Photharam climate — normals and trends

Q: What is the climate of Photharam?

Photharam has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.7 °C and it receives 1,251 mm of precipitation per year.

Q: What is the hottest day ever recorded in Photharam?

The hottest day measured in Photharam between 1940 and 2025 was 10 April 1980, reaching 41.1 °C.

Q: What is the coldest day in Photharam?

The coldest day measured in Photharam between 1940 and 2025 was 25 December 1999, at 11.5 °C.

Q: Does it snow in Photharam?

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

Q: Has the climate of Photharam warmed?

Yes: Photharam warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Photharam?

The wettest day measured in Photharam between 1940 and 2025 was 6 September 1975, with 152 mm of rain in 24 hours.

Q: What was the windiest day in Photharam?

The windiest day measured in Photharam between 1940 and 2025 was 3 November 2009, with winds reaching 30.3 km/h.

Q: What is the warmest month in Photharam?

The warmest month in Photharam is April (30.0 °C on average); the coldest is December (25.1 °C).

Q: How much does it rain in Photharam?

Photharam receives on average 1,251 mm of precipitation per year, spread over about 176 rainy days.

Q: Is it sunny in Photharam?

Photharam gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Photharam (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.7 °C and it receives 1,251 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 (30.0 °C on average) and the coldest is December (25.1 °C). Rainfall peaks in September.

Photharam averages 0 frost days, 310 hot days (≥ 30 °C) and 176 rainy days per year.

Photharam has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.1 °C (on 10 April 1980) and the coldest 11.5 °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

PhotharamRatchaburi

coords: 13.69°, 99.85°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

27.7°C

Average daily high

32.7°C

Average daily low

23.8°C

Annual rainfall

1,251mm

Sunshine / day

9.7h

Mean relative humidity

73%

Average peak wind

12.6km/h

Seasonal range

4.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

310 d/yr

Rainy days (≥ 1 mm)

176 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.2 °C

Average feels-like low

27.7 °C

Average peak gust

30.1 km/h

Tropical nights (≥ 20 °C)

334 d/yr

Solar radiation

18.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.72 · 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

