Langsa climate — normals and trends

Q: What is the climate of Langsa?

Langsa has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 1,824 mm of precipitation per year.

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

The hottest day measured in Langsa between 1940 and 2025 was 29 July 2023, reaching 37.5 °C.

Q: What is the coldest day in Langsa?

The coldest day measured in Langsa between 1940 and 2025 was 19 February 1977, at 18.4 °C.

Q: Does it snow in Langsa?

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

Q: Has the climate of Langsa warmed?

Yes: Langsa warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Langsa?

The wettest day measured in Langsa between 1940 and 2025 was 2 December 1981, with 287 mm of rain in 24 hours.

Q: What was the windiest day in Langsa?

The windiest day measured in Langsa between 1940 and 2025 was 26 November 2025, with winds reaching 23.5 km/h.

Q: What is the warmest month in Langsa?

The warmest month in Langsa is June (28.0 °C on average); the coldest is December (26.1 °C).

Q: How much does it rain in Langsa?

Langsa receives on average 1,824 mm of precipitation per year, spread over about 275 rainy days.

Q: Is it sunny in Langsa?

Langsa gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Langsa (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 1,824 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 (28.0 °C on average) and the coldest is December (26.1 °C). Rainfall peaks in November.

Langsa averages 0 frost days, 264 hot days (≥ 30 °C) and 275 rainy days per year.

Langsa has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.5 °C (on 29 July 2023) and the coldest 18.4 °C (on 19 February 1977).

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

LangsaSpecial Region of Aceh

coords: 4.47°, 97.97°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthJuneColdest monthDecemberWettest monthNovemberDriest monthFebruary

Mean daily temperature

27.1°C

Average daily high

31.1°C

Average daily low

24.2°C

Annual rainfall

1,824mm

Sunshine / day

10.0h

Mean relative humidity

84%

Average peak wind

9.4km/h

Seasonal range

1.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

264 d/yr

Rainy days (≥ 1 mm)

