Ban Nong Wua So climate — normals and trends

Q: What is the climate of Ban Nong Wua So?

Ban Nong Wua So has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 1,469 mm of precipitation per year.

Q: What is the hottest day ever recorded in Ban Nong Wua So?

The hottest day measured in Ban Nong Wua So between 1940 and 2025 was 17 April 2016, reaching 43.2 °C.

Q: What is the coldest day in Ban Nong Wua So?

The coldest day measured in Ban Nong Wua So between 1940 and 2025 was 12 January 1955, at 4.1 °C.

Q: Does it snow in Ban Nong Wua So?

Almost never: Ban Nong Wua So sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Ban Nong Wua So warmed?

Yes: Ban Nong Wua So warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ban Nong Wua So?

The wettest day measured in Ban Nong Wua So between 1940 and 2025 was 2 June 1988, with 167 mm of rain in 24 hours.

Q: What was the windiest day in Ban Nong Wua So?

The windiest day measured in Ban Nong Wua So between 1940 and 2025 was 18 August 1991, with winds reaching 34.9 km/h.

Q: What is the warmest month in Ban Nong Wua So?

The warmest month in Ban Nong Wua So is April (29.2 °C on average); the coldest is December (22.2 °C).

Q: How much does it rain in Ban Nong Wua So?

Ban Nong Wua So receives on average 1,469 mm of precipitation per year, spread over about 156 rainy days.

Q: Is it sunny in Ban Nong Wua So?

Ban Nong Wua So gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Ban Nong Wua So (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.4 °C and it receives 1,469 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 (29.2 °C on average) and the coldest is December (22.2 °C). Rainfall peaks in August.

Ban Nong Wua So averages 0 frost days, 261 hot days (≥ 30 °C) and 156 rainy days per year.

Ban Nong Wua So has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 43.2 °C (on 17 April 2016) and the coldest 4.1 °C (on 12 January 1955).

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

Ban Nong Wua SoUdon Thani

coords: 17.27°, 103.22°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthAugustDriest monthDecember

Mean daily temperature

26.4°C

Average daily high

31.4°C

Average daily low

22.2°C

Annual rainfall

1,469mm

Sunshine / day

9.7h

Mean relative humidity

72%

Average peak wind

12.4km/h

Seasonal range

7.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

261 d/yr

Rainy days (≥ 1 mm)

156 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.3 °C

Average feels-like low

25.0 °C

Average peak gust

29.3 km/h

Tropical nights (≥ 20 °C)

274 d/yr

Solar radiation

18.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.64 · 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