41.1 °C

10 April 1980

Coldest day

11.5 °C

25 December 1999

Wettest day

152 mm

6 September 1975

Windiest day

30.3 km/h

3 November 2009

Strongest gust

62.6 km/h

19 August 1990

Hottest feels-like

47.5 °C

25 April 2019

Coldest feels-like

8.6 °C

25 December 1999

Sunniest day

12.8 h

28 June 2022

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.3 °C26 April 2025	15.5 °C30 November 2025	28.0 °C	1,381 mm	327
2024	39.5 °C30 April 2024	18.5 °C21 December 2024	29.1 °C	1,143 mm	350
2023	39.9 °C19 May 2023	17.7 °C31 January 2023	28.7 °C	1,075 mm	338
2022	38.2 °C15 April 2022	18.1 °C28 December 2022	28.1 °C	1,468 mm	328
2021	38.8 °C12 May 2021	15.7 °C13 January 2021	28.1 °C	1,292 mm	324
2020	39.4 °C21 April 2020	18.2 °C28 January 2020	28.7 °C	1,120 mm	335
2019	40.5 °C3 May 2019	17.0 °C7 December 2019	28.7 °C	1,073 mm	340
2018	39.5 °C15 April 2018	18.2 °C14 January 2018	28.3 °C	1,365 mm	337
2017	40.0 °C26 April 2017	15.9 °C20 December 2017	28.5 °C	1,316 mm	335
2016	40.2 °C11 May 2016	15.3 °C26 January 2016	28.9 °C	969 mm	346
2015	39.1 °C21 April 2015	16.2 °C17 January 2015	28.6 °C	956 mm	344
2014	38.8 °C22 April 2014	12.3 °C25 January 2014	28.0 °C	1,180 mm	328
2013	39.0 °C2 May 2013	14.5 °C29 December 2013	27.9 °C	1,397 mm	313
2012	39.6 °C30 April 2012	20.2 °C9 January 2012	28.4 °C	1,305 mm	336
2011	38.0 °C18 April 2011	16.9 °C12 December 2011	27.6 °C	1,225 mm	315
2010	39.3 °C9 May 2010	18.6 °C18 December 2010	28.7 °C	1,165 mm	334
2009	38.9 °C23 April 2009	14.2 °C12 January 2009	28.1 °C	1,102 mm	338
2008	37.4 °C23 March 2008	17.2 °C10 December 2008	27.9 °C	1,239 mm	325
2007	40.2 °C1 April 2007	16.0 °C4 February 2007	28.6 °C	1,188 mm	339
2006	40.0 °C12 April 2006	15.8 °C24 December 2006	28.6 °C	1,166 mm	343
2005	39.9 °C10 April 2005	16.0 °C3 January 2005	28.6 °C	1,263 mm	328
2004	40.9 °C15 April 2004	17.1 °C16 February 2004	28.7 °C	829 mm	352
2003	40.2 °C7 May 2003	16.9 °C14 January 2003	28.5 °C	1,094 mm	345
2002	39.8 °C10 April 2002	18.6 °C4 January 2002	28.6 °C	1,199 mm	342
2001	41.0 °C23 April 2001	17.0 °C24 December 2001	28.4 °C	1,169 mm	328
2000	38.4 °C1 August 2000	15.4 °C4 February 2000	28.1 °C	1,141 mm	340
1999	39.5 °C18 March 1999	11.5 °C25 December 1999	27.7 °C	1,474 mm	317
1998	41.0 °C14 April 1998	17.9 °C16 January 1998	29.2 °C	1,027 mm	346
1997	40.4 °C5 May 1997	15.8 °C5 January 1997	28.5 °C	983 mm	348
1996	40.3 °C31 March 1996	13.8 °C1 January 1996	28.0 °C	1,656 mm	317
1995	40.7 °C15 April 1995	14.6 °C30 December 1995	28.3 °C	1,351 mm	334
1994	40.4 °C11 April 1994	17.4 °C27 January 1994	28.4 °C	1,050 mm	346
1993	40.1 °C28 March 1993	14.5 °C31 January 1993	28.2 °C	934 mm	338
1992	40.5 °C21 April 1992	15.1 °C20 January 1992	28.0 °C	1,067 mm	310
1991	40.8 °C19 May 1991	18.3 °C1 February 1991	28.4 °C	1,069 mm	339
1990	40.2 °C23 April 1990	16.2 °C6 December 1990	28.6 °C	886 mm	346
1989	39.8 °C19 April 1989	16.1 °C5 December 1989	28.1 °C	951 mm	335
1988	38.9 °C22 March 1988	16.7 °C13 December 1988	27.9 °C	1,366 mm	315
1987	38.8 °C4 April 1987	15.3 °C9 December 1987	28.1 °C	1,007 mm	318
1986	37.7 °C16 April 1986	14.9 °C7 January 1986	27.3 °C	1,076 mm	302
1985	39.0 °C14 April 1985	15.1 °C18 December 1985	27.3 °C	1,271 mm	305
1984	37.7 °C21 April 1984	13.6 °C10 January 1984	27.4 °C	861 mm	323
1983	38.5 °C8 April 1983	14.5 °C25 January 1983	27.6 °C	1,152 mm	296
1982	38.9 °C29 April 1982	13.5 °C23 December 1982	27.4 °C	1,019 mm	311
1981	38.7 °C28 April 1981	14.6 °C19 January 1981	27.3 °C	1,335 mm	294
1980	41.1 °C10 April 1980	16.6 °C25 December 1980	28.1 °C	1,052 mm	338
1979	40.2 °C21 April 1979	17.0 °C27 December 1979	28.3 °C	923 mm	348
1978	38.5 °C30 April 1978	15.9 °C16 December 1978	27.6 °C	1,380 mm	318
1977	37.5 °C17 April 1977	16.4 °C6 March 1977	27.8 °C	819 mm	340
1976	38.8 °C17 April 1976	11.9 °C16 January 1976	26.8 °C	1,499 mm	299
1975	38.8 °C17 April 1975	11.8 °C31 December 1975	26.8 °C	1,766 mm	292
1974	38.3 °C9 May 1974	13.3 °C4 January 1974	26.8 °C	1,676 mm	283
1973	40.3 °C23 April 1973	13.1 °C27 December 1973	27.5 °C	1,224 mm	299
1972	39.2 °C4 May 1972	14.0 °C16 January 1972	27.2 °C	1,665 mm	306
1971	38.4 °C8 April 1971	14.1 °C17 November 1971	26.7 °C	1,302 mm	283
1970	40.0 °C9 May 1970	17.0 °C18 December 1970	27.4 °C	1,368 mm	300
1969	39.5 °C4 April 1969	15.6 °C5 December 1969	27.9 °C	1,170 mm	312
1968	38.1 °C28 May 1968	14.5 °C6 January 1968	27.6 °C	1,028 mm	341
1967	39.9 °C2 May 1967	13.9 °C17 January 1967	27.1 °C	1,068 mm	304
1966	37.6 °C27 April 1966	15.7 °C2 January 1966	26.6 °C	1,504 mm	245
1965	38.9 °C1 May 1965	13.4 °C22 January 1965	27.1 °C	1,556 mm	296
1964	37.2 °C16 April 1964	14.7 °C19 December 1964	26.9 °C	1,313 mm	276
1963	40.1 °C17 May 1963	12.0 °C16 January 1963	26.8 °C	1,433 mm	269
1962	38.1 °C6 May 1962	14.7 °C28 January 1962	26.9 °C	1,206 mm	291
1961	38.1 °C25 April 1961	13.0 °C19 January 1961	27.0 °C	1,255 mm	302
1960	39.9 °C27 April 1960	11.7 °C4 January 1960	27.7 °C	1,084 mm	320
1959	39.5 °C5 April 1959	16.6 °C1 January 1959	27.6 °C	1,055 mm	307
1958	38.9 °C26 March 1958	16.5 °C25 November 1958	27.3 °C	1,004 mm	280
1957	38.6 °C20 April 1957	12.9 °C6 February 1957	27.2 °C	1,595 mm	296
1956	37.8 °C30 March 1956	12.7 °C17 January 1956	26.6 °C	1,322 mm	269
1955	37.9 °C17 April 1955	11.7 °C13 January 1955	26.6 °C	1,596 mm	266
1954	38.3 °C18 April 1954	13.4 °C17 December 1954	27.2 °C	1,012 mm	313
1953	35.6 °C17 April 1953	14.7 °C13 December 1953	25.9 °C	2,474 mm	221
1952	39.5 °C30 April 1952	13.7 °C12 December 1952	26.9 °C	1,719 mm	270
1951	39.4 °C9 April 1951	14.8 °C2 January 1951	27.2 °C	1,186 mm	292
1950	38.0 °C23 April 1950	15.1 °C3 January 1950	26.9 °C	1,218 mm	289
1949	37.4 °C23 May 1949	14.5 °C17 January 1949	27.0 °C	928 mm	296
1948	38.3 °C13 March 1948	15.2 °C3 January 1948	26.7 °C	1,314 mm	268
1947	38.4 °C7 March 1947	15.9 °C30 December 1947	27.3 °C	1,055 mm	306
1946	38.1 °C27 March 1946	14.9 °C9 January 1946	26.7 °C	1,201 mm	294
1945	37.0 °C1 April 1945	14.5 °C31 December 1945	26.4 °C	1,547 mm	253
1944	38.8 °C8 April 1944	14.2 °C21 December 1944	26.8 °C	1,534 mm	265
1943	37.4 °C7 April 1943	15.0 °C23 January 1943	26.1 °C	1,516 mm	237
1942	37.3 °C20 April 1942	13.9 °C17 December 1942	26.4 °C	1,270 mm	266
1941	38.6 °C10 March 1941	16.3 °C24 January 1941	26.6 °C	1,797 mm	214
1940	39.2 °C11 March 1940	13.0 °C5 January 1940	26.3 °C	1,580 mm	223

