Ban Phai climate — normals and trends

Q: What is the climate of Ban Phai?

Ban Phai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 1,135 mm of precipitation per year.

Q: What is the hottest day ever recorded in Ban Phai?

The hottest day measured in Ban Phai between 1940 and 2025 was 28 April 2024, reaching 43.3 °C.

Q: What is the coldest day in Ban Phai?

The coldest day measured in Ban Phai between 1940 and 2025 was 12 January 1955, at 5.9 °C.

Q: Does it snow in Ban Phai?

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

Q: Has the climate of Ban Phai warmed?

Yes: Ban Phai warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ban Phai?

The wettest day measured in Ban Phai between 1940 and 2025 was 26 July 2017, with 173 mm of rain in 24 hours.

Q: What was the windiest day in Ban Phai?

The windiest day measured in Ban Phai between 1940 and 2025 was 23 November 1975, with winds reaching 31.5 km/h.

Q: What is the warmest month in Ban Phai?

The warmest month in Ban Phai is April (29.9 °C on average); the coldest is December (23.1 °C).

Q: How much does it rain in Ban Phai?

Ban Phai receives on average 1,135 mm of precipitation per year, spread over about 146 rainy days.

Q: Is it sunny in Ban Phai?

Ban Phai gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Ban Phai (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 1,135 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 (29.9 °C on average) and the coldest is December (23.1 °C). Rainfall peaks in September.

Ban Phai averages 0 frost days, 291 hot days (≥ 30 °C) and 146 rainy days per year.

Ban Phai has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.

The hottest day of the period reached 43.3 °C (on 28 April 2024) and the coldest 5.9 °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 PhaiKhon Kaen

coords: 16.06°, 102.73°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

27.1°C

Average daily high

32.4°C

Average daily low

22.9°C

Annual rainfall

1,135mm

Sunshine / day

10.0h

Mean relative humidity

69%

Average peak wind

13.7km/h

Seasonal range

6.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

291 d/yr

Rainy days (≥ 1 mm)

146 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.9 °C

Average feels-like low

25.6 °C

Average peak gust

31.6 km/h

Tropical nights (≥ 20 °C)

290 d/yr

Solar radiation

18.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.59 · 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