43.2 °C

17 April 2016

Coldest day

4.1 °C

12 January 1955

Wettest day

167 mm

2 June 1988

Windiest day

34.9 km/h

18 August 1991

Strongest gust

69.5 km/h

13 March 2009

Hottest feels-like

48.3 °C

8 April 2024

Coldest feels-like

1.0 °C

12 January 1955

Sunniest day

12.7 h

23 June 1956

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.9 °C27 March 2025	8.4 °C13 January 2025	26.7 °C	1,536 mm	283
2024	43.1 °C29 April 2024	13.5 °C23 December 2024	28.0 °C	1,143 mm	317
2023	41.7 °C6 May 2023	9.5 °C30 January 2023	27.8 °C	1,308 mm	303
2022	38.0 °C24 April 2022	11.8 °C19 December 2022	26.9 °C	1,539 mm	297
2021	38.5 °C19 March 2021	9.6 °C13 January 2021	27.2 °C	1,171 mm	286
2020	40.8 °C21 April 2020	12.5 °C22 December 2020	27.6 °C	1,198 mm	294
2019	41.8 °C20 April 2019	10.8 °C10 December 2019	28.2 °C	1,078 mm	328
2018	39.2 °C14 April 2018	12.4 °C6 February 2018	27.0 °C	1,373 mm	301
2017	39.4 °C11 April 2017	10.7 °C21 December 2017	27.1 °C	1,738 mm	304
2016	43.2 °C17 April 2016	9.5 °C26 January 2016	27.6 °C	1,346 mm	313
2015	41.2 °C2 July 2015	10.3 °C14 January 2015	27.6 °C	1,130 mm	303
2014	39.4 °C1 April 2014	8.3 °C24 January 2014	26.9 °C	1,229 mm	289
2013	40.8 °C6 April 2013	10.5 °C20 December 2013	26.8 °C	1,426 mm	280
2012	38.6 °C19 April 2012	14.6 °C31 December 2012	27.2 °C	1,388 mm	310
2011	37.8 °C17 April 2011	11.0 °C13 December 2011	25.9 °C	1,546 mm	247
2010	40.9 °C13 April 2010	12.7 °C27 December 2010	27.4 °C	1,505 mm	281
2009	39.9 °C24 April 2009	8.4 °C11 January 2009	27.0 °C	1,395 mm	297
2008	39.2 °C12 April 2008	9.8 °C3 January 2008	26.1 °C	1,555 mm	252
2007	40.8 °C23 April 2007	11.2 °C29 January 2007	27.0 °C	1,526 mm	279
2006	37.9 °C11 March 2006	11.2 °C23 December 2006	27.0 °C	1,327 mm	296
2005	40.2 °C12 April 2005	10.9 °C2 January 2005	27.0 °C	1,315 mm	273
2004	38.8 °C16 April 2004	11.4 °C25 January 2004	26.5 °C	1,290 mm	284
2003	40.7 °C7 May 2003	11.5 °C22 December 2003	26.9 °C	1,402 mm	282
2002	39.1 °C22 April 2002	13.6 °C6 January 2002	26.8 °C	1,739 mm	286
2001	40.8 °C10 April 2001	12.1 °C24 December 2001	26.7 °C	1,679 mm	283
2000	39.0 °C3 April 2000	10.6 °C2 February 2000	26.2 °C	1,830 mm	266
1999	38.8 °C13 March 1999	6.0 °C26 December 1999	26.2 °C	1,586 mm	256
1998	40.7 °C13 April 1998	14.1 °C13 December 1998	27.6 °C	1,128 mm	311
1997	38.1 °C6 May 1997	11.9 °C12 January 1997	26.6 °C	1,179 mm	271
1996	39.7 °C20 March 1996	8.9 °C1 January 1996	26.0 °C	1,597 mm	238
1995	38.9 °C23 April 1995	10.6 °C7 January 1995	26.5 °C	1,558 mm	270
1994	38.1 °C12 April 1994	12.7 °C24 January 1994	26.3 °C	1,431 mm	256
1993	39.0 °C29 March 1993	8.9 °C31 January 1993	26.2 °C	1,164 mm	269
1992	40.8 °C10 May 1992	11.2 °C17 January 1992	26.3 °C	1,426 mm	241
1991	39.8 °C19 April 1991	12.0 °C28 December 1991	26.7 °C	1,308 mm	265
1990	39.8 °C23 April 1990	11.9 °C6 December 1990	26.4 °C	1,522 mm	261
1989	38.8 °C20 April 1989	11.1 °C3 December 1989	26.2 °C	1,664 mm	256
1988	39.0 °C17 March 1988	12.1 °C12 December 1988	26.4 °C	1,578 mm	243
1987	37.9 °C23 March 1987	9.4 °C9 December 1987	26.6 °C	1,511 mm	269
1986	39.4 °C17 March 1986	10.3 °C8 January 1986	26.1 °C	1,588 mm	248
