Bua Yai climate — normals and trends

Q: What is the climate of Bua Yai?

Bua Yai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.2 °C and it receives 1,153 mm of precipitation per year.

Q: What is the hottest day ever recorded in Bua Yai?

The hottest day measured in Bua Yai between 1940 and 2025 was 30 April 2024, reaching 43.1 °C.

Q: What is the coldest day in Bua Yai?

The coldest day measured in Bua Yai between 1940 and 2025 was 12 January 1955, at 6.9 °C.

Q: Does it snow in Bua Yai?

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

Q: Has the climate of Bua Yai warmed?

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

Q: What is the wettest day in Bua Yai?

The wettest day measured in Bua Yai between 1940 and 2025 was 27 July 2017, with 118 mm of rain in 24 hours.

Q: What was the windiest day in Bua Yai?

The windiest day measured in Bua Yai between 1940 and 2025 was 3 November 2009, with winds reaching 35.6 km/h.

Q: What is the warmest month in Bua Yai?

The warmest month in Bua Yai is April (29.9 °C on average); the coldest is December (23.5 °C).

Q: How much does it rain in Bua Yai?

Bua Yai receives on average 1,153 mm of precipitation per year, spread over about 156 rainy days.

Q: Is it sunny in Bua Yai?

Bua Yai gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Bua Yai (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.2 °C and it receives 1,153 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 (23.5 °C). Rainfall peaks in September.

Bua Yai averages 0 frost days, 298 hot days (≥ 30 °C) and 156 rainy days per year.

Bua Yai 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 43.1 °C (on 30 April 2024) and the coldest 6.9 °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

Bua YaiNakhon Ratchasima

coords: 15.59°, 102.43°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

27.2°C

Average daily high

32.6°C

Average daily low

23.0°C

Annual rainfall

1,153mm

Sunshine / day

10.1h

Mean relative humidity

69%

Average peak wind

13.9km/h

Seasonal range

6.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

298 d/yr

Rainy days (≥ 1 mm)

156 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.1 °C

Average feels-like low

25.7 °C

Average peak gust

32.3 km/h

Tropical nights (≥ 20 °C)

298 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 = 0.61 · 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