43.3 °C

28 April 2024

Coldest day

5.9 °C

12 January 1955

Wettest day

173 mm

26 July 2017

Windiest day

31.5 km/h

23 November 1975

Strongest gust

72.7 km/h

8 October 2020

Hottest feels-like

48.7 °C

21 March 1953

Coldest feels-like

2.2 °C

12 January 1955

Sunniest day

12.7 h

14 July 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.7 °C5 March 2025	10.7 °C13 January 2025	27.0 °C	1,312 mm	286
2024	43.3 °C28 April 2024	14.5 °C23 December 2024	28.5 °C	1,026 mm	327
2023	41.5 °C15 April 2023	12.0 °C30 January 2023	28.2 °C	1,020 mm	324
2022	38.9 °C27 April 2022	13.5 °C19 December 2022	27.2 °C	1,295 mm	300
2021	38.5 °C26 February 2021	11.1 °C13 January 2021	27.4 °C	1,463 mm	294
2020	41.4 °C21 April 2020	13.9 °C22 December 2020	28.2 °C	1,107 mm	314
2019	41.5 °C20 April 2019	12.2 °C7 December 2019	28.7 °C	897 mm	336
2018	39.1 °C14 April 2018	12.5 °C6 February 2018	27.5 °C	974 mm	319
2017	39.4 °C14 March 2017	11.1 °C20 December 2017	27.5 °C	1,485 mm	315
2016	42.5 °C17 April 2016	10.6 °C8 February 2016	28.2 °C	1,163 mm	326
2015	40.5 °C19 April 2015	12.5 °C14 January 2015	28.0 °C	1,052 mm	322
2014	40.1 °C31 March 2014	10.6 °C24 January 2014	27.6 °C	1,027 mm	321
2013	41.3 °C5 April 2013	12.0 °C28 December 2013	27.6 °C	1,118 mm	303
2012	39.4 °C26 April 2012	15.7 °C20 February 2012	27.9 °C	938 mm	332
2011	38.4 °C21 March 2011	13.1 °C12 December 2011	26.6 °C	1,309 mm	276
2010	41.3 °C13 April 2010	14.7 °C27 December 2010	28.2 °C	1,268 mm	296
2009	40.9 °C25 April 2009	10.3 °C11 January 2009	27.4 °C	1,107 mm	315
2008	38.1 °C30 March 2008	12.9 °C3 January 2008	26.7 °C	1,263 mm	274
2007	40.8 °C24 April 2007	12.4 °C4 February 2007	27.6 °C	1,356 mm	297
2006	39.0 °C13 April 2006	12.7 °C22 December 2006	27.8 °C	1,154 mm	320
2005	40.6 °C11 April 2005	11.5 °C2 January 2005	28.0 °C	873 mm	318
2004	40.5 °C31 March 2004	12.5 °C25 January 2004	27.4 °C	909 mm	331
2003	39.8 °C7 May 2003	13.2 °C12 January 2003	27.4 °C	1,011 mm	307
2002	39.5 °C7 April 2002	14.4 °C6 January 2002	27.7 °C	1,333 mm	313
2001	40.5 °C10 April 2001	13.2 °C31 December 2001	27.6 °C	1,035 mm	305
2000	39.3 °C3 April 2000	12.0 °C2 February 2000	27.0 °C	1,442 mm	296
1999	40.6 °C11 March 1999	7.7 °C25 December 1999	27.0 °C	1,360 mm	288
1998	42.8 °C14 April 1998	14.8 °C13 December 1998	28.7 °C	916 mm	334
1997	40.2 °C8 May 1997	13.0 °C12 January 1997	27.7 °C	948 mm	328
1996	40.3 °C20 March 1996	10.9 °C1 January 1996	26.9 °C	1,385 mm	278
1995	40.2 °C23 April 1995	11.8 °C7 January 1995	27.4 °C	1,075 mm	295
1994	39.8 °C12 April 1994	13.2 °C24 January 1994	27.3 °C	1,205 mm	303
1993	40.4 °C28 March 1993	10.6 °C31 January 1993	27.1 °C	904 mm	298
1992	41.6 °C13 April 1992	12.1 °C2 December 1992	27.3 °C	1,022 mm	280
1991	40.4 °C17 April 1991	15.4 °C29 December 1991	27.5 °C	1,236 mm	299
1990	40.8 °C23 April 1990	13.8 °C6 December 1990	27.4 °C	1,068 mm	307
1989	40.7 °C23 April 1989	13.6 °C4 December 1989	27.0 °C	1,146 mm	287
1988	40.3 °C18 March 1988	13.4 °C13 December 1988	27.4 °C	1,091 mm	283
1987	40.1 °C25 March 1987	11.9 °C9 December 1987	27.7 °C	1,167 mm	294
1986	40.8 °C20 March 1986	12.1 °C4 March 1986	27.3 °C	957 mm	302
1985	40.9 °C12 April 1985	12.3 °C24 December 1985	27.0 °C	1,079 mm	304
1984	40.0 °C5 April 1984	10.1 °C10 January 1984	26.9 °C	1,133 mm	280
1983	42.4 °C14 April 1983	10.0 °C24 January 1983	27.3 °C	1,234 mm	282
1982	40.1 °C16 March 1982	9.0 °C29 December 1982	27.2 °C	1,158 mm	297
1981	40.3 °C6 April 1981	11.1 °C14 January 1981	27.3 °C	868 mm	305
1980	40.9 °C25 April 1980	13.1 °C24 December 1980	27.4 °C	1,387 mm	301
1979	40.1 °C8 April 1979	13.8 °C28 December 1979	27.4 °C	1,205 mm	311
1978	41.1 °C22 March 1978	12.9 °C16 December 1978	27.2 °C	1,453 mm	289
1977	40.3 °C9 June 1977	12.8 °C23 February 1977	27.1 °C	1,146 mm	294
1976	40.0 °C17 April 1976	9.1 °C16 January 1976	26.5 °C	1,401 mm	281
1975	41.1 °C29 April 1975	7.5 °C30 December 1975	26.8 °C	1,258 mm	281
1974	38.9 °C6 April 1974	7.8 °C2 January 1974	26.7 °C	1,250 mm	276
1973	40.5 °C12 April 1973	9.9 °C31 December 1973	27.3 °C	1,055 mm	284
1972	40.0 °C13 May 1972	11.7 °C19 January 1972	27.1 °C	1,191 mm	294
1971	39.0 °C1 April 1971	10.3 °C5 January 1971	26.0 °C	1,094 mm	258
1970	38.7 °C14 March 1970	13.7 °C20 January 1970	27.0 °C	996 mm	276
1969	39.0 °C22 March 1969	12.3 °C5 December 1969	27.1 °C	1,071 mm	273
1968	39.0 °C3 April 1968	11.0 °C5 January 1968	27.0 °C	926 mm	318
1967	39.6 °C31 March 1967	9.0 °C17 January 1967	26.6 °C	783 mm	257
1966	38.2 °C29 April 1966	13.4 °C1 January 1966	26.7 °C	1,411 mm	271
1965	37.8 °C30 April 1965	10.9 °C22 January 1965	26.6 °C	1,155 mm	301
1964	39.8 °C7 April 1964	10.5 °C19 December 1964	26.5 °C	1,407 mm	273
1963	40.6 °C23 April 1963	7.7 °C16 January 1963	26.2 °C	1,158 mm	263
1962	39.9 °C3 April 1962	9.4 °C28 January 1962	26.1 °C	1,526 mm	253
1961	39.4 °C23 March 1961	9.2 °C19 January 1961	26.8 °C	1,175 mm	278
1960	41.4 °C29 April 1960	8.6 °C3 January 1960	27.1 °C	1,175 mm	287
1959	39.0 °C2 April 1959	11.9 °C14 January 1959	27.0 °C	1,018 mm	290
1958	40.4 °C25 April 1958	12.7 °C6 January 1958	26.7 °C	1,030 mm	269
1957	40.0 °C15 May 1957	12.7 °C3 January 1957	26.7 °C	1,353 mm	283
1956	38.8 °C24 March 1956	9.4 °C17 January 1956	26.1 °C	1,188 mm	271
1955	41.0 °C18 April 1955	5.9 °C12 January 1955	26.3 °C	1,015 mm	284
1954	39.8 °C18 April 1954	9.6 °C17 December 1954	26.7 °C	865 mm	295
1953	36.8 °C15 April 1953	12.0 °C13 December 1953	25.9 °C	1,779 mm	262
1952	40.0 °C24 April 1952	10.8 °C10 December 1952	26.6 °C	1,261 mm	286
1951	39.3 °C10 April 1951	11.9 °C2 January 1951	26.6 °C	970 mm	269
1950	40.6 °C24 April 1950	12.6 °C25 December 1950	26.6 °C	1,035 mm	268
1949	37.8 °C15 March 1949	9.1 °C16 January 1949	26.7 °C	953 mm	278
1948	39.2 °C13 March 1948	10.0 °C2 January 1948	26.3 °C	1,115 mm	252
1947	38.5 °C6 March 1947	11.6 °C30 December 1947	26.9 °C	944 mm	298
1946	38.8 °C27 March 1946	10.2 °C8 January 1946	27.1 °C	611 mm	308
1945	37.7 °C4 March 1945	11.4 °C19 January 1945	26.2 °C	1,027 mm	287
1944	38.4 °C10 April 1944	10.3 °C22 December 1944	26.7 °C	980 mm	287
1943	37.5 °C24 March 1943	11.0 °C13 January 1943	25.6 °C	1,175 mm	238
1942	36.8 °C24 February 1942	11.3 °C17 December 1942	26.0 °C	1,059 mm	240
1941	38.1 °C1 March 1941	15.7 °C2 February 1941	26.4 °C	1,005 mm	233
1940	38.4 °C11 March 1940	11.3 °C3 January 1940	25.7 °C	1,148 mm	220

