Raojān climate — normals and trends

Q: What is the climate of Raojān?

Raojān has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.0 °C and it receives 2,305 mm of precipitation per year.

Q: What is the hottest day ever recorded in Raojān?

The hottest day measured in Raojān between 1940 and 2025 was 15 April 1956, reaching 41.3 °C.

Q: What is the coldest day in Raojān?

The coldest day measured in Raojān between 1940 and 2025 was 10 January 2013, at 7.3 °C.

Q: Does it snow in Raojān?

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

Q: Has the climate of Raojān warmed?

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

Q: What is the wettest day in Raojān?

The wettest day measured in Raojān between 1940 and 2025 was 11 June 2018, with 263 mm of rain in 24 hours.

Q: What was the windiest day in Raojān?

The windiest day measured in Raojān between 1940 and 2025 was 30 April 1991, with winds reaching 52.7 km/h.

Q: What is the warmest month in Raojān?

The warmest month in Raojān is May (27.9 °C on average); the coldest is January (19.1 °C).

Q: How much does it rain in Raojān?

Raojān receives on average 2,305 mm of precipitation per year, spread over about 178 rainy days.

Q: Is it sunny in Raojān?

Raojān gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Raojān (Bangladesh) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.0 °C and it receives 2,305 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 May (27.9 °C on average) and the coldest is January (19.1 °C). Rainfall peaks in June.

Raojān averages 0 frost days, 180 hot days (≥ 30 °C) and 178 rainy days per year.

Raojān 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 41.3 °C (on 15 April 1956) and the coldest 7.3 °C (on 10 January 2013).

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

RaojānChittagong

coords: 22.54°, 91.92°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthJanuaryWettest monthJuneDriest monthJanuary

Mean daily temperature

25.0°C

Average daily high

29.6°C

Average daily low

21.5°C

Annual rainfall

2,305mm

Sunshine / day

9.3h

Mean relative humidity

80%

Average peak wind

12.0km/h

Seasonal range

8.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

180 d/yr

Rainy days (≥ 1 mm)

178 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.7 °C

Average feels-like low

24.5 °C

Average peak gust

29.7 km/h

Tropical nights (≥ 20 °C)

248 d/yr

Solar radiation

17.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.68 · 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