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

32.7 °C

0.0 °C

Hot days (≥ 30 °C)

327 d/yr

+17

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1381 mm

+130 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.8 °C	-0.7 °C	0 mm	-15 mm
Feb	33.1 °C	-0.5 °C	40 mm	+16 mm
Mar	34.8 °C	-0.4 °C	43 mm	+2 mm
Apr	35.7 °C	-0.2 °C	75 mm	+2 mm
May	33.9 °C	-0.6 °C	225 mm	+82 mm
Jun	33.5 °C	+0.4 °C	108 mm	-28 mm
Jul	32.7 °C	+0.2 °C	133 mm	-16 mm
Aug	33.6 °C	+1.4 °C	133 mm	-21 mm
Sep	32.1 °C	+0.3 °C	291 mm	+73 mm
Oct	31.7 °C	+0.7 °C	180 mm	-34 mm
Nov	29.7 °C	-0.9 °C	144 mm	+72 mm
Dec	30.9 °C	+0.6 °C	9 mm	-3 mm

The year's extremes

Hottest day

38.3 °C

26 Apr 2025

Coldest day

15.5 °C

30 Nov 2025

Wettest day

51.3 mm

7 Sep 2025

Windiest day

21.2 km/h

27 Nov 2025

Strongest gust

58.0 km/h

24 Jul 2025

Hottest feels-like

45.7 °C

24 Apr 2025

Coldest feels-like

15.4 °C

29 Nov 2025

Sunniest day

12.6 h

7 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 Photharam?

Photharam has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.7 °C and it receives 1,251 mm of precipitation per year.

What is the hottest day ever recorded in Photharam?

The hottest day measured in Photharam between 1940 and 2025 was 10 April 1980, reaching 41.1 °C.

What is the coldest day in Photharam?

The coldest day measured in Photharam between 1940 and 2025 was 25 December 1999, at 11.5 °C.

Does it snow in Photharam?

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

Has the climate of Photharam warmed?

Yes: Photharam warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Photharam?

The wettest day measured in Photharam between 1940 and 2025 was 6 September 1975, with 152 mm of rain in 24 hours.

What was the windiest day in Photharam?

The windiest day measured in Photharam between 1940 and 2025 was 3 November 2009, with winds reaching 30.3 km/h.

What is the warmest month in Photharam?

The warmest month in Photharam is April (30.0 °C on average); the coldest is December (25.1 °C).

How much does it rain in Photharam?

Photharam receives on average 1,251 mm of precipitation per year, spread over about 176 rainy days.

Is it sunny in Photharam?

Photharam gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Are there tropical nights in Photharam?

Yes: Photharam has on average 334 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Photharam?

In Photharam, between 1940 and 2025, the highest apparent temperature reached 47.5 °C on 25 April 2019, and the lowest was 8.6 °C on 25 December 1999.

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