1985	40.3 °C13 April 1985	10.8 °C24 December 1985	26.2 °C	1,372 mm	252
1984	39.3 °C5 April 1984	9.4 °C10 January 1984	26.1 °C	1,443 mm	243
1983	41.3 °C14 April 1983	8.4 °C24 January 1983	26.4 °C	1,596 mm	255
1982	38.6 °C30 April 1982	7.3 °C29 December 1982	26.2 °C	1,486 mm	247
1981	38.6 °C25 March 1981	9.6 °C14 January 1981	26.2 °C	1,520 mm	255
1980	39.3 °C25 April 1980	12.1 °C24 December 1980	26.7 °C	1,464 mm	294
1979	38.9 °C7 April 1979	12.2 °C28 December 1979	26.5 °C	1,635 mm	277
1978	37.8 °C9 March 1978	10.2 °C16 December 1978	26.1 °C	2,098 mm	245
1977	38.9 °C9 June 1977	12.0 °C23 February 1977	26.1 °C	1,719 mm	242
1976	39.2 °C17 April 1976	7.7 °C1 January 1976	25.6 °C	1,570 mm	235
1975	40.4 °C28 April 1975	5.2 °C30 December 1975	25.9 °C	2,076 mm	235
1974	37.1 °C24 February 1974	6.1 °C2 January 1974	25.8 °C	1,568 mm	236
1973	40.5 °C11 April 1973	8.7 °C27 December 1973	26.4 °C	1,760 mm	255
1972	38.0 °C1 May 1972	10.7 °C16 January 1972	26.2 °C	1,486 mm	260
1971	37.6 °C11 May 1971	9.5 °C6 January 1971	25.4 °C	1,443 mm	216
1970	38.0 °C14 March 1970	12.7 °C20 January 1970	26.3 °C	1,444 mm	247
1969	38.9 °C22 April 1969	10.2 °C11 December 1969	26.3 °C	1,443 mm	252
1968	37.3 °C23 March 1968	9.9 °C5 January 1968	26.2 °C	1,309 mm	282
1967	38.7 °C31 March 1967	8.1 °C17 January 1967	25.9 °C	1,072 mm	228
1966	37.0 °C13 May 1966	12.0 °C2 January 1966	26.3 °C	1,587 mm	252
1965	37.0 °C4 April 1965	10.5 °C20 January 1965	26.0 °C	1,625 mm	265
1964	37.2 °C7 April 1964	9.0 °C19 December 1964	25.6 °C	1,711 mm	234
1963	38.0 °C16 May 1963	7.0 °C16 January 1963	25.4 °C	1,568 mm	225
1962	39.1 °C22 March 1962	9.3 °C28 January 1962	25.4 °C	1,768 mm	225
1961	38.3 °C23 March 1961	7.3 °C19 January 1961	26.0 °C	1,527 mm	253
1960	40.1 °C2 May 1960	7.3 °C3 January 1960	26.1 °C	1,750 mm	251
1959	38.5 °C12 April 1959	11.1 °C14 January 1959	26.1 °C	1,632 mm	257
1958	40.3 °C25 April 1958	11.1 °C19 December 1958	25.9 °C	1,339 mm	245
1957	39.4 °C23 April 1957	12.4 °C12 February 1957	26.1 °C	1,852 mm	255
1956	38.9 °C24 March 1956	8.6 °C17 January 1956	25.6 °C	1,625 mm	243
1955	41.4 °C18 April 1955	4.1 °C12 January 1955	25.7 °C	1,252 mm	256
1954	39.4 °C18 April 1954	8.1 °C17 December 1954	26.0 °C	1,151 mm	262
1953	36.0 °C21 March 1953	9.6 °C13 December 1953	25.4 °C	1,796 mm	232
1952	37.8 °C12 April 1952	8.7 °C13 December 1952	25.7 °C	1,831 mm	240
1951	39.0 °C10 April 1951	11.3 °C2 January 1951	25.8 °C	1,443 mm	247
1950	39.3 °C24 April 1950	11.2 °C25 December 1950	25.8 °C	1,200 mm	240
1949	37.4 °C23 March 1949	8.7 °C16 January 1949	26.2 °C	1,341 mm	247
1948	39.0 °C13 March 1948	9.9 °C2 January 1948	25.6 °C	1,538 mm	221
1947	38.4 °C7 May 1947	9.8 °C21 December 1947	26.2 °C	1,101 mm	258
1946	38.6 °C27 March 1946	8.4 °C8 January 1946	26.5 °C	699 mm	287
1945	37.1 °C4 March 1945	9.4 °C18 January 1945	25.4 °C	1,504 mm	240
1944	38.6 °C27 March 1944	7.4 °C22 December 1944	26.0 °C	1,190 mm	262
1943	37.5 °C25 March 1943	10.2 °C13 January 1943	25.1 °C	1,367 mm	206
1942	37.1 °C20 April 1942	10.4 °C15 December 1942	25.3 °C	1,409 mm	184
1941	38.3 °C23 March 1941	14.4 °C2 February 1941	25.9 °C	1,470 mm	193
1940	37.8 °C10 March 1940	10.5 °C3 January 1940	25.1 °C	1,590 mm	182

