1972	25.4 °C	2,243 mm	222
1971	36.1 °C25 April 1971	17.1 °C17 November 1971	25.2 °C	2,171 mm	199
1970	36.3 °C20 April 1970	16.9 °C19 December 1970	25.6 °C	2,137 mm	210
1969	36.0 °C30 April 1969	17.1 °C6 March 1969	25.8 °C	1,944 mm	241
1968	37.1 °C29 March 1968	17.4 °C24 February 1968	25.5 °C	1,521 mm	236
1967	36.7 °C3 April 1967	16.5 °C26 December 1967	25.2 °C	1,912 mm	202
1966	33.3 °C15 April 1966	17.3 °C19 January 1966	24.7 °C	2,455 mm	111
1965	34.8 °C22 March 1965	16.4 °C9 January 1965	25.2 °C	2,239 mm	194
1964	35.4 °C7 April 1964	18.5 °C22 February 1964	25.6 °C	1,846 mm	237
1963	37.2 °C20 April 1963	16.9 °C17 January 1963	25.7 °C	1,811 mm	212
1962	35.5 °C17 April 1962	16.9 °C7 February 1962	25.5 °C	1,836 mm	223
1961	35.4 °C23 March 1961	16.7 °C6 February 1961	25.4 °C	1,805 mm	216
1960	36.1 °C26 March 1960	17.1 °C6 January 1960	25.5 °C	1,909 mm	203
1959	35.0 °C10 April 1959	18.7 °C20 January 1959	25.5 °C	2,019 mm	195
1958	36.9 °C21 April 1958	17.1 °C29 November 1958	25.8 °C	1,722 mm	217
1957	34.8 °C22 April 1957	14.0 °C3 January 1957	25.3 °C	1,900 mm	195
1956	36.3 °C1 April 1956	16.1 °C23 November 1956	25.0 °C	2,462 mm	173
1955	36.3 °C1 April 1955	15.9 °C30 November 1955	25.3 °C	2,108 mm	201
1954	34.7 °C5 March 1954	16.4 °C19 December 1954	25.0 °C	2,330 mm	171
1953	32.7 °C14 April 1953	18.0 °C22 March 1953	25.0 °C	2,752 mm	162
1952	33.2 °C25 April 1952	17.5 °C14 December 1952	25.2 °C	2,242 mm	177
1951	35.2 °C29 March 1951	18.5 °C3 April 1951	25.4 °C	1,543 mm	209
1950	33.2 °C9 March 1950	18.0 °C23 January 1950	25.0 °C	2,225 mm	159
1949	35.5 °C12 March 1949	17.1 °C12 January 1949	25.3 °C	1,211 mm	207
1948	35.2 °C14 March 1948	17.9 °C23 November 1948	24.7 °C	1,975 mm	108
1947	31.4 °C10 June 1947	17.6 °C26 December 1947	24.5 °C	2,511 mm	53
1946	31.7 °C10 March 1946	15.7 °C25 January 1946	24.3 °C	2,195 mm	68
1945	31.4 °C2 April 1945	17.4 °C31 December 1945	24.1 °C	2,886 mm	30
1944	35.1 °C5 May 1944	16.7 °C29 January 1944	24.7 °C	2,203 mm	146
1943	34.5 °C27 March 1943	17.1 °C13 February 1943	24.2 °C	2,020 mm	88
1942	33.0 °C20 April 1942	17.6 °C10 February 1942	24.4 °C	1,970 mm	104
1941	33.9 °C2 March 1941	16.5 °C29 December 1941	24.4 °C	2,761 mm	80
1940	35.8 °C11 March 1940	15.8 °C5 January 1940	24.4 °C	2,163 mm	98

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

31.7 °C

+1.1 °C

Hot days (≥ 30 °C)

310 d/yr

+82

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2411 mm

+273 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.3 °C	+0.9 °C	38 mm	-44 mm
Feb	32.1 °C	+1.3 °C	70 mm	+13 mm
Mar	33.0 °C	+0.7 °C	79 mm	-19 mm
Apr	33.3 °C	+0.3 °C	230 mm	+85 mm
May	32.4 °C	+0.5 °C	296 mm	+85 mm
Jun	31.8 °C	+0.6 °C	133 mm	-33 mm
Jul	32.5 °C	+1.8 °C	121 mm	-66 mm
Aug	32.1 °C	+1.5 °C	169 mm	-37 mm
Sep	31.7 °C	+1.4 °C	297 mm	+38 mm
Oct	31.1 °C	+1.2 °C	325 mm	+21 mm
Nov	29.9 °C	+0.9 °C	489 mm	+222 mm
Dec	30.5 °C	+1.8 °C	164 mm	+8 mm

The year's extremes

Hottest day

35.9 °C

5 Mar 2025

Coldest day

17.9 °C

3 Feb 2025

Wettest day

114.7 mm

20 Nov 2025

Windiest day

21.6 km/h

25 Feb 2025

Strongest gust

61.9 km/h

20 Jul 2025

Hottest feels-like

43.7 °C

19 May 2025

Coldest feels-like

20.0 °C

3 Feb 2025

Sunniest day

12.4 h

10 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 Ron Phibun?

Ron Phibun has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 2,138 mm of precipitation per year.

What is the hottest day ever recorded in Ron Phibun?

The hottest day measured in Ron Phibun between 1940 and 2025 was 3 May 2024, reaching 39.7 °C.

What is the coldest day in Ron Phibun?

The coldest day measured in Ron Phibun between 1940 and 2025 was 3 January 1957, at 14.0 °C.

Does it snow in Ron Phibun?

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

Has the climate of Ron Phibun warmed?

Yes: Ron Phibun warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ron Phibun?

The wettest day measured in Ron Phibun between 1940 and 2025 was 16 December 2024, with 196 mm of rain in 24 hours.

What was the windiest day in Ron Phibun?

The windiest day measured in Ron Phibun between 1940 and 2025 was 20 February 1996, with winds reaching 25.1 km/h.

What is the warmest month in Ron Phibun?

The warmest month in Ron Phibun is April (27.3 °C on average); the coldest is December (24.6 °C).

How much does it rain in Ron Phibun?

Ron Phibun receives on average 2,138 mm of precipitation per year, spread over about 270 rainy days.

Is it sunny in Ron Phibun?

Ron Phibun gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.

Are there tropical nights in Ron Phibun?

Yes: Ron Phibun has on average 346 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ron Phibun?

In Ron Phibun, between 1940 and 2025, the highest apparent temperature reached 46.6 °C on 1 May 2024, and the lowest was 14.3 °C on 3 January 1957.

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