Bang Bo District climate — normals and trends

Q: What is the climate of Bang Bo District?

Bang Bo District has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.1 °C and it receives 1,184 mm of precipitation per year.

Q: What is the hottest day ever recorded in Bang Bo District?

The hottest day measured in Bang Bo District between 1940 and 2025 was 23 April 1990, reaching 37.5 °C.

Q: What is the coldest day in Bang Bo District?

The coldest day measured in Bang Bo District between 1940 and 2025 was 12 January 1955, at 13.3 °C.

Q: Does it snow in Bang Bo District?

Almost never: Bang Bo District sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Bang Bo District warmed?

Yes: Bang Bo District warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Bang Bo District?

The wettest day measured in Bang Bo District between 1940 and 2025 was 6 September 2012, with 141 mm of rain in 24 hours.

Q: What was the windiest day in Bang Bo District?

The windiest day measured in Bang Bo District between 1940 and 2025 was 6 October 1960, with winds reaching 35.7 km/h.

Q: What is the warmest month in Bang Bo District?

The warmest month in Bang Bo District is April (29.6 °C on average); the coldest is December (26.1 °C).

Q: How much does it rain in Bang Bo District?

Bang Bo District receives on average 1,184 mm of precipitation per year, spread over about 174 rainy days.

Q: Is it sunny in Bang Bo District?

Bang Bo District gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Bang Bo District (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.1 °C and it receives 1,184 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 (29.6 °C on average) and the coldest is December (26.1 °C). Rainfall peaks in September.

Bang Bo District averages 0 frost days, 293 hot days (≥ 30 °C) and 174 rainy days per year.

Bang Bo District 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 37.5 °C (on 23 April 1990) and the coldest 13.3 °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

Bang Bo DistrictSamut Prakan

coords: 13.58°, 100.82°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

28.1°C

Average daily high

31.2°C

Average daily low

25.5°C

Annual rainfall

1,184mm

Sunshine / day

10.1h

Mean relative humidity

75%

Average peak wind

16.4km/h

Seasonal range

3.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

293 d/yr

Rainy days (≥ 1 mm)

174 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.8 °C

Average feels-like low

29.3 °C

Average peak gust

32.4 km/h

Tropical nights (≥ 20 °C)

355 d/yr

Solar radiation

18.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.74 · 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

