Ubon Ratchathani climate — normals and trends

Q: What is the climate of Ubon Ratchathani?

Ubon Ratchathani has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.8 °C and it receives 1,480 mm of precipitation per year.

Q: What is the hottest day ever recorded in Ubon Ratchathani?

The hottest day measured in Ubon Ratchathani between 1940 and 2025 was 30 April 2024, reaching 42.2 °C.

Q: What is the coldest day in Ubon Ratchathani?

The coldest day measured in Ubon Ratchathani between 1940 and 2025 was 12 January 1955, at 8.1 °C.

Q: Does it snow in Ubon Ratchathani?

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

Q: Has the climate of Ubon Ratchathani warmed?

Yes: Ubon Ratchathani warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ubon Ratchathani?

The wettest day measured in Ubon Ratchathani between 1940 and 2025 was 18 September 2020, with 148 mm of rain in 24 hours.

Q: What was the windiest day in Ubon Ratchathani?

The windiest day measured in Ubon Ratchathani between 1940 and 2025 was 23 November 1975, with winds reaching 38.5 km/h.

Q: What is the warmest month in Ubon Ratchathani?

The warmest month in Ubon Ratchathani is April (29.4 °C on average); the coldest is December (23.5 °C).

Q: How much does it rain in Ubon Ratchathani?

Ubon Ratchathani receives on average 1,480 mm of precipitation per year, spread over about 175 rainy days.

Q: Is it sunny in Ubon Ratchathani?

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

Ubon Ratchathani (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.8 °C and it receives 1,480 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 (29.4 °C on average) and the coldest is December (23.5 °C). Rainfall peaks in September.

Ubon Ratchathani averages 0 frost days, 285 hot days (≥ 30 °C) and 175 rainy days per year.

Ubon Ratchathani has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 42.2 °C (on 30 April 2024) and the coldest 8.1 °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

Ubon RatchathaniUbon Ratchathani

coords: 15.24°, 104.85°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthJanuary

Mean daily temperature

26.8°C

Average daily high

31.8°C

Average daily low

22.9°C

Annual rainfall

1,480mm

Sunshine / day

10.1h

Mean relative humidity

73%

Average peak wind

14.1km/h

Seasonal range

5.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

285 d/yr

Rainy days (≥ 1 mm)

175 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.0 °C

Average feels-like low

25.8 °C

Average peak gust

31.6 km/h

Tropical nights (≥ 20 °C)

297 d/yr

Solar radiation

18.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °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

