Banda Aceh climate — normals and trends

Q: What is the climate of Banda Aceh?

Banda Aceh has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 2,188 mm of precipitation per year.

Q: What is the hottest day ever recorded in Banda Aceh?

The hottest day measured in Banda Aceh between 1940 and 2025 was 19 July 2024, reaching 34.1 °C.

Q: What is the coldest day in Banda Aceh?

The coldest day measured in Banda Aceh between 1940 and 2025 was 28 January 1946, at 20.0 °C.

Q: Does it snow in Banda Aceh?

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

Q: Has the climate of Banda Aceh warmed?

Yes: Banda Aceh warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Banda Aceh?

The wettest day measured in Banda Aceh between 1940 and 2025 was 28 December 2013, with 246 mm of rain in 24 hours.

Q: What was the windiest day in Banda Aceh?

The windiest day measured in Banda Aceh between 1940 and 2025 was 8 May 2020, with winds reaching 32.4 km/h.

Q: What is the warmest month in Banda Aceh?

The warmest month in Banda Aceh is June (26.8 °C on average); the coldest is November (25.4 °C).

Q: How much does it rain in Banda Aceh?

Banda Aceh receives on average 2,188 mm of precipitation per year, spread over about 242 rainy days.

Q: Is it sunny in Banda Aceh?

Banda Aceh gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Banda Aceh (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 2,188 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 June (26.8 °C on average) and the coldest is November (25.4 °C). Rainfall peaks in November.

Banda Aceh averages 0 frost days, 71 hot days (≥ 30 °C) and 242 rainy days per year.

Banda Aceh has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.1 °C (on 19 July 2024) and the coldest 20.0 °C (on 28 January 1946).

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

Banda AcehSpecial Region of Aceh

coords: 5.54°, 95.33°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthJuneColdest monthNovemberWettest monthNovemberDriest monthFebruary

Mean daily temperature

26.1°C

Average daily high

28.8°C

Average daily low

24.2°C

Annual rainfall

2,188mm

Sunshine / day

9.9h

Mean relative humidity

84%

Average peak wind

13.5km/h

Seasonal range

1.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

71 d/yr

Rainy days (≥ 1 mm)

242 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.0 °C

Average feels-like low

28.2 °C

Average peak gust

32.6 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

18.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.82 · 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