37.5 °C

23 April 1990

Coldest day

13.3 °C

12 January 1955

Wettest day

141 mm

6 September 2012

Windiest day

35.7 km/h

6 October 1960

Strongest gust

76.3 km/h

9 August 2007

Hottest feels-like

44.3 °C

11 April 2024

Coldest feels-like

10.3 °C

25 December 1999

Sunniest day

12.7 h

6 July 2023

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.1 °C25 April 2025	17.5 °C13 January 2025	28.4 °C	1,145 mm	320
2024	36.4 °C21 April 2024	19.6 °C23 December 2024	29.4 °C	1,103 mm	344
2023	36.6 °C6 May 2023	19.1 °C30 January 2023	29.1 °C	958 mm	342
2022	35.2 °C14 April 2022	19.1 °C19 December 2022	28.5 °C	1,470 mm	314
2021	35.4 °C4 July 2021	16.7 °C13 January 2021	28.4 °C	1,270 mm	320
2020	35.4 °C8 May 2020	19.3 °C21 December 2020	29.0 °C	1,139 mm	335
2019	36.3 °C2 May 2019	18.4 °C7 December 2019	29.1 °C	821 mm	337
2018	34.1 °C4 December 2018	18.5 °C13 January 2018	28.4 °C	1,441 mm	319
2017	35.5 °C25 April 2017	16.3 °C20 December 2017	28.5 °C	1,398 mm	328
2016	35.7 °C11 May 2016	16.4 °C8 February 2016	28.9 °C	1,090 mm	336
2015	36.0 °C1 June 2015	18.6 °C16 January 2015	28.9 °C	1,011 mm	332
2014	35.5 °C11 May 2014	16.2 °C24 January 2014	28.6 °C	887 mm	328
2013	36.8 °C16 May 2013	17.1 °C28 December 2013	28.4 °C	1,150 mm	311
2012	36.6 °C25 April 2012	21.2 °C9 January 2012	28.9 °C	1,133 mm	343
2011	34.3 °C24 May 2011	18.7 °C17 March 2011	28.0 °C	1,254 mm	305
2010	37.0 °C10 May 2010	20.1 °C18 December 2010	28.9 °C	1,116 mm	329
2009	36.1 °C23 April 2009	15.9 °C12 January 2009	28.4 °C	1,098 mm	329
2008	34.1 °C17 April 2008	19.2 °C2 January 2008	28.2 °C	1,109 mm	312
2007	35.3 °C16 June 2007	19.1 °C29 January 2007	28.6 °C	1,124 mm	323
2006	35.4 °C3 May 2006	17.9 °C24 December 2006	28.8 °C	1,233 mm	333
2005	35.6 °C6 May 2005	18.0 °C19 December 2005	28.7 °C	1,028 mm	318
2004	36.0 °C16 April 2004	19.6 °C25 January 2004	28.7 °C	940 mm	335
2003	35.4 °C28 May 2003	18.3 °C21 December 2003	28.7 °C	987 mm	332
2002	35.1 °C9 April 2002	19.6 °C3 January 2002	28.8 °C	1,035 mm	337
2001	36.2 °C20 April 2001	18.2 °C24 December 2001	28.4 °C	1,210 mm	313
2000	35.3 °C4 April 2000	18.6 °C2 February 2000	28.3 °C	1,116 mm	324
1999	34.8 °C20 March 1999	13.4 °C25 December 1999	27.9 °C	1,264 mm	289
1998	36.5 °C20 July 1998	19.0 °C17 December 1998	29.1 °C	1,079 mm	335
1997	36.1 °C20 June 1997	18.4 °C13 January 1997	28.7 °C	908 mm	337
1996	35.8 °C10 April 1996	16.4 °C1 January 1996	28.1 °C	1,420 mm	308
1995	36.4 °C23 April 1995	16.7 °C8 January 1995	28.3 °C	1,352 mm	313
1994	36.3 °C5 May 1994	19.8 °C30 December 1994	28.4 °C	1,069 mm	330
1993	36.0 °C1 May 1993	16.4 °C31 January 1993	28.2 °C	962 mm	319
1992	36.1 °C10 May 1992	17.7 °C2 December 1992	28.3 °C	870 mm	303
1991	35.2 °C18 May 1991	20.3 °C15 November 1991	28.6 °C	945 mm	337
1990	37.5 °C23 April 1990	17.6 °C6 December 1990	28.7 °C	823 mm	344
1989	35.8 °C4 April 1989	18.8 °C4 December 1989	28.3 °C	822 mm	316
1988	35.1 °C6 April 1988	18.4 °C14 December 1988	28.1 °C	1,302 mm	300
1987	36.4 °C11 April 1987	16.6 °C8 December 1987	28.4 °C	1,146 mm	316
1986	34.4 °C21 April 1986	16.6 °C7 January 1986	27.9 °C	1,154 mm	301
1985	36.4 °C12 April 1985	17.2 °C17 December 1985	27.9 °C	1,205 mm	286
1984	36.0 °C5 May 1984	15.5 °C10 January 1984	27.9 °C	857 mm	297
1983	36.2 °C21 May 1983	16.0 °C25 January 1983	28.0 °C	1,254 mm	275
1982	35.7 °C2 May 1982	15.2 °C21 December 1982	28.0 °C	859 mm	302
1981	34.8 °C28 April 1981	16.6 °C14 January 1981	27.8 °C	1,073 mm	288
1980	36.8 °C25 April 1980	18.9 °C25 December 1980	28.4 °C	1,040 mm	333
1979	37.0 °C20 April 1979	18.1 °C27 December 1979	28.5 °C	907 mm	336
1978	35.8 °C30 April 1978	18.4 °C16 December 1978	28.1 °C	1,235 mm	314
1977	35.6 °C8 June 1977	19.2 °C6 March 1977	28.1 °C	735 mm	323
1976	35.4 °C13 April 1976	14.3 °C1 January 1976	27.3 °C	1,392 mm	271
1975	36.2 °C29 April 1975	14.2 °C30 December 1975	27.3 °C	1,485 mm	273
1974	35.0 °C22 April 1974	15.6 °C2 January 1974	27.4 °C	1,576 mm	265
1973	35.1 °C23 April 1973	14.7 °C27 December 1973	27.9 °C	1,145 mm	307
1972	35.6 °C4 May 1972	15.8 °C16 January 1972	27.8 °C	1,444 mm	293
1971	34.0 °C10 March 1971	16.1 °C5 January 1971	27.0 °C	1,281 mm	240
1970	35.9 °C10 May 1970	19.2 °C21 December 1970	27.7 °C	1,301 mm	285
1969	35.0 °C5 May 1969	17.4 °C5 December 1969	28.0 °C	1,153 mm	291
1968	34.3 °C28 May 1968	16.9 °C6 January 1968	27.8 °C	1,044 mm	298
1967	36.5 °C2 May 1967	14.7 °C17 January 1967	27.6 °C	1,047 mm	289
1966	34.8 °C26 April 1966	18.3 °C2 January 1966	27.6 °C	1,449 mm	214
1965	35.5 °C2 May 1965	17.3 °C22 January 1965	27.6 °C	1,362 mm	293
1964	34.7 °C6 April 1964	16.5 °C19 December 1964	27.6 °C	1,228 mm	282
1963	35.7 °C3 May 1963	14.1 °C16 January 1963	27.5 °C	1,239 mm	273
1962	33.9 °C16 May 1962	16.2 °C6 December 1962	27.5 °C	1,230 mm	273
1961	35.2 °C30 March 1961	15.3 °C19 January 1961	27.7 °C	1,090 mm	272
1960	36.0 °C25 March 1960	15.3 °C3 January 1960	28.0 °C	1,125 mm	295
1959	35.0 °C27 April 1959	18.3 °C3 March 1959	27.9 °C	1,118 mm	286
1958	35.4 °C5 April 1958	18.8 °C6 January 1958	27.8 °C	996 mm	264
1957	35.8 °C18 May 1957	19.0 °C1 January 1957	27.7 °C	1,609 mm	278
1956	33.3 °C30 March 1956	16.5 °C17 January 1956	27.2 °C	1,274 mm	242
1955	34.5 °C18 April 1955	13.3 °C12 January 1955	27.2 °C	1,563 mm	264
1954	35.2 °C16 April 1954	16.0 °C17 December 1954	27.8 °C	963 mm	293
1953	34.1 °C19 April 1953	16.2 °C12 December 1953	26.8 °C	2,554 mm	206
1952	34.3 °C2 May 1952	15.9 °C12 December 1952	27.5 °C	1,473 mm	276
1951	34.6 °C10 April 1951	18.3 °C2 January 1951	27.7 °C	969 mm	272
1950	35.8 °C23 April 1950	18.6 °C20 December 1950	27.6 °C	1,087 mm	255
1949	34.3 °C24 February 1949	16.6 °C17 January 1949	27.4 °C	980 mm	266
1948	33.4 °C2 May 1948	15.9 °C3 January 1948	27.3 °C	1,144 mm	232
1947	35.0 °C7 May 1947	17.1 °C30 December 1947	27.7 °C	1,170 mm	270
1946	34.8 °C10 March 1946	17.4 °C9 January 1946	27.3 °C	1,334 mm	243
1945	33.9 °C1 April 1945	17.8 °C18 January 1945	27.1 °C	1,400 mm	200
1944	35.2 °C4 May 1944	14.9 °C21 December 1944	27.3 °C	1,458 mm	214
1943	33.9 °C27 April 1943	17.3 °C13 January 1943	26.7 °C	1,367 mm	168
1942	34.2 °C24 March 1942	17.3 °C7 December 1942	27.0 °C	1,174 mm	185
1941	35.3 °C7 May 1941	21.2 °C25 December 1941	27.4 °C	1,478 mm	193
1940	35.0 °C11 March 1940	15.3 °C3 January 1940	26.9 °C	1,567 mm	157