42.2 °C

30 April 2024

Coldest day

8.1 °C

12 January 1955

Wettest day

148 mm

18 September 2020

Windiest day

38.5 km/h

23 November 1975

Strongest gust

78.1 km/h

18 November 1979

Hottest feels-like

47.5 °C

8 April 2024

Coldest feels-like

4.5 °C

12 January 1955

Sunniest day

12.4 h

11 July 1951

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.7 °C29 March 2025	13.0 °C13 January 2025	27.1 °C	1,566 mm	301
2024	42.2 °C30 April 2024	15.6 °C30 December 2024	28.3 °C	1,329 mm	333
2023	40.5 °C7 May 2023	13.9 °C31 January 2023	27.8 °C	1,515 mm	319
2022	37.6 °C14 March 2022	15.1 °C19 December 2022	27.0 °C	1,915 mm	309
2021	38.3 °C31 March 2021	11.6 °C13 January 2021	27.2 °C	1,412 mm	290
2020	39.8 °C9 May 2020	14.7 °C22 December 2020	27.7 °C	1,525 mm	306
2019	39.0 °C2 May 2019	14.9 °C9 December 2019	27.9 °C	1,393 mm	328
2018	38.3 °C14 April 2018	13.1 °C7 February 2018	27.2 °C	1,378 mm	323
2017	37.8 °C14 March 2017	13.8 °C20 December 2017	27.3 °C	1,647 mm	328
2016	41.4 °C15 April 2016	12.6 °C8 February 2016	27.9 °C	1,369 mm	334
2015	40.7 °C20 April 2015	13.4 °C16 January 2015	27.9 °C	1,137 mm	326
2014	38.3 °C2 April 2014	12.1 °C25 January 2014	27.2 °C	1,304 mm	319
2013	39.9 °C6 April 2013	13.6 °C21 December 2013	27.2 °C	1,401 mm	309
2012	39.2 °C26 April 2012	16.2 °C20 February 2012	27.6 °C	1,261 mm	342
2011	37.4 °C7 March 2011	14.4 °C18 January 2011	26.4 °C	1,562 mm	273
2010	39.6 °C13 April 2010	15.6 °C18 December 2010	27.7 °C	1,497 mm	318
2009	37.6 °C19 April 2009	12.0 °C11 January 2009	26.9 °C	1,709 mm	307
2008	38.0 °C21 April 2008	14.9 °C2 January 2008	26.5 °C	1,409 mm	274
2007	39.8 °C1 April 2007	14.2 °C29 January 2007	27.2 °C	1,639 mm	294
2006	37.6 °C13 April 2006	14.1 °C10 January 2006	27.3 °C	1,479 mm	315
2005	38.6 °C6 May 2005	12.3 °C2 January 2005	27.3 °C	1,219 mm	307
2004	37.7 °C11 March 2004	13.5 °C25 January 2004	27.0 °C	1,296 mm	328
2003	38.8 °C13 April 2003	13.3 °C12 January 2003	27.2 °C	1,365 mm	313
2002	38.3 °C15 March 2002	15.1 °C6 January 2002	27.4 °C	1,610 mm	318
2001	40.6 °C10 April 2001	13.8 °C23 December 2001	27.3 °C	1,397 mm	304
2000	37.5 °C2 April 2000	13.4 °C2 February 2000	26.8 °C	1,740 mm	291
1999	38.1 °C19 March 1999	10.1 °C24 December 1999	26.6 °C	1,471 mm	281
1998	40.5 °C14 April 1998	16.1 °C15 December 1998	28.1 °C	1,225 mm	316
1997	37.2 °C6 May 1997	13.8 °C13 January 1997	27.0 °C	1,523 mm	306
1996	39.3 °C18 March 1996	13.1 °C2 January 1996	26.6 °C	1,681 mm	278
1995	38.9 °C23 April 1995	13.0 °C8 January 1995	27.0 °C	1,342 mm	292
1994	38.8 °C3 May 1994	13.1 °C24 January 1994	26.9 °C	1,467 mm	308
1993	38.7 °C4 April 1993	12.3 °C30 January 1993	26.6 °C	1,405 mm	280
1992	39.6 °C21 April 1992	12.9 °C17 January 1992	26.9 °C	1,431 mm	270
1991	39.8 °C19 April 1991	16.2 °C29 December 1991	27.3 °C	1,356 mm	290
1990	39.0 °C23 April 1990	15.4 °C5 December 1990	27.0 °C	1,759 mm	306
1989	38.3 °C23 April 1989	14.6 °C12 February 1989	26.8 °C	1,529 mm	285
1988	38.5 °C30 March 1988	14.9 °C12 December 1988	26.9 °C	1,542 mm	280
1987	38.9 °C13 April 1987	14.3 °C7 December 1987	27.3 °C	1,362 mm	298
1986	38.6 °C15 March 1986	12.9 °C3 March 1986	26.5 °C	1,946 mm	263