41.3 °C

15 April 1956

Coldest day

7.3 °C

10 January 2013

Wettest day

263 mm

11 June 2018

Windiest day

52.7 km/h

30 April 1991

Strongest gust

140.4 km/h

30 April 1991

Hottest feels-like

45.5 °C

23 May 2021

Coldest feels-like

5.2 °C

10 January 2013

Sunniest day

12.8 h

8 June 1974

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.0 °C11 May 2025	12.8 °C30 January 2025	26.0 °C	2,050 mm	244
2024	39.1 °C11 April 2024	11.3 °C17 January 2024	26.2 °C	2,567 mm	251
2023	40.4 °C8 May 2023	12.2 °C20 January 2023	26.3 °C	1,807 mm	250
2022	36.7 °C18 March 2022	11.3 °C30 January 2022	26.1 °C	1,464 mm	264
2021	39.6 °C25 April 2021	9.7 °C1 February 2021	26.2 °C	1,935 mm	252
2020	37.6 °C14 March 2020	10.7 °C27 January 2020	25.7 °C	2,070 mm	233
2019	40.7 °C24 April 2019	12.4 °C5 January 2019	26.1 °C	1,623 mm	243
2018	36.6 °C16 April 2018	10.3 °C29 January 2018	25.3 °C	1,963 mm	232
2017	37.7 °C27 May 2017	11.2 °C14 January 2017	25.6 °C	2,313 mm	218
2016	38.2 °C11 May 2016	10.6 °C26 January 2016	25.9 °C	2,300 mm	232
2015	37.1 °C13 April 2015	11.6 °C2 February 2015	25.6 °C	2,855 mm	220
2014	40.5 °C20 April 2014	11.9 °C9 January 2014	25.8 °C	1,400 mm	234
2013	36.6 °C16 March 2013	7.3 °C10 January 2013	25.5 °C	2,125 mm	218
2012	36.9 °C1 April 2012	10.3 °C17 January 2012	25.4 °C	1,770 mm	216
2011	36.1 °C12 April 2011	10.0 °C13 January 2011	25.3 °C	2,144 mm	210
2010	36.9 °C17 March 2010	12.0 °C12 January 2010	25.9 °C	2,209 mm	232
2009	36.0 °C14 March 2009	11.6 °C29 December 2009	25.8 °C	2,018 mm	229
2008	37.2 °C22 April 2008	11.2 °C15 February 2008	25.3 °C	2,119 mm	193
2007	37.9 °C1 May 2007	11.2 °C19 January 2007	25.1 °C	2,869 mm	183
2006	37.0 °C30 March 2006	12.0 °C13 January 2006	25.7 °C	1,841 mm	221
2005	37.6 °C20 April 2005	12.5 °C1 January 2005	25.7 °C	1,852 mm	210
2004	36.3 °C4 May 2004	11.4 °C30 December 2004	25.2 °C	2,306 mm	187
2003	36.4 °C7 April 2003	9.8 °C23 January 2003	25.4 °C	1,892 mm	213
2002	35.7 °C17 March 2002	12.8 °C26 January 2002	25.4 °C	2,180 mm	211
2001	36.4 °C24 April 2001	10.3 °C27 January 2001	25.2 °C	2,359 mm	207
2000	36.3 °C24 March 2000	11.2 °C19 January 2000	24.9 °C	2,309 mm	174
1999	35.8 °C20 March 1999	12.3 °C13 January 1999	25.4 °C	2,111 mm	199
1998	35.9 °C13 May 1998	11.6 °C4 January 1998	25.4 °C	2,541 mm	203
1997	35.0 °C17 May 1997	9.5 °C25 January 1997	24.6 °C	2,027 mm	165
1996	35.0 °C21 March 1996	12.0 °C21 January 1996	25.0 °C	2,493 mm	179
1995	37.0 °C3 April 1995	10.5 °C5 January 1995	25.4 °C	2,305 mm	200
1994	35.7 °C30 April 1994	12.2 °C19 December 1994	25.1 °C	2,101 mm	180
1993	35.0 °C5 April 1993	10.2 °C24 January 1993	24.5 °C	2,679 mm	160
1992	35.4 °C25 April 1992	11.8 °C26 December 1992	24.8 °C	2,096 mm	174
1991	37.2 °C18 March 1991	11.4 °C22 January 1991	24.9 °C	2,504 mm	162
1990	35.0 °C11 May 1990	11.6 °C11 January 1990	24.9 °C	2,458 mm	153
1989	35.7 °C27 March 1989	10.2 °C13 January 1989	24.7 °C	1,963 mm	184
1988	35.6 °C8 April 1988	11.7 °C28 January 1988	25.3 °C	2,086 mm	193
1987	35.6 °C13 May 1987	11.7 °C5 January 1987	25.1 °C	2,045 mm	183
1986	36.6 °C5 April 1986	12.3 °C17 January 1986	25.1 °C	2,082 mm	186
1985	34.5 °C5 April 1985	11.6 °C19 January 1985	24.9 °C	1,839 mm	170
1984	37.3 °C14 April 1984	10.6 °C19 January 1984	24.7 °C	2,298 mm	160
1983	34.5 °C19 April 1983	10.5 °C7 February 1983	24.6 °C	2,782 mm	150
1982	38.8 °C23 May 1982	11.6 °C18 January 1982	24.9 °C	1,724 mm	179
1981	33.6 °C20 March 1981	12.2 °C3 January 1981	24.8 °C	2,011 mm	190
1980	37.8 °C7 April 1980	11.7 °C10 January 1980	25.1 °C	1,812 mm	185
1979	37.3 °C25 April 1979	11.1 °C12 January 1979	25.6 °C	2,069 mm	210
1978	37.2 °C10 April 1978	9.9 °C7 January 1978	24.8 °C	1,992 mm	195
1977	36.2 °C24 March 1977	10.6 °C5 January 1977	24.6 °C	2,226 mm	149
1976	35.8 °C3 April 1976	10.7 °C13 December 1976	24.7 °C	2,655 mm	171
1975	36.0 °C24 March 1975	9.5 °C22 January 1975	24.5 °C	2,611 mm	158
1974	34.9 °C14 March 1974	11.0 °C13 January 1974	24.4 °C	2,783 mm	147
1973	38.5 °C25 March 1973	12.7 °C19 January 1973	25.1 °C	2,924 mm	172
1972	35.1 °C22 April 1972	10.7 °C10 January 1972	25.0 °C	1,965 mm	176
1971	35.6 °C23 March 1971	10.9 °C29 December 1971	24.2 °C	2,957 mm	119
1970	35.9 °C6 April 1970	10.5 °C30 January 1970	24.8 °C	2,768 mm	167
1969	38.2 °C31 March 1969	10.2 °C23 January 1969	24.9 °C	2,448 mm	203
1968	37.3 °C8 May 1968	9.9 °C3 February 1968	24.6 °C	2,700 mm	147
1967	35.4 °C8 April 1967	9.6 °C31 January 1967	24.5 °C	2,571 mm	143
1966	35.8 °C16 May 1966	10.8 °C23 December 1966	24.4 °C	3,000 mm	147
1965	34.8 °C16 March 1965	9.7 °C10 January 1965	24.4 °C	3,635 mm	127
1964	36.8 °C14 March 1964	9.4 °C19 January 1964	24.7 °C	2,347 mm	176
1963	36.2 °C28 March 1963	10.0 °C12 January 1963	24.6 °C	3,230 mm	141
1962	36.4 °C25 March 1962	9.6 °C17 January 1962	24.6 °C	2,251 mm	186
1961	35.6 °C14 April 1961	10.4 °C15 January 1961	24.7 °C	2,145 mm	162
1960	41.1 °C30 April 1960	10.4 °C27 January 1960	24.9 °C	3,069 mm	168
1959	36.3 °C8 April 1959	11.0 °C2 January 1959	24.3 °C	2,848 mm	113
1958	36.4 °C25 March 1958	12.0 °C28 December 1958	25.2 °C	2,401 mm	178
1957	37.9 °C26 March 1957	11.7 °C16 February 1957	25.0 °C	1,652 mm	185
1956	41.3 °C15 April 1956	10.4 °C26 January 1956	24.7 °C	2,578 mm	166
1955	37.2 °C12 March 1955	10.7 °C17 January 1955	24.8 °C	2,185 mm	171
1954	36.1 °C28 April 1954	11.0 °C16 January 1954	24.7 °C	2,133 mm	152
1953	33.7 °C1 April 1953	10.5 °C26 January 1953	24.2 °C	2,436 mm	132
1952	34.8 °C20 February 1952	11.6 °C31 December 1952	24.4 °C	2,179 mm	149
1951	35.1 °C15 March 1951	11.1 °C26 January 1951	24.3 °C	3,140 mm	110
1950	37.1 °C7 April 1950	10.4 °C14 February 1950	24.5 °C	2,999 mm	127
1949	33.2 °C13 July 1949	11.5 °C24 December 1949	24.0 °C	3,751 mm	103
1948	34.9 °C13 March 1948	11.6 °C29 December 1948	24.5 °C	2,767 mm	116
1947	38.7 °C10 May 1947	10.7 °C17 January 1947	25.0 °C	2,259 mm	169
1946	39.0 °C20 March 1946	11.0 °C5 January 1946	24.7 °C	2,450 mm	149
1945	37.6 °C20 April 1945	11.2 °C5 February 1945	24.8 °C	1,786 mm	161
1944	37.9 °C21 March 1944	12.2 °C20 January 1944	24.9 °C	2,008 mm	164
1943	33.9 °C6 April 1943	11.0 °C8 February 1943	24.3 °C	1,434 mm	136
1942	36.8 °C16 April 1942	11.8 °C25 January 1942	24.3 °C	2,365 mm	140
1941	37.0 °C22 March 1941	10.6 °C14 January 1941	24.2 °C	2,250 mm	140
1940	34.7 °C30 April 1940	11.2 °C12 January 1940	24.2 °C	1,987 mm	134