43.1 °C

30 April 2024

Coldest day

6.9 °C

12 January 1955

Wettest day

118 mm

27 July 2017

Windiest day

35.6 km/h

3 November 2009

Strongest gust

72.4 km/h

25 July 2024

Hottest feels-like

47.9 °C

12 April 1952

Coldest feels-like

2.8 °C

12 January 1955

Sunniest day

12.7 h

14 July 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.5 °C5 March 2025	11.8 °C13 January 2025	27.2 °C	1,297 mm	294
2024	43.1 °C30 April 2024	15.3 °C23 December 2024	28.8 °C	938 mm	337
2023	41.1 °C15 April 2023	13.2 °C30 January 2023	28.3 °C	1,061 mm	329
2022	39.0 °C27 April 2022	14.2 °C19 December 2022	27.3 °C	1,427 mm	304
2021	39.1 °C29 March 2021	11.6 °C13 January 2021	27.5 °C	1,399 mm	304
2020	41.1 °C1 April 2020	14.5 °C22 December 2020	28.2 °C	1,197 mm	316
2019	40.4 °C3 May 2019	13.3 °C7 December 2019	28.6 °C	964 mm	336
2018	39.0 °C24 April 2018	12.8 °C6 February 2018	27.6 °C	1,068 mm	323
2017	39.8 °C14 March 2017	11.6 °C20 December 2017	27.5 °C	1,516 mm	318
2016	42.7 °C11 April 2016	11.5 °C8 February 2016	28.4 °C	1,028 mm	332
2015	40.8 °C19 April 2015	13.4 °C14 January 2015	28.0 °C	1,071 mm	326
2014	39.9 °C31 March 2014	10.6 °C25 January 2014	27.7 °C	1,046 mm	328
2013	41.3 °C5 April 2013	12.4 °C28 December 2013	27.7 °C	1,140 mm	310
2012	39.3 °C26 April 2012	16.1 °C31 December 2012	28.0 °C	1,030 mm	341
2011	39.4 °C18 April 2011	13.5 °C12 December 2011	26.7 °C	1,305 mm	280
2010	41.5 °C15 April 2010	15.4 °C27 December 2010	28.2 °C	1,344 mm	308
2009	40.4 °C25 April 2009	11.1 °C11 January 2009	27.6 °C	1,130 mm	325
2008	38.1 °C30 March 2008	13.8 °C3 January 2008	26.9 °C	1,295 mm	283
2007	40.5 °C24 April 2007	12.9 °C4 February 2007	27.7 °C	1,261 mm	302
2006	39.0 °C13 April 2006	13.6 °C24 December 2006	27.9 °C	1,176 mm	327
2005	39.8 °C12 March 2005	11.9 °C2 January 2005	28.1 °C	947 mm	323
2004	41.0 °C28 March 2004	12.9 °C25 January 2004	27.7 °C	814 mm	337
2003	39.1 °C14 April 2003	13.6 °C12 January 2003	27.4 °C	1,080 mm	314
2002	39.8 °C7 April 2002	15.2 °C6 January 2002	27.9 °C	1,226 mm	325
2001	40.0 °C10 April 2001	14.0 °C23 December 2001	27.7 °C	1,007 mm	307
2000	38.7 °C4 April 2000	12.5 °C2 February 2000	27.0 °C	1,538 mm	300
1999	40.2 °C19 March 1999	8.7 °C25 December 1999	27.1 °C	1,375 mm	289
1998	42.4 °C14 April 1998	14.4 °C16 December 1998	28.7 °C	997 mm	334
1997	40.0 °C8 May 1997	13.4 °C12 January 1997	27.8 °C	1,034 mm	331
1996	40.5 °C20 March 1996	11.5 °C1 January 1996	27.0 °C	1,424 mm	292
1995	40.3 °C15 April 1995	12.3 °C31 December 1995	27.4 °C	1,178 mm	303
1994	40.0 °C11 April 1994	13.6 °C26 January 1994	27.6 °C	1,076 mm	324
1993	40.6 °C4 April 1993	11.4 °C31 January 1993	27.2 °C	972 mm	305
1992	41.7 °C13 April 1992	12.9 °C17 January 1992	27.5 °C	945 mm	294
1991	40.3 °C19 April 1991	16.1 °C29 December 1991	27.5 °C	1,211 mm	306
1990	41.0 °C24 April 1990	14.4 °C6 December 1990	27.5 °C	1,209 mm	308
1989	41.2 °C23 April 1989	14.3 °C5 December 1989	27.2 °C	1,153 mm	303
1988	40.2 °C17 March 1988	14.1 °C21 January 1988	27.5 °C	1,220 mm	293
1987	40.1 °C13 April 1987	12.5 °C9 December 1987	27.8 °C	1,178 mm	303
1986	41.2 °C20 March 1986	12.7 °C3 March 1986	27.5 °C	968 mm	315
1985	40.7 °C12 April 1985	12.9 °C17 December 1985	27.1 °C	1,107 mm	312
1984	39.9 °C17 March 1984	10.6 °C10 January 1984	27.0 °C	1,043 mm	293
1983	42.8 °C14 April 1983	10.7 °C24 January 1983	27.6 °C	1,246 mm	288
1982	40.5 °C16 March 1982	8.8 °C30 December 1982	27.4 °C	1,165 mm	314
1981	39.6 °C6 April 1981	11.6 °C14 January 1981	27.4 °C	847 mm	314
1980	40.8 °C25 April 1980	13.4 °C25 December 1980	27.5 °C	1,352 mm	308
1979	40.5 °C8 April 1979	14.2 °C27 December 1979	27.6 °C	1,358 mm	319
1978	41.9 °C22 March 1978	13.5 °C16 December 1978	27.4 °C	1,383 mm	301
1977	41.4 °C18 April 1977	13.0 °C23 February 1977	27.1 °C	1,119 mm	297
1976	39.8 °C17 April 1976	9.1 °C16 January 1976	26.7 °C	1,429 mm	288
1975	40.9 °C29 April 1975	8.5 °C30 December 1975	26.9 °C	1,315 mm	285
1974	38.4 °C13 July 1974	9.1 °C2 January 1974	26.8 °C	1,228 mm	282
1973	40.1 °C13 March 1973	10.6 °C27 December 1973	27.4 °C	1,129 mm	293
1972	40.1 °C29 May 1972	12.7 °C15 January 1972	27.3 °C	1,345 mm	305
1971	38.9 °C1 April 1971	10.9 °C5 January 1971	26.4 °C	992 mm	274
1970	39.4 °C17 March 1970	14.3 °C2 January 1970	27.3 °C	945 mm	292
1969	39.1 °C5 May 1969	12.8 °C5 December 1969	27.2 °C	1,015 mm	282
1968	39.1 °C3 April 1968	11.4 °C5 January 1968	27.1 °C	909 mm	324
1967	39.7 °C2 April 1967	9.5 °C17 January 1967	26.6 °C	834 mm	263
1966	38.5 °C29 April 1966	13.7 °C1 January 1966	26.8 °C	1,354 mm	279
1965	39.0 °C1 May 1965	11.2 °C23 January 1965	26.7 °C	1,243 mm	302
1964	39.8 °C7 April 1964	11.3 °C19 December 1964	26.7 °C	1,388 mm	277
1963	40.1 °C23 April 1963	8.1 °C16 January 1963	26.3 °C	1,175 mm	269
1962	39.7 °C3 April 1962	10.0 °C28 January 1962	26.3 °C	1,391 mm	261
1961	39.5 °C25 April 1961	10.0 °C19 January 1961	27.0 °C	980 mm	297
1960	40.8 °C29 April 1960	9.7 °C3 January 1960	27.2 °C	1,062 mm	297
1959	39.5 °C13 June 1959	12.5 °C14 January 1959	27.2 °C	993 mm	290
1958	40.0 °C25 April 1958	13.1 °C6 January 1958	26.8 °C	960 mm	275
1957	39.6 °C15 May 1957	13.1 °C3 January 1957	26.7 °C	1,410 mm	281
1956	38.3 °C18 March 1956	9.6 °C30 December 1956	26.1 °C	1,281 mm	270
1955	40.9 °C18 April 1955	6.9 °C12 January 1955	26.3 °C	1,156 mm	285
1954	40.4 °C18 April 1954	10.3 °C17 December 1954	26.8 °C	912 mm	309
1953	36.8 °C15 April 1953	12.9 °C12 December 1953	25.9 °C	1,788 mm	261
1952	39.9 °C12 April 1952	11.5 °C10 December 1952	26.6 °C	1,282 mm	289
1951	39.9 °C10 April 1951	12.3 °C2 January 1951	26.8 °C	887 mm	279
1950	40.4 °C24 April 1950	13.1 °C3 January 1950	26.7 °C	1,056 mm	277
1949	38.3 °C15 March 1949	9.8 °C16 January 1949	26.8 °C	944 mm	284
1948	38.9 °C13 March 1948	10.8 °C2 January 1948	26.3 °C	1,179 mm	256
1947	38.8 °C6 March 1947	12.2 °C21 December 1947	27.0 °C	1,011 mm	305
1946	38.9 °C5 April 1946	11.1 °C8 January 1946	27.0 °C	729 mm	308
1945	37.6 °C4 March 1945	12.0 °C19 January 1945	26.3 °C	1,118 mm	288
1944	39.2 °C10 April 1944	11.1 °C21 December 1944	26.7 °C	1,091 mm	290
1943	37.5 °C24 March 1943	11.5 °C13 January 1943	25.7 °C	1,313 mm	240
1942	36.7 °C23 February 1942	12.2 °C17 December 1942	26.0 °C	1,045 mm	245
1941	38.1 °C1 March 1941	15.8 °C25 December 1941	26.4 °C	1,047 mm	234
1940	38.5 °C11 March 1940	12.0 °C1 January 1940	25.7 °C	1,318 mm	237

