Nakhon Luang climate — normals and trends

Q: What is the climate of Nakhon Luang?

Nakhon Luang has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.3 °C and it receives 1,270 mm of precipitation per year.

Q: What is the hottest day ever recorded in Nakhon Luang?

The hottest day measured in Nakhon Luang between 1940 and 2025 was 4 May 1980, reaching 42.5 °C.

Q: What is the coldest day in Nakhon Luang?

The coldest day measured in Nakhon Luang between 1940 and 2025 was 12 January 1955, at 11.9 °C.

Q: Does it snow in Nakhon Luang?

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

Q: Has the climate of Nakhon Luang warmed?

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

Q: What is the wettest day in Nakhon Luang?

The wettest day measured in Nakhon Luang between 1940 and 2025 was 12 September 2006, with 127 mm of rain in 24 hours.

Q: What was the windiest day in Nakhon Luang?

The windiest day measured in Nakhon Luang between 1940 and 2025 was 26 October 1943, with winds reaching 30.7 km/h.

Q: What is the warmest month in Nakhon Luang?

The warmest month in Nakhon Luang is April (30.7 °C on average); the coldest is December (26.0 °C).

Q: How much does it rain in Nakhon Luang?

Nakhon Luang receives on average 1,270 mm of precipitation per year, spread over about 174 rainy days.

Q: Is it sunny in Nakhon Luang?

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

Nakhon Luang (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.3 °C and it receives 1,270 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 (30.7 °C on average) and the coldest is December (26.0 °C). Rainfall peaks in September.

Nakhon Luang averages 0 frost days, 335 hot days (≥ 30 °C) and 174 rainy days per year.

Nakhon Luang 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 42.5 °C (on 4 May 1980) and the coldest 11.9 °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

Nakhon LuangPhra Nakhon Si Ayutthaya

coords: 14.46°, 100.61°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

28.3°C

Average daily high

33.5°C

Average daily low

24.5°C

Annual rainfall

1,270mm

Sunshine / day

10.1h

Mean relative humidity

71%

Average peak wind

13.6km/h

Seasonal range

4.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

335 d/yr

Rainy days (≥ 1 mm)

174 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.9 °C

Average feels-like low

28.1 °C

Average peak gust

31.4 km/h

Tropical nights (≥ 20 °C)

342 d/yr

Solar radiation

18.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.73 · 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