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

31.6 °C

+0.4 °C

Hot days (≥ 30 °C)

320 d/yr

+27

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1145 mm

-39 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.0 °C	-0.5 °C	1 mm	-17 mm
Feb	31.5 °C	+0.3 °C	39 mm	+8 mm
Mar	32.4 °C	+0.3 °C	41 mm	-6 mm
Apr	33.0 °C	+0.1 °C	66 mm	-11 mm
May	31.9 °C	-0.4 °C	236 mm	+88 mm
Jun	32.5 °C	+0.9 °C	74 mm	-41 mm
Jul	31.9 °C	+0.7 °C	105 mm	-17 mm
Aug	32.6 °C	+1.5 °C	90 mm	-37 mm
Sep	31.0 °C	+0.4 °C	248 mm	+15 mm
Oct	31.3 °C	+0.8 °C	144 mm	-58 mm
Nov	29.6 °C	-1.0 °C	98 mm	+41 mm
Dec	31.1 °C	+0.9 °C	5 mm	-6 mm

The year's extremes

Hottest day

35.1 °C

25 Apr 2025

Coldest day

17.5 °C

13 Jan 2025

Wettest day

41.1 mm

7 Sep 2025

Windiest day

30.1 km/h

27 Jan 2025

Strongest gust

68.4 km/h

23 Jul 2025

Hottest feels-like

43.0 °C

25 Apr 2025

Coldest feels-like

16.3 °C

13 Jan 2025

Sunniest day

12.5 h

1 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 Bang Bo District?

Bang Bo District has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.1 °C and it receives 1,184 mm of precipitation per year.

What is the hottest day ever recorded in Bang Bo District?

The hottest day measured in Bang Bo District between 1940 and 2025 was 23 April 1990, reaching 37.5 °C.

What is the coldest day in Bang Bo District?

The coldest day measured in Bang Bo District between 1940 and 2025 was 12 January 1955, at 13.3 °C.

Does it snow in Bang Bo District?

Almost never: Bang Bo District sees virtually no snow, with about 0 frost days per year.

Has the climate of Bang Bo District warmed?

Yes: Bang Bo District warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Bang Bo District?

The wettest day measured in Bang Bo District between 1940 and 2025 was 6 September 2012, with 141 mm of rain in 24 hours.

What was the windiest day in Bang Bo District?

The windiest day measured in Bang Bo District between 1940 and 2025 was 6 October 1960, with winds reaching 35.7 km/h.

What is the warmest month in Bang Bo District?

The warmest month in Bang Bo District is April (29.6 °C on average); the coldest is December (26.1 °C).

How much does it rain in Bang Bo District?

Bang Bo District receives on average 1,184 mm of precipitation per year, spread over about 174 rainy days.

Is it sunny in Bang Bo District?

Bang Bo District gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Are there tropical nights in Bang Bo District?

Yes: Bang Bo District has on average 355 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Bang Bo District?

In Bang Bo District, between 1940 and 2025, the highest apparent temperature reached 44.3 °C on 11 April 2024, and the lowest was 10.3 °C on 25 December 1999.

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