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

31.0 °C

+1.4 °C

Hot days (≥ 30 °C)

244 d/yr

+64

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2050 mm

-255 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.3 °C	+1.5 °C	0 mm	-7 mm
Feb	30.8 °C	+1.9 °C	2 mm	-14 mm
Mar	33.5 °C	+1.5 °C	2 mm	-47 mm
Apr	33.6 °C	+1.1 °C	57 mm	-59 mm
May	33.5 °C	+1.6 °C	245 mm	+4 mm
Jun	31.1 °C	+0.8 °C	532 mm	+67 mm
Jul	30.3 °C	+0.7 °C	481 mm	+18 mm
Aug	31.1 °C	+1.2 °C	300 mm	-79 mm
Sep	32.0 °C	+1.7 °C	273 mm	-32 mm
Oct	32.3 °C	+2.1 °C	105 mm	-88 mm
Nov	29.8 °C	+1.4 °C	53 mm	+1 mm
Dec	26.7 °C	+0.8 °C	0 mm	-18 mm

The year's extremes

Hottest day

38.0 °C

11 May 2025

Coldest day

12.8 °C

30 Jan 2025

Wettest day

100.2 mm

18 Jun 2025

Windiest day

34.1 km/h

30 May 2025

Strongest gust

68.4 km/h

30 May 2025

Hottest feels-like

44.6 °C

11 May 2025

Coldest feels-like

12.1 °C

9 Feb 2025

Sunniest day

12.6 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 Raojān?

Raojān has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.0 °C and it receives 2,305 mm of precipitation per year.

What is the hottest day ever recorded in Raojān?

The hottest day measured in Raojān between 1940 and 2025 was 15 April 1956, reaching 41.3 °C.

What is the coldest day in Raojān?

The coldest day measured in Raojān between 1940 and 2025 was 10 January 2013, at 7.3 °C.

Does it snow in Raojān?

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

Has the climate of Raojān warmed?

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

What is the wettest day in Raojān?

The wettest day measured in Raojān between 1940 and 2025 was 11 June 2018, with 263 mm of rain in 24 hours.

What was the windiest day in Raojān?

The windiest day measured in Raojān between 1940 and 2025 was 30 April 1991, with winds reaching 52.7 km/h.

What is the warmest month in Raojān?

The warmest month in Raojān is May (27.9 °C on average); the coldest is January (19.1 °C).

How much does it rain in Raojān?

Raojān receives on average 2,305 mm of precipitation per year, spread over about 178 rainy days.

Is it sunny in Raojān?

Raojān gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Are there tropical nights in Raojān?

Yes: Raojān has on average 248 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Raojān?

In Raojān, between 1940 and 2025, the highest apparent temperature reached 45.5 °C on 23 May 2021, and the lowest was 5.2 °C on 10 January 2013.

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