42.5 °C

4 May 1980

Coldest day

11.9 °C

12 January 1955

Wettest day

127 mm

12 September 2006

Windiest day

30.7 km/h

26 October 1943

Strongest gust

74.2 km/h

8 August 2008

Hottest feels-like

48.2 °C

18 April 1953

Coldest feels-like

8.0 °C

12 January 1955

Sunniest day

12.8 h

12 July 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.1 °C25 April 2025	16.4 °C29 November 2025	28.7 °C	1,512 mm	342
2024	41.1 °C27 April 2024	19.6 °C23 December 2024	29.8 °C	1,217 mm	358
2023	40.9 °C6 May 2023	17.6 °C30 January 2023	29.7 °C	987 mm	353
2022	39.0 °C16 April 2022	18.1 °C19 December 2022	28.7 °C	1,400 mm	340
2021	40.5 °C19 May 2021	16.3 °C13 January 2021	28.9 °C	1,596 mm	336
2020	40.4 °C21 April 2020	18.9 °C21 December 2020	29.6 °C	1,149 mm	338
2019	41.1 °C20 April 2019	17.5 °C7 December 2019	29.9 °C	1,016 mm	350
2018	39.2 °C24 April 2018	18.4 °C13 January 2018	29.0 °C	1,278 mm	348
2017	40.8 °C21 April 2017	15.6 °C20 December 2017	29.1 °C	1,445 mm	346
2016	40.8 °C6 April 2016	13.9 °C26 January 2016	29.6 °C	1,000 mm	355
2015	40.2 °C19 May 2015	18.2 °C16 January 2015	29.4 °C	1,022 mm	351
2014	39.3 °C22 April 2014	13.5 °C25 January 2014	28.9 °C	1,063 mm	347
2013	41.1 °C2 May 2013	16.2 °C28 December 2013	28.7 °C	1,268 mm	339
2012	39.9 °C30 April 2012	20.3 °C9 January 2012	29.1 °C	1,240 mm	360
2011	38.6 °C18 April 2011	17.2 °C17 March 2011	28.1 °C	1,484 mm	335
2010	41.0 °C10 May 2010	19.1 °C18 December 2010	29.2 °C	1,407 mm	343
2009	40.4 °C8 May 2009	15.4 °C11 January 2009	28.6 °C	1,261 mm	344
2008	38.9 °C9 May 2008	17.4 °C2 January 2008	28.3 °C	1,413 mm	343
2007	40.0 °C1 April 2007	16.5 °C5 February 2007	29.1 °C	1,253 mm	351
2006	39.1 °C3 May 2006	16.2 °C24 December 2006	29.2 °C	1,294 mm	350
2005	40.9 °C6 May 2005	15.8 °C3 January 2005	29.2 °C	1,219 mm	341
2004	41.0 °C15 April 2004	17.7 °C15 February 2004	29.2 °C	942 mm	358
2003	41.2 °C7 May 2003	17.3 °C14 January 2003	29.1 °C	1,021 mm	357
2002	39.7 °C22 April 2002	18.7 °C1 January 2002	29.1 °C	1,308 mm	353
2001	41.5 °C21 April 2001	17.8 °C31 December 2001	29.0 °C	1,266 mm	349
2000	40.7 °C4 April 2000	15.7 °C4 February 2000	28.6 °C	1,317 mm	353
1999	39.3 °C11 March 1999	12.5 °C25 December 1999	28.3 °C	1,473 mm	339
1998	40.9 °C13 April 1998	18.9 °C17 December 1998	29.5 °C	1,132 mm	351
1997	41.2 °C4 May 1997	16.4 °C13 January 1997	29.4 °C	936 mm	360
1996	39.9 °C31 March 1996	14.3 °C2 January 1996	28.3 °C	1,403 mm	347
1995	41.2 °C15 April 1995	15.2 °C8 January 1995	28.6 °C	1,492 mm	342
1994	40.3 °C7 April 1994	17.7 °C26 January 1994	28.8 °C	1,256 mm	355
1993	41.2 °C28 April 1993	15.8 °C31 January 1993	28.8 °C	971 mm	346
1992	41.2 °C14 April 1992	17.0 °C18 January 1992	28.6 °C	1,067 mm	336
1991	39.5 °C10 April 1991	18.5 °C1 November 1991	28.9 °C	1,084 mm	352
1990	41.0 °C23 April 1990	16.9 °C6 December 1990	29.0 °C	1,141 mm	348
1989	40.3 °C19 April 1989	16.6 °C4 December 1989	28.7 °C	1,044 mm	352
1988	39.1 °C17 March 1988	17.1 °C14 December 1988	28.5 °C	1,305 mm	339
1987	40.3 °C11 April 1987	15.7 °C9 December 1987	28.7 °C	1,147 mm	335
1986	38.7 °C27 March 1986	15.9 °C7 January 1986	28.0 °C	1,305 mm	332
1985	39.9 °C13 April 1985	16.0 °C24 December 1985	28.1 °C	1,326 mm	338
1984	40.2 °C5 May 1984	13.6 °C10 January 1984	28.2 °C	847 mm	347
1983	41.3 °C22 May 1983	15.7 °C23 January 1983	28.5 °C	1,271 mm	314
1982	39.3 °C2 May 1982	13.5 °C30 December 1982	28.2 °C	1,046 mm	338
1981	39.3 °C23 March 1981	15.0 °C19 January 1981	28.0 °C	1,261 mm	333
1980	42.5 °C4 May 1980	16.4 °C25 December 1980	28.8 °C	1,123 mm	353
1979	40.8 °C20 April 1979	17.2 °C27 December 1979	29.0 °C	1,023 mm	358
1978	41.0 °C30 April 1978	16.3 °C16 December 1978	28.4 °C	1,399 mm	340
1977	39.2 °C18 April 1977	17.3 °C23 February 1977	28.4 °C	1,031 mm	355
1976	40.4 °C17 April 1976	12.6 °C1 January 1976	27.6 °C	1,648 mm	327
1975	40.2 °C29 April 1975	13.0 °C31 December 1975	27.6 °C	1,540 mm	317
1974	38.3 °C8 May 1974	13.9 °C2 January 1974	27.7 °C	1,464 mm	328
1973	40.9 °C23 April 1973	13.5 °C27 December 1973	28.4 °C	1,099 mm	339
1972	41.9 °C8 May 1972	14.7 °C16 January 1972	28.1 °C	1,729 mm	335
1971	39.0 °C25 April 1971	15.0 °C11 January 1971	27.5 °C	1,208 mm	315
1970	42.1 °C12 May 1970	17.4 °C2 January 1970	28.1 °C	1,254 mm	336
1969	40.5 °C4 April 1969	16.1 °C5 December 1969	28.3 °C	1,288 mm	330
1968	40.6 °C27 May 1968	14.4 °C6 January 1968	28.3 °C	1,016 mm	354
1967	40.0 °C2 May 1967	13.4 °C17 January 1967	27.8 °C	1,132 mm	330
1966	38.7 °C27 April 1966	17.8 °C3 January 1966	27.5 °C	1,582 mm	296
1965	40.4 °C1 May 1965	14.4 °C21 January 1965	27.8 °C	1,384 mm	340
1964	39.1 °C6 April 1964	15.2 °C19 December 1964	27.7 °C	1,414 mm	313
1963	41.2 °C16 May 1963	13.3 °C16 January 1963	27.7 °C	1,451 mm	320
1962	39.5 °C23 March 1962	15.3 °C6 December 1962	27.9 °C	1,207 mm	331
1961	39.4 °C25 April 1961	13.6 °C19 January 1961	28.1 °C	1,041 mm	341
1960	42.0 °C25 April 1960	12.0 °C4 January 1960	28.6 °C	1,079 mm	339
1959	38.9 °C2 April 1959	17.2 °C3 March 1959	28.2 °C	1,088 mm	345
1958	39.7 °C26 March 1958	16.5 °C25 November 1958	27.9 °C	1,057 mm	309
1957	40.8 °C15 May 1957	14.0 °C6 February 1957	27.8 °C	1,532 mm	337
1956	38.4 °C22 March 1956	12.6 °C17 January 1956	27.3 °C	1,208 mm	313
1955	39.5 °C18 April 1955	11.9 °C12 January 1955	27.2 °C	1,513 mm	316
1954	39.2 °C17 April 1954	14.6 °C17 December 1954	27.9 °C	1,057 mm	336
1953	36.1 °C15 April 1953	15.4 °C12 December 1953	26.4 °C	2,630 mm	270
1952	39.5 °C30 April 1952	14.7 °C12 December 1952	27.5 °C	1,669 mm	318
1951	40.6 °C9 April 1951	14.8 °C2 January 1951	27.9 °C	1,107 mm	322
1950	39.9 °C23 April 1950	15.0 °C3 January 1950	27.5 °C	1,276 mm	308
1949	38.3 °C14 May 1949	14.5 °C17 January 1949	27.7 °C	912 mm	333
1948	38.0 °C22 March 1948	14.6 °C2 January 1948	27.5 °C	1,259 mm	319
1947	39.0 °C6 March 1947	15.5 °C30 December 1947	28.0 °C	1,110 mm	343
1946	39.3 °C12 March 1946	15.3 °C31 December 1946	27.3 °C	1,248 mm	334
1945	37.6 °C1 April 1945	16.6 °C31 December 1945	27.2 °C	1,450 mm	320
1944	40.4 °C4 May 1944	14.8 °C21 December 1944	27.5 °C	1,398 mm	307
1943	38.1 °C7 April 1943	15.8 °C26 January 1943	26.9 °C	1,401 mm	295
1942	37.5 °C25 April 1942	14.7 °C17 December 1942	26.9 °C	1,332 mm	280
1941	39.2 °C26 April 1941	18.6 °C24 January 1941	27.3 °C	1,386 mm	277
1940	38.9 °C11 March 1940	13.3 °C5 January 1940	27.0 °C	1,584 mm	290