1985	38.8 °C13 April 1985	14.3 °C17 December 1985	26.6 °C	1,519 mm	295
1984	38.9 °C5 April 1984	11.4 °C10 January 1984	26.5 °C	1,523 mm	259
1983	40.7 °C13 April 1983	10.9 °C24 January 1983	27.2 °C	1,518 mm	294
1982	38.2 °C2 May 1982	9.8 °C30 December 1982	26.7 °C	1,505 mm	287
1981	37.5 °C4 April 1981	13.4 °C13 January 1981	26.7 °C	1,703 mm	279
1980	39.2 °C25 April 1980	14.0 °C25 December 1980	27.1 °C	2,083 mm	301
1979	38.8 °C7 April 1979	15.4 °C29 November 1979	27.2 °C	1,643 mm	312
1978	37.3 °C10 March 1978	13.8 °C23 January 1978	26.6 °C	2,009 mm	267
1977	37.7 °C6 June 1977	14.0 °C23 February 1977	26.5 °C	1,465 mm	278
1976	37.5 °C17 April 1976	11.1 °C16 January 1976	26.1 °C	1,753 mm	250
1975	38.6 °C16 April 1975	10.2 °C30 December 1975	26.2 °C	1,859 mm	257
1974	36.3 °C24 February 1974	11.4 °C2 January 1974	26.2 °C	1,621 mm	266
1973	39.6 °C12 April 1973	12.7 °C27 December 1973	27.1 °C	1,330 mm	280
1972	39.5 °C24 May 1972	13.3 °C10 January 1972	26.6 °C	1,712 mm	282
1971	37.3 °C4 April 1971	12.4 °C5 January 1971	25.9 °C	1,319 mm	238
1970	38.2 °C14 March 1970	13.7 °C20 January 1970	26.8 °C	1,149 mm	282
1969	38.3 °C21 April 1969	14.0 °C6 February 1969	26.9 °C	1,179 mm	262
1968	38.4 °C1 April 1968	13.2 °C2 January 1968	26.6 °C	1,424 mm	295
1967	37.6 °C4 April 1967	10.8 °C17 January 1967	26.0 °C	1,110 mm	234
1966	37.6 °C29 April 1966	14.6 °C1 January 1966	26.6 °C	1,701 mm	256
1965	37.7 °C29 April 1965	11.6 °C2 January 1965	26.4 °C	1,489 mm	288
1964	38.0 °C7 April 1964	13.0 °C19 December 1964	26.4 °C	1,572 mm	263
1963	39.3 °C21 April 1963	9.5 °C15 January 1963	25.9 °C	1,503 mm	263
1962	37.6 °C21 March 1962	10.6 °C28 January 1962	25.9 °C	1,672 mm	250
1961	37.8 °C13 April 1961	12.0 °C17 January 1961	26.5 °C	1,664 mm	275
1960	39.8 °C28 April 1960	11.5 °C3 January 1960	26.6 °C	1,778 mm	265
1959	38.6 °C5 May 1959	13.1 °C3 March 1959	26.8 °C	1,324 mm	293
1958	39.7 °C24 April 1958	13.8 °C6 January 1958	26.5 °C	1,544 mm	272
1957	38.5 °C15 May 1957	13.2 °C3 January 1957	26.5 °C	1,748 mm	273
1956	38.0 °C24 March 1956	10.5 °C18 January 1956	26.0 °C	1,486 mm	250
1955	39.8 °C18 April 1955	8.1 °C12 January 1955	26.3 °C	1,279 mm	279
1954	38.1 °C16 April 1954	12.1 °C17 December 1954	26.6 °C	1,012 mm	302
1953	35.0 °C15 April 1953	13.0 °C9 January 1953	26.2 °C	1,395 mm	287
1952	37.6 °C12 April 1952	12.3 °C10 December 1952	26.3 °C	1,609 mm	273
1951	38.2 °C10 April 1951	13.2 °C14 January 1951	26.6 °C	984 mm	282
1950	39.2 °C24 April 1950	14.1 °C20 December 1950	26.5 °C	1,106 mm	270
1949	37.6 °C15 March 1949	10.7 °C10 January 1949	26.5 °C	1,576 mm	257
1948	38.7 °C13 March 1948	13.0 °C2 January 1948	26.1 °C	1,580 mm	238
1947	38.1 °C24 April 1947	13.4 °C29 December 1947	26.7 °C	1,095 mm	307
1946	38.1 °C5 April 1946	12.8 °C8 January 1946	26.7 °C	874 mm	298
1945	37.5 °C4 March 1945	13.2 °C18 January 1945	25.8 °C	1,237 mm	271
1944	37.6 °C8 April 1944	12.4 °C21 December 1944	26.3 °C	1,364 mm	268
1943	37.2 °C24 March 1943	12.4 °C13 January 1943	25.3 °C	1,498 mm	210
1942	35.8 °C23 February 1942	13.9 °C17 December 1942	25.8 °C	1,342 mm	222
1941	36.7 °C1 March 1941	15.5 °C5 February 1941	26.1 °C	1,548 mm	224
1940	36.9 °C9 March 1940	12.5 °C5 January 1940	25.4 °C	1,778 mm	194