34.1 °C

19 July 2024

Coldest day

20.0 °C

28 January 1946

Wettest day

246 mm

28 December 2013

Windiest day

32.4 km/h

8 May 2020

Strongest gust

77.0 km/h

21 June 1985

Hottest feels-like

41.1 °C

29 April 2024

Coldest feels-like

21.4 °C

28 January 1946

Sunniest day

12.3 h

25 May 1949

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.5 °C4 July 2025	23.5 °C3 February 2025	26.9 °C	2,316 mm	162
2024	34.1 °C19 July 2024	23.8 °C7 February 2024	27.5 °C	2,224 mm	226
2023	32.8 °C20 June 2023	21.6 °C18 January 2023	26.9 °C	2,041 mm	158
2022	32.2 °C17 May 2022	22.2 °C31 December 2022	26.5 °C	2,845 mm	122
2021	31.8 °C25 July 2021	22.8 °C27 December 2021	26.7 °C	2,625 mm	137
2020	32.3 °C14 March 2020	23.2 °C7 January 2020	26.9 °C	3,173 mm	176
2019	32.6 °C6 August 2019	22.5 °C12 February 2019	26.9 °C	1,729 mm	184
2018	32.8 °C12 June 2018	22.2 °C13 February 2018	26.6 °C	2,511 mm	111
2017	33.1 °C18 July 2017	22.5 °C11 February 2017	26.6 °C	3,130 mm	101
2016	33.1 °C18 May 2016	23.4 °C11 September 2016	26.9 °C	2,187 mm	152
2015	32.1 °C25 June 2015	22.6 °C13 February 2015	26.7 °C	2,439 mm	118
2014	32.2 °C14 March 2014	21.9 °C12 February 2014	26.7 °C	2,539 mm	136
2013	31.6 °C26 July 2013	22.9 °C20 February 2013	26.6 °C	2,622 mm	107
2012	32.5 °C3 September 2012	23.0 °C16 February 2012	26.7 °C	2,147 mm	131
2011	32.2 °C30 July 2011	22.4 °C19 January 2011	26.6 °C	2,046 mm	119
2010	32.5 °C20 May 2010	23.1 °C16 January 2010	26.8 °C	2,525 mm	138
2009	31.8 °C17 July 2009	22.7 °C17 February 2009	26.6 °C	2,130 mm	108
2008	31.9 °C12 August 2008	22.3 °C23 February 2008	26.4 °C	2,229 mm	111
2007	31.6 °C2 July 2007	21.9 °C28 December 2007	26.4 °C	2,299 mm	99
2006	32.3 °C4 July 2006	22.3 °C23 January 2006	26.5 °C	1,896 mm	109
2005	31.5 °C5 July 2005	22.7 °C8 February 2005	26.5 °C	2,497 mm	123
2004	32.4 °C13 August 2004	23.4 °C21 December 2004	26.5 °C	2,043 mm	89
2003	32.0 °C23 June 2003	22.2 °C20 December 2003	26.5 °C	1,946 mm	95
2002	32.0 °C21 August 2002	22.7 °C11 February 2002	26.6 °C	2,011 mm	120
2001	31.8 °C9 June 2001	22.8 °C25 February 2001	26.3 °C	2,168 mm	75
2000	31.4 °C2 September 2000	22.0 °C4 February 2000	26.1 °C	2,343 mm	55
1999	31.3 °C18 August 1999	22.0 °C9 January 1999	26.0 °C	2,515 mm	40
1998	32.9 °C20 May 1998	23.1 °C22 January 1998	26.6 °C	2,176 mm	124
1997	32.2 °C28 August 1997	22.2 °C5 January 1997	26.3 °C	2,099 mm	92
1996	31.3 °C24 June 1996	21.2 °C28 December 1996	25.9 °C	2,879 mm	44
1995	31.7 °C14 May 1995	22.1 °C15 March 1995	26.1 °C	2,520 mm	47
1994	32.2 °C16 July 1994	21.7 °C13 December 1994	26.1 °C	2,230 mm	62
1993	31.0 °C8 June 1993	22.2 °C23 February 1993	26.0 °C	2,356 mm	36
1992	31.7 °C20 March 1992	22.4 °C10 January 1992	26.0 °C	1,762 mm	39
1991	31.6 °C28 April 1991	21.8 °C17 February 1991	26.2 °C	1,953 mm	74
1990	31.7 °C13 September 1990	22.4 °C8 January 1990	26.2 °C	1,693 mm	68
1989	31.5 °C13 June 1989	21.8 °C5 February 1989	26.0 °C	1,900 mm	50
1988	31.6 °C9 June 1988	22.1 °C16 December 1988	26.3 °C	2,420 mm	94
1987	31.4 °C9 June 1987	21.4 °C7 February 1987	26.4 °C	2,144 mm	88
1986	31.2 °C19 July 1986	22.0 °C21 February 1986	26.0 °C	2,123 mm	37
1985	31.8 °C14 July 1985	22.2 °C16 January 1985	26.0 °C	2,137 mm	54
1984	31.2 °C18 June 1984	22.4 °C8 March 1984	25.9 °C	2,125 mm	26
1983	31.7 °C25 August 1983	22.7 °C2 December 1983	26.4 °C	2,128 mm	88
1982	31.5 °C29 June 1982	21.3 °C18 January 1982	26.1 °C	1,936 mm	56
1981	32.2 °C12 August 1981	21.5 °C18 February 1981	26.1 °C	2,188 mm	75
1980	31.3 °C16 September 1980	22.2 °C11 February 1980	26.2 °C	2,163 mm	83
1979	31.5 °C12 August 1979	22.6 °C17 January 1979	26.3 °C	2,121 mm	72
1978	30.6 °C26 May 1978	22.4 °C30 November 1978	26.0 °C	2,727 mm	30
1977	31.6 °C10 May 1977	21.4 °C19 February 1977	26.2 °C	2,114 mm	84
1976	31.7 °C18 July 1976	21.0 °C20 January 1976	25.9 °C	2,344 mm	69
1975	32.1 °C11 July 1975	21.8 °C22 January 1975	25.9 °C	1,862 mm	73
1974	31.5 °C11 July 1974	21.6 °C3 March 1974	25.7 °C	1,773 mm	40
1973	31.4 °C8 July 1973	22.3 °C7 February 1973	26.0 °C	2,049 mm	75
1972	31.7 °C3 July 1972	21.6 °C8 January 1972	25.9 °C	1,898 mm	63
1971	31.2 °C4 June 1971	21.8 °C20 November 1971	25.5 °C	1,955 mm	39
1970	31.8 °C20 August 1970	22.1 °C21 December 1970	26.1 °C	1,804 mm	87
1969	32.1 °C28 May 1969	22.7 °C11 January 1969	25.9 °C	2,229 mm	61
1968	31.0 °C19 September 1968	21.6 °C18 February 1968	25.6 °C	1,730 mm	18
1967	31.6 °C5 August 1967	21.5 °C28 December 1967	25.7 °C	1,974 mm	45
1966	31.3 °C22 July 1966	22.2 °C16 January 1966	25.6 °C	2,727 mm	23
1965	31.1 °C20 July 1965	21.4 °C9 January 1965	25.5 °C	2,390 mm	21
1964	31.5 °C21 June 1964	21.4 °C5 December 1964	25.6 °C	2,885 mm	41
1963	31.2 °C16 August 1963	21.5 °C22 January 1963	25.7 °C	1,803 mm	37
1962	31.3 °C21 May 1962	22.5 °C7 February 1962	25.7 °C	2,162 mm	46
1961	32.7 °C23 August 1961	22.5 °C27 January 1961	25.9 °C	1,466 mm	74
1960	31.1 °C28 May 1960	21.4 °C19 January 1960	25.6 °C	1,910 mm	23
1959	31.4 °C6 September 1959	21.5 °C19 December 1959	25.8 °C	1,764 mm	43
1958	31.2 °C13 July 1958	20.8 °C30 November 1958	25.9 °C	1,848 mm	47
1957	30.8 °C8 March 1957	20.7 °C8 February 1957	25.5 °C	1,806 mm	13
1956	29.9 °C31 March 1956	20.3 °C21 January 1956	25.1 °C	2,852 mm	0
1955	30.6 °C20 May 1955	21.6 °C17 February 1955	25.3 °C	2,405 mm	9
1954	31.0 °C9 June 1954	21.9 °C27 December 1954	25.3 °C	2,826 mm	4
1953	30.4 °C23 March 1953	22.3 °C3 January 1953	25.4 °C	2,848 mm	5
1952	30.6 °C6 September 1952	22.2 °C19 December 1952	25.7 °C	2,296 mm	10
1951	30.8 °C25 July 1951	21.8 °C5 January 1951	25.7 °C	1,709 mm	13
1950	31.3 °C3 March 1950	22.6 °C12 January 1950	25.5 °C	2,042 mm	14
1949	33.2 °C9 June 1949	21.5 °C14 February 1949	26.4 °C	544 mm	204
1948	30.4 °C23 June 1948	22.0 °C10 February 1948	25.5 °C	1,540 mm	4
1947	30.1 °C30 April 1947	22.2 °C26 December 1947	25.3 °C	2,991 mm	2
1946	31.2 °C26 June 1946	20.0 °C28 January 1946	25.3 °C	2,183 mm	36
1945	29.9 °C21 August 1945	22.0 °C29 December 1945	25.1 °C	2,517 mm	0
1944	31.2 °C20 June 1944	21.2 °C28 January 1944	25.4 °C	1,549 mm	18
1943	31.8 °C17 July 1943	21.6 °C15 February 1943	25.4 °C	1,784 mm	54
1942	30.7 °C3 July 1942	21.4 °C19 February 1942	25.2 °C	2,061 mm	8
1941	30.2 °C31 May 1941	21.7 °C13 March 1941	25.3 °C	2,606 mm	2
1940	31.4 °C6 September 1940	21.1 °C23 January 1940	25.4 °C	1,928 mm	32