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

32.0 °C

+0.6 °C

Hot days (≥ 30 °C)

283 d/yr

+22

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1536 mm

+67 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.7 °C	-0.4 °C	0 mm	-8 mm
Feb	32.2 °C	+0.8 °C	8 mm	-6 mm
Mar	34.2 °C	+0.4 °C	11 mm	-25 mm
Apr	35.5 °C	+0.7 °C	67 mm	-4 mm
May	33.3 °C	+0.1 °C	200 mm	+9 mm
Jun	32.9 °C	+0.6 °C	139 mm	-72 mm
Jul	31.2 °C	-0.5 °C	336 mm	+107 mm
Aug	32.1 °C	+1.0 °C	303 mm	+7 mm
Sep	31.6 °C	+0.7 °C	361 mm	+72 mm
Oct	32.0 °C	+1.4 °C	46 mm	-52 mm
Nov	29.3 °C	-0.5 °C	54 mm	+32 mm
Dec	30.7 °C	+2.4 °C	11 mm	+7 mm

The year's extremes

Hottest day

38.9 °C

27 Mar 2025

Coldest day

8.4 °C

13 Jan 2025

Wettest day

59.0 mm

31 Aug 2025

Windiest day

28.9 km/h

26 Jan 2025

Strongest gust

56.5 km/h

26 Jan 2025

Hottest feels-like

45.4 °C

25 Apr 2025

Coldest feels-like

6.3 °C

13 Jan 2025

Sunniest day

12.3 h

4 Aug 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 Ban Nong Wua So?

Ban Nong Wua So has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 1,469 mm of precipitation per year.

What is the hottest day ever recorded in Ban Nong Wua So?

The hottest day measured in Ban Nong Wua So between 1940 and 2025 was 17 April 2016, reaching 43.2 °C.

What is the coldest day in Ban Nong Wua So?

The coldest day measured in Ban Nong Wua So between 1940 and 2025 was 12 January 1955, at 4.1 °C.

Does it snow in Ban Nong Wua So?

Almost never: Ban Nong Wua So sees virtually no snow, with about 0 frost days per year.

Has the climate of Ban Nong Wua So warmed?

Yes: Ban Nong Wua So warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ban Nong Wua So?

The wettest day measured in Ban Nong Wua So between 1940 and 2025 was 2 June 1988, with 167 mm of rain in 24 hours.

What was the windiest day in Ban Nong Wua So?

The windiest day measured in Ban Nong Wua So between 1940 and 2025 was 18 August 1991, with winds reaching 34.9 km/h.

What is the warmest month in Ban Nong Wua So?

The warmest month in Ban Nong Wua So is April (29.2 °C on average); the coldest is December (22.2 °C).

How much does it rain in Ban Nong Wua So?

Ban Nong Wua So receives on average 1,469 mm of precipitation per year, spread over about 156 rainy days.

Is it sunny in Ban Nong Wua So?

Ban Nong Wua So gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Are there tropical nights in Ban Nong Wua So?

Yes: Ban Nong Wua So has on average 274 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ban Nong Wua So?

In Ban Nong Wua So, between 1940 and 2025, the highest apparent temperature reached 48.3 °C on 8 April 2024, and the lowest was 1.0 °C on 12 January 1955.

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