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

32.3 °C

-0.1 °C

Hot days (≥ 30 °C)

286 d/yr

-5

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1312 mm

+177 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.5 °C	-0.8 °C	0 mm	-8 mm
Feb	33.1 °C	+0.3 °C	2 mm	-13 mm
Mar	34.4 °C	-0.6 °C	56 mm	+17 mm
Apr	35.8 °C	0.0 °C	69 mm	-4 mm
May	33.6 °C	-0.7 °C	242 mm	+91 mm
Jun	33.4 °C	-0.3 °C	144 mm	+22 mm
Jul	32.2 °C	-0.9 °C	127 mm	-7 mm
Aug	33.1 °C	+0.8 °C	200 mm	+24 mm
Sep	31.9 °C	+0.5 °C	256 mm	-4 mm
Oct	31.7 °C	+0.9 °C	110 mm	-16 mm
Nov	28.7 °C	-1.4 °C	92 mm	+64 mm
Dec	30.0 °C	+0.8 °C	15 mm	+10 mm

The year's extremes

Hottest day

39.7 °C

5 Mar 2025

Coldest day

10.7 °C

13 Jan 2025

Wettest day

47.7 mm

7 Nov 2025

Windiest day

27.8 km/h

26 Jan 2025

Strongest gust

67.7 km/h

23 Jul 2025

Hottest feels-like

45.5 °C

25 Apr 2025

Coldest feels-like

8.6 °C

13 Jan 2025

Sunniest day

12.4 h

7 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 Ban Phai?

Ban Phai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 1,135 mm of precipitation per year.

What is the hottest day ever recorded in Ban Phai?

The hottest day measured in Ban Phai between 1940 and 2025 was 28 April 2024, reaching 43.3 °C.

What is the coldest day in Ban Phai?

The coldest day measured in Ban Phai between 1940 and 2025 was 12 January 1955, at 5.9 °C.

Does it snow in Ban Phai?

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

Has the climate of Ban Phai warmed?

Yes: Ban Phai warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ban Phai?

The wettest day measured in Ban Phai between 1940 and 2025 was 26 July 2017, with 173 mm of rain in 24 hours.

What was the windiest day in Ban Phai?

The windiest day measured in Ban Phai between 1940 and 2025 was 23 November 1975, with winds reaching 31.5 km/h.

What is the warmest month in Ban Phai?

The warmest month in Ban Phai is April (29.9 °C on average); the coldest is December (23.1 °C).

How much does it rain in Ban Phai?

Ban Phai receives on average 1,135 mm of precipitation per year, spread over about 146 rainy days.

Is it sunny in Ban Phai?

Ban Phai gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Are there tropical nights in Ban Phai?

Yes: Ban Phai has on average 290 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ban Phai?

In Ban Phai, between 1940 and 2025, the highest apparent temperature reached 48.7 °C on 21 March 1953, and the lowest was 2.2 °C on 12 January 1955.

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