275 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.5 °C

Average feels-like low

29.1 °C

Average peak gust

24.8 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

19.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.4 °C

since 1940

+0.3 °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

37.5 °C

29 July 2023

Coldest day

18.4 °C

19 February 1977

Wettest day

287 mm

2 December 1981

Windiest day

23.5 km/h

26 November 2025

Strongest gust

50.0 km/h

16 February 1953

Hottest feels-like

43.7 °C

21 May 2010

Coldest feels-like

20.7 °C

9 January 1965

Sunniest day

12.3 h

21 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.5 °C5 August 2025	22.3 °C28 November 2025	27.9 °C	2,463 mm	320
2024	36.4 °C23 July 2024	22.8 °C12 March 2024	28.5 °C	2,310 mm	337
2023	37.5 °C29 July 2023	21.3 °C18 January 2023	28.3 °C	1,854 mm	322
2022	34.0 °C24 May 2022	23.0 °C14 January 2022	27.6 °C	2,533 mm	308
2021	36.6 °C6 August 2021	22.6 °C18 February 2021	27.9 °C	1,824 mm	308
2020	36.6 °C31 March 2020	22.8 °C5 February 2020	28.1 °C	1,872 mm	332
2019	37.2 °C23 April 2019	20.2 °C12 February 2019	28.5 °C	1,303 mm	342
2018	35.8 °C11 June 2018	21.5 °C12 February 2018	28.0 °C	1,634 mm	327
2017	34.3 °C28 July 2017	23.2 °C29 January 2017	27.7 °C	2,271 mm	309
2016	36.5 °C5 August 2016	23.4 °C2 February 2016	28.6 °C	1,542 mm	347
2015	36.4 °C30 June 2015	20.6 °C11 February 2015	28.2 °C	1,556 mm	340
2014	36.5 °C4 August 2014	20.5 °C26 February 2014	28.0 °C	1,839 mm	303
2013	36.4 °C23 June 2013	22.9 °C3 February 2013	28.0 °C	2,170 mm	312
2012	35.7 °C1 September 2012	23.5 °C2 January 2012	28.0 °C	1,896 mm	330
2011	33.8 °C9 May 2011	22.8 °C5 March 2011	27.7 °C	2,123 mm	308
2010	36.4 °C3 June 2010	23.5 °C13 January 2010	28.4 °C	1,633 mm	330
2009	35.8 °C20 July 2009	22.7 °C11 January 2009	27.9 °C	2,229 mm	317
2008	34.9 °C25 February 2008	21.6 °C23 February 2008	27.5 °C	2,215 mm	302
2007	36.3 °C14 July 2007	21.6 °C30 January 2007	27.8 °C	1,967 mm	294
2006	35.3 °C26 July 2006	22.0 °C24 January 2006	27.8 °C	2,041 mm	315
2005	37.1 °C5 May 2005	22.6 °C8 February 2005	28.4 °C	1,418 mm	327
2004	37.3 °C18 August 2004	22.5 °C25 January 2004	28.0 °C	1,442 mm	342
2003	35.4 °C21 August 2003	22.3 °C1 March 2003	27.8 °C	1,411 mm	322
2002	36.4 °C25 June 2002	21.9 °C4 January 2002	28.1 °C	1,342 mm	329
2001	36.3 °C6 July 2001	22.9 °C2 March 2001	27.7 °C	1,983 mm	320
2000	35.6 °C27 August 2000	21.2 °C28 January 2000	27.4 °C	1,930 mm	304
1999	33.5 °C27 July 1999	22.1 °C20 February 1999	27.1 °C	2,429 mm	275
1998	36.9 °C20 May 1998	22.6 °C22 January 1998	27.9 °C	2,015 mm	293
1997	34.7 °C31 May 1997	20.9 °C16 January 1997	27.5 °C	1,760 mm	301
1996	34.0 °C31 July 1996	21.7 °C2 March 1996	26.9 °C	2,282 mm	245
1995	33.8 °C14 May 1995	21.6 °C15 March 1995	27.1 °C	2,505 mm	262
1994	33.6 °C2 August 1994	21.7 °C17 January 1994	27.0 °C	1,963 mm	247
1993	33.3 °C12 May 1993	21.8 °C3 January 1993	27.0 °C	2,404 mm	236
1992	35.0 °C5 July 1992	21.4 °C13 January 1992	27.2 °C	1,698 mm	264
1991	34.5 °C17 March 1991	21.8 °C7 March 1991	27.0 °C	2,022 mm	251
1990	35.9 °C28 August 1990	21.3 °C7 January 1990	27.4 °C	1,428 mm	286
1989	33.8 °C20 April 1989	20.9 °C7 February 1989	27.0 °C	1,887 mm	269
1988	33.9 °C7 May 1988	21.9 °C18 December 1988	27.2 °C	2,122 mm	287
1987	36.4 °C13 July 1987	21.3 °C23 February 1987	27.6 °C	1,931 mm	286
1986	36.4 °C11 August 1986	20.3 °C11 February 1986	27.2 °C	1,943 mm	280
1985	34.3 °C25 June 1985	20.1 °C16 January 1985	27.1 °C	1,792 mm	297
1984	33.8 °C1 September 1984	21.4 °C8 March 1984	26.9 °C	1,951 mm	279
1983	35.7 °C13 April 1983	22.1 °C2 December 1983	27.6 °C	1,596 mm	301
1982	35.4 °C5 August 1982	20.2 °C18 January 1982	27.3 °C	1,554 mm	311
1981	37.4 °C20 June 1981	21.5 °C31 January 1981	27.6 °C	1,777 mm	301
1980	36.3 °C7 July 1980	20.7 °C5 January 1980	27.7 °C	1,466 mm	311
1979	36.4 °C14 August 1979	21.1 °C11 February 1979	27.5 °C	1,651 mm	303
1978	36.4 °C27 May 1978	20.9 °C27 December 1978	27.7 °C	1,428 mm	325
1977	36.0 °C6 April 1977	18.4 °C19 February 1977	27.5 °C	1,378 mm	308
1976	35.6 °C8 August 1976	20.2 °C20 January 1976	27.1 °C	1,522 mm	284
1975	36.4 °C13 March 1975	19.2 °C28 January 1975	27.2 °C	1,514 mm	310
1974	36.2 °C5 July 1974	20.8 °C2 March 1974	27.0 °C	1,314 mm	300
1973	35.6 °C19 June 1973	21.2 °C7 February 1973	27.1 °C	1,728 mm	299
1972	36.1 °C20 March 1972	20.4 °C2 January 1972	26.9 °C	1,613 mm	277
1971	35.0 °C8 July 1971	20.3 °C31 January 1971	26.4 °C	2,033 mm	238
1970	36.1 °C13 June 1970	21.4 °C9 February 1970	27.1 °C	1,580 mm	297
1969	36.5 °C23 April 1969	21.2 °C6 March 1969	27.1 °C	1,759 mm	291
1968	34.1 °C22 August 1968	19.6 °C22 February 1968	26.4 °C	1,432 mm	249
1967	33.1 °C30 May 1967	20.3 °C20 March 1967	26.2 °C	1,619 mm	217
1966	31.7 °C27 July 1966	20.9 °C16 January 1966	26.0 °C	2,099 mm	142
1965	35.1 °C27 July 1965	18.6 °C9 January 1965	26.6 °C	1,705 mm	265
1964	35.0 °C2 June 1964	20.3 °C27 December 1964	26.9 °C	1,797 mm	293
1963	35.2 °C10 July 1963	20.3 °C16 January 1963	26.8 °C	1,324 mm	271
1962	35.4 °C24 May 1962	20.8 °C10 January 1962	26.7 °C	1,713 mm	267
1961	35.7 °C2 July 1961	20.4 °C22 January 1961	26.7 °C	1,442 mm	284
1960	33.9 °C7 June 1960	21.1 °C19 January 1960	26.5 °C	1,730 mm	292
1959	33.1 °C27 May 1959	21.3 °C28 January 1959	26.4 °C	1,779 mm	230
1958	33.9 °C17 July 1958	21.4 °C5 January 1958	26.7 °C	1,850 mm	255
1957	33.4 °C16 July 1957	20.2 °C18 February 1957	26.4 °C	1,815 mm	240
1956	32.5 °C13 March 1956	19.9 °C24 January 1956	25.9 °C	2,503 mm	162
1955	32.7 °C30 June 1955	20.3 °C17 February 1955	26.0 °C	2,285 mm	192
1954	32.8 °C7 June 1954	21.3 °C31 December 1954	26.0 °C	2,441 mm	146
1953	32.6 °C18 August 1953	21.3 °C19 January 1953	26.3 °C	2,015 mm	173
1952	32.4 °C8 June 1952	21.1 °C27 December 1952	26.4 °C	2,071 mm	215
1951	34.5 °C2 August 1951	20.5 °C31 January 1951	26.8 °C	1,209 mm	249
1950	34.1 °C9 March 1950	21.2 °C28 December 1950	26.4 °C	1,700 mm	223
1949	33.9 °C5 August 1949	19.9 °C12 January 1949	26.8 °C	312 mm	311
1948	32.0 °C10 March 1948	19.9 °C18 January 1948	25.9 °C	1,455 mm	107
1947	30.9 °C10 June 1947	21.6 °C22 January 1947	25.7 °C	2,404 mm	40
1946	32.6 °C28 June 1946	20.2 °C29 January 1946	25.8 °C	2,181 mm	108
1945	30.7 °C23 June 1945	20.8 °C16 January 1945	25.6 °C	2,156 mm	48
1944	32.3 °C15 June 1944	19.8 °C8 February 1944	25.9 °C	1,880 mm	142
1943	32.8 °C18 June 1943	20.0 °C15 February 1943	25.7 °C	1,508 mm	136
1942	32.1 °C16 May 1942	19.7 °C18 February 1942	25.7 °C	1,940 mm	96
1941	31.4 °C23 April 1941	21.2 °C30 December 1941	25.8 °C	1,986 mm	67
1940	32.7 °C2 August 1940	20.2 °C23 January 1940	26.0 °C	1,632 mm	156