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

32.5 °C

-0.1 °C

Hot days (≥ 30 °C)

294 d/yr

-4

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1297 mm

+144 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.3 °C	-0.4 °C	0 mm	-8 mm
Feb	33.9 °C	+0.7 °C	3 mm	-14 mm
Mar	34.3 °C	-1.0 °C	89 mm	+45 mm
Apr	35.9 °C	0.0 °C	76 mm	-3 mm
May	33.4 °C	-1.0 °C	268 mm	+114 mm
Jun	33.9 °C	+0.1 °C	111 mm	-14 mm
Jul	32.8 °C	-0.3 °C	117 mm	-20 mm
Aug	33.3 °C	+0.9 °C	197 mm	+26 mm
Sep	31.9 °C	+0.4 °C	204 mm	-48 mm
Oct	31.7 °C	+0.8 °C	124 mm	-8 mm
Nov	28.9 °C	-1.4 °C	100 mm	+70 mm
Dec	30.2 °C	+0.7 °C	8 mm	+3 mm

The year's extremes

Hottest day

39.5 °C

5 Mar 2025

Coldest day

11.8 °C

13 Jan 2025

Wettest day

54.6 mm

7 Nov 2025

Windiest day

29.4 km/h

23 Jul 2025

Strongest gust

69.5 km/h

23 Jul 2025

Hottest feels-like

45.4 °C

25 Apr 2025

Coldest feels-like

9.4 °C

13 Jan 2025

Sunniest day

12.4 h

18 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 Bua Yai?

Bua Yai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.2 °C and it receives 1,153 mm of precipitation per year.

What is the hottest day ever recorded in Bua Yai?

The hottest day measured in Bua Yai between 1940 and 2025 was 30 April 2024, reaching 43.1 °C.

What is the coldest day in Bua Yai?

The coldest day measured in Bua Yai between 1940 and 2025 was 12 January 1955, at 6.9 °C.

Does it snow in Bua Yai?

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

Has the climate of Bua Yai warmed?

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

What is the wettest day in Bua Yai?

The wettest day measured in Bua Yai between 1940 and 2025 was 27 July 2017, with 118 mm of rain in 24 hours.

What was the windiest day in Bua Yai?

The windiest day measured in Bua Yai between 1940 and 2025 was 3 November 2009, with winds reaching 35.6 km/h.

What is the warmest month in Bua Yai?

The warmest month in Bua Yai is April (29.9 °C on average); the coldest is December (23.5 °C).

How much does it rain in Bua Yai?

Bua Yai receives on average 1,153 mm of precipitation per year, spread over about 156 rainy days.

Is it sunny in Bua Yai?

Bua Yai gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Are there tropical nights in Bua Yai?

Yes: Bua Yai has on average 298 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Bua Yai?

In Bua Yai, between 1940 and 2025, the highest apparent temperature reached 47.9 °C on 12 April 1952, and the lowest was 2.8 °C on 12 January 1955.

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