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

32.4 °C

+0.6 °C

Hot days (≥ 30 °C)

301 d/yr

+16

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1566 mm

+86 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.0 °C	-0.4 °C	0 mm	-5 mm
Feb	33.5 °C	+1.0 °C	1 mm	-13 mm
Mar	34.6 °C	+0.3 °C	20 mm	-23 mm
Apr	36.4 °C	+1.7 °C	35 mm	-53 mm
May	34.1 °C	+0.6 °C	193 mm	+16 mm
Jun	32.8 °C	+0.4 °C	193 mm	-12 mm
Jul	31.7 °C	+0.1 °C	278 mm	+52 mm
Aug	32.2 °C	+1.0 °C	217 mm	-45 mm
Sep	31.2 °C	+0.5 °C	328 mm	+36 mm
Oct	31.4 °C	+0.9 °C	172 mm	+46 mm
Nov	29.5 °C	-0.7 °C	127 mm	+91 mm
Dec	30.9 °C	+1.4 °C	2 mm	-4 mm

The year's extremes

Hottest day

38.7 °C

29 Mar 2025

Coldest day

13.0 °C

13 Jan 2025

Wettest day

48.3 mm

7 Nov 2025

Windiest day

33.6 km/h

25 Nov 2025

Strongest gust

66.6 km/h

11 Jan 2025

Hottest feels-like

44.8 °C

28 Apr 2025

Coldest feels-like

11.2 °C

13 Jan 2025

Sunniest day

12.1 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 Ubon Ratchathani?

Ubon Ratchathani has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.8 °C and it receives 1,480 mm of precipitation per year.

What is the hottest day ever recorded in Ubon Ratchathani?

The hottest day measured in Ubon Ratchathani between 1940 and 2025 was 30 April 2024, reaching 42.2 °C.

What is the coldest day in Ubon Ratchathani?

The coldest day measured in Ubon Ratchathani between 1940 and 2025 was 12 January 1955, at 8.1 °C.

Does it snow in Ubon Ratchathani?

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

Has the climate of Ubon Ratchathani warmed?

Yes: Ubon Ratchathani warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ubon Ratchathani?

The wettest day measured in Ubon Ratchathani between 1940 and 2025 was 18 September 2020, with 148 mm of rain in 24 hours.

What was the windiest day in Ubon Ratchathani?

The windiest day measured in Ubon Ratchathani between 1940 and 2025 was 23 November 1975, with winds reaching 38.5 km/h.

What is the warmest month in Ubon Ratchathani?

The warmest month in Ubon Ratchathani is April (29.4 °C on average); the coldest is December (23.5 °C).

How much does it rain in Ubon Ratchathani?

Ubon Ratchathani receives on average 1,480 mm of precipitation per year, spread over about 175 rainy days.

Is it sunny in Ubon Ratchathani?

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

Are there tropical nights in Ubon Ratchathani?

Yes: Ubon Ratchathani has on average 297 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ubon Ratchathani?

In Ubon Ratchathani, between 1940 and 2025, the highest apparent temperature reached 47.5 °C on 8 April 2024, and the lowest was 4.5 °C on 12 January 1955.

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