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

31.8 °C

+0.7 °C

Hot days (≥ 30 °C)

320 d/yr

+56

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2463 mm

+639 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.0 °C	+0.2 °C	370 mm	+238 mm
Feb	30.9 °C	+0.3 °C	87 mm	+4 mm
Mar	31.6 °C	0.0 °C	140 mm	+38 mm
Apr	31.5 °C	-0.4 °C	278 mm	+148 mm
May	32.5 °C	+0.5 °C	198 mm	+53 mm
Jun	32.7 °C	+0.4 °C	98 mm	+2 mm
Jul	33.8 °C	+1.6 °C	63 mm	-42 mm
Aug	33.1 °C	+1.2 °C	98 mm	-38 mm
Sep	33.2 °C	+2.1 °C	137 mm	-43 mm
Oct	31.4 °C	+1.0 °C	123 mm	-102 mm
Nov	30.1 °C	+0.3 °C	709 mm	+459 mm
Dec	30.1 °C	+0.7 °C	161 mm	-78 mm

The year's extremes

Hottest day

35.5 °C

5 Aug 2025

Coldest day

22.3 °C

28 Nov 2025

Wettest day

244.4 mm

26 Nov 2025

Windiest day

23.5 km/h

26 Nov 2025

Strongest gust

46.1 km/h

26 Nov 2025

Hottest feels-like

42.9 °C

1 Jun 2025

Coldest feels-like

25.9 °C

28 Nov 2025

Sunniest day

12.2 h

1 Jul 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 Langsa?

Langsa has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 1,824 mm of precipitation per year.

What is the hottest day ever recorded in Langsa?

The hottest day measured in Langsa between 1940 and 2025 was 29 July 2023, reaching 37.5 °C.

What is the coldest day in Langsa?

The coldest day measured in Langsa between 1940 and 2025 was 19 February 1977, at 18.4 °C.

Does it snow in Langsa?

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

Has the climate of Langsa warmed?

Yes: Langsa warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Langsa?

The wettest day measured in Langsa between 1940 and 2025 was 2 December 1981, with 287 mm of rain in 24 hours.

What was the windiest day in Langsa?

The windiest day measured in Langsa between 1940 and 2025 was 26 November 2025, with winds reaching 23.5 km/h.

What is the warmest month in Langsa?

The warmest month in Langsa is June (28.0 °C on average); the coldest is December (26.1 °C).

How much does it rain in Langsa?

Langsa receives on average 1,824 mm of precipitation per year, spread over about 275 rainy days.

Is it sunny in Langsa?

Langsa gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Are there tropical nights in Langsa?

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

What was the most extreme apparent temperature in Langsa?

In Langsa, between 1940 and 2025, the highest apparent temperature reached 43.7 °C on 21 May 2010, and the lowest was 20.7 °C on 9 January 1965.

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