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

29.7 °C

+0.9 °C

Hot days (≥ 30 °C)

162 d/yr

+91

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2316 mm

+128 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.1 °C	+0.7 °C	241 mm	+119 mm
Feb	29.7 °C	+0.8 °C	125 mm	+23 mm
Mar	29.8 °C	+0.7 °C	174 mm	+19 mm
Apr	29.7 °C	+0.5 °C	242 mm	+37 mm
May	30.1 °C	+0.8 °C	191 mm	-21 mm
Jun	30.7 °C	+1.1 °C	72 mm	-36 mm
Jul	30.5 °C	+1.1 °C	135 mm	+17 mm
Aug	30.3 °C	+1.0 °C	93 mm	-36 mm
Sep	29.9 °C	+1.2 °C	162 mm	-34 mm
Oct	29.3 °C	+1.3 °C	288 mm	-5 mm
Nov	27.9 °C	+0.1 °C	407 mm	+83 mm
Dec	28.9 °C	+1.0 °C	187 mm	-38 mm

The year's extremes

Hottest day

32.5 °C

4 Jul 2025

Coldest day

23.5 °C

3 Feb 2025

Wettest day

62.2 mm

30 Dec 2025

Windiest day

28.8 km/h

20 Jul 2025

Strongest gust

67.0 km/h

20 Jul 2025

Hottest feels-like

38.8 °C

6 Apr 2025

Coldest feels-like

26.3 °C

1 Sep 2025

Sunniest day

12.2 h

2 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 Banda Aceh?

Banda Aceh has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 2,188 mm of precipitation per year.

What is the hottest day ever recorded in Banda Aceh?

The hottest day measured in Banda Aceh between 1940 and 2025 was 19 July 2024, reaching 34.1 °C.

What is the coldest day in Banda Aceh?

The coldest day measured in Banda Aceh between 1940 and 2025 was 28 January 1946, at 20.0 °C.

Does it snow in Banda Aceh?

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

Has the climate of Banda Aceh warmed?

Yes: Banda Aceh warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Banda Aceh?

The wettest day measured in Banda Aceh between 1940 and 2025 was 28 December 2013, with 246 mm of rain in 24 hours.

What was the windiest day in Banda Aceh?

The windiest day measured in Banda Aceh between 1940 and 2025 was 8 May 2020, with winds reaching 32.4 km/h.

What is the warmest month in Banda Aceh?

The warmest month in Banda Aceh is June (26.8 °C on average); the coldest is November (25.4 °C).

How much does it rain in Banda Aceh?

Banda Aceh receives on average 2,188 mm of precipitation per year, spread over about 242 rainy days.

Is it sunny in Banda Aceh?

Banda Aceh gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Are there tropical nights in Banda Aceh?

Yes: Banda Aceh has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Banda Aceh?

In Banda Aceh, between 1940 and 2025, the highest apparent temperature reached 41.1 °C on 29 April 2024, and the lowest was 21.4 °C on 28 January 1946.

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