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

33.6 °C

+0.1 °C

Hot days (≥ 30 °C)

342 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1512 mm

+242 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.0 °C	-0.6 °C	0 mm	-14 mm
Feb	34.9 °C	+0.7 °C	16 mm	-10 mm
Mar	36.5 °C	+0.7 °C	49 mm	+6 mm
Apr	36.8 °C	+0.3 °C	70 mm	-4 mm
May	34.1 °C	-0.9 °C	252 mm	+102 mm
Jun	34.1 °C	+0.2 °C	127 mm	-22 mm
Jul	33.4 °C	+0.1 °C	187 mm	+33 mm
Aug	34.2 °C	+1.1 °C	171 mm	-3 mm
Sep	32.7 °C	+0.4 °C	343 mm	+77 mm
Oct	32.7 °C	+0.8 °C	151 mm	-19 mm
Nov	30.2 °C	-1.6 °C	138 mm	+95 mm
Dec	32.0 °C	+0.5 °C	9 mm	+1 mm

The year's extremes

Hottest day

39.1 °C

25 Apr 2025

Coldest day

16.4 °C

29 Nov 2025

Wettest day

67.1 mm

7 Sep 2025

Windiest day

24.6 km/h

19 Nov 2025

Strongest gust

67.3 km/h

23 Jul 2025

Hottest feels-like

45.4 °C

28 Feb 2025

Coldest feels-like

14.6 °C

12 Jan 2025

Sunniest day

12.7 h

17 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 Nakhon Luang?

Nakhon Luang has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.3 °C and it receives 1,270 mm of precipitation per year.

What is the hottest day ever recorded in Nakhon Luang?

The hottest day measured in Nakhon Luang between 1940 and 2025 was 4 May 1980, reaching 42.5 °C.

What is the coldest day in Nakhon Luang?

The coldest day measured in Nakhon Luang between 1940 and 2025 was 12 January 1955, at 11.9 °C.

Does it snow in Nakhon Luang?

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

Has the climate of Nakhon Luang warmed?

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

What is the wettest day in Nakhon Luang?

The wettest day measured in Nakhon Luang between 1940 and 2025 was 12 September 2006, with 127 mm of rain in 24 hours.

What was the windiest day in Nakhon Luang?

The windiest day measured in Nakhon Luang between 1940 and 2025 was 26 October 1943, with winds reaching 30.7 km/h.

What is the warmest month in Nakhon Luang?

The warmest month in Nakhon Luang is April (30.7 °C on average); the coldest is December (26.0 °C).

How much does it rain in Nakhon Luang?

Nakhon Luang receives on average 1,270 mm of precipitation per year, spread over about 174 rainy days.

Is it sunny in Nakhon Luang?

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

Are there tropical nights in Nakhon Luang?

Yes: Nakhon Luang has on average 342 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Nakhon Luang?

In Nakhon Luang, between 1940 and 2025, the highest apparent temperature reached 48.2 °C on 18 April 1953, and the lowest was 8.0 °C on 12 January 1955.

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