Sepatan climate — normals and trends

Q: What is the climate of Sepatan?

Sepatan has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.4 °C and it receives 1,787 mm of precipitation per year.

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

The hottest day measured in Sepatan between 1940 and 2025 was 17 October 2023, reaching 35.5 °C.

Q: What is the coldest day in Sepatan?

The coldest day measured in Sepatan between 1940 and 2025 was 1 April 1943, at 21.4 °C.

Q: Does it snow in Sepatan?

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

Q: Has the climate of Sepatan warmed?

Yes: Sepatan warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Sepatan?

The wettest day measured in Sepatan between 1940 and 2025 was 26 June 1998, with 132 mm of rain in 24 hours.

Q: What was the windiest day in Sepatan?

The windiest day measured in Sepatan between 1940 and 2025 was 30 November 2017, with winds reaching 33.9 km/h.

Q: What is the warmest month in Sepatan?

The warmest month in Sepatan is October (28.0 °C on average); the coldest is January (26.8 °C).

Q: How much does it rain in Sepatan?

Sepatan receives on average 1,787 mm of precipitation per year, spread over about 260 rainy days.

Q: Is it sunny in Sepatan?

Sepatan gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Sepatan (Indonesia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 27.4 °C and it receives 1,787 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 October (28.0 °C on average) and the coldest is January (26.8 °C). Rainfall peaks in January.

Sepatan averages 0 frost days, 246 hot days (≥ 30 °C) and 260 rainy days per year.

Sepatan has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.

The hottest day of the period reached 35.5 °C (on 17 October 2023) and the coldest 21.4 °C (on 1 April 1943).

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

SepatanWest Java

coords: -6.12°, 106.58°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthOctoberColdest monthJanuaryWettest monthJanuaryDriest monthAugust

Mean daily temperature

27.4°C

Average daily high

30.5°C

Average daily low

25.0°C

Annual rainfall

1,787mm

Sunshine / day

10.6h

Mean relative humidity

81%

Average peak wind

13.1km/h

Seasonal range

1.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

246 d/yr

Rainy days (≥ 1 mm)

260 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.1 °C

Average feels-like low

29.7 °C

Average peak gust

27.1 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

19.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.63 · 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

35.5 °C

17 October 2023

Coldest day

21.4 °C

1 April 1943

Wettest day

132 mm

26 June 1998

Windiest day

33.9 km/h

30 November 2017

Strongest gust

65.2 km/h

9 February 2001

Hottest feels-like

42.2 °C

28 February 2010

Coldest feels-like

23.5 °C

15 August 2002

Sunniest day

12.2 h

18 November 1951

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.5 °C9 May 2025	24.1 °C29 June 2025	28.1 °C	2,322 mm	305
2024	34.8 °C20 October 2024	24.2 °C14 July 2024	28.6 °C	1,971 mm	336
2023	35.5 °C17 October 2023	24.3 °C2 March 2023	28.5 °C	1,372 mm	313
2022	33.9 °C25 April 2022	23.5 °C30 June 2022	27.8 °C	2,024 mm	289
2021	33.2 °C11 May 2021	23.8 °C11 March 2021	27.9 °C	2,084 mm	279
2020	33.4 °C16 October 2020	23.7 °C2 August 2020	28.1 °C	2,180 mm	305
2019	34.9 °C9 November 2019	23.7 °C18 July 2019	28.4 °C	1,408 mm	343
2018	34.5 °C16 November 2018	23.5 °C30 July 2018	28.1 °C	1,487 mm	312
2017	33.8 °C24 October 2017	24.4 °C21 February 2017	28.1 °C	1,736 mm	307
2016	33.1 °C14 April 2016	23.9 °C5 August 2016	28.1 °C	2,748 mm	319
2015	34.0 °C15 November 2015	23.6 °C22 February 2015	28.0 °C	1,580 mm	297
2014	34.6 °C10 October 2014	24.0 °C6 September 2014	27.9 °C	1,848 mm	282
2013	33.8 °C17 October 2013	24.0 °C8 July 2013	27.8 °C	2,282 mm	285
2012	33.7 °C23 October 2012	23.9 °C10 August 2012	28.0 °C	1,625 mm	310
2011	33.1 °C25 September 2011	24.1 °C28 August 2011	27.8 °C	1,337 mm	280
2010	33.2 °C27 April 2010	23.3 °C11 October 2010	27.8 °C	2,581 mm	275
2009	34.4 °C14 September 2009	23.6 °C28 July 2009	27.9 °C	1,652 mm	298
2008	33.5 °C17 September 2008	24.0 °C21 July 2008	27.7 °C	1,723 mm	276
2007	34.6 °C25 November 2007	23.7 °C28 July 2007	27.9 °C	1,592 mm	299
2006	33.9 °C6 November 2006	22.8 °C12 August 2006	27.9 °C	1,590 mm	309
2005	33.8 °C7 October 2005	24.0 °C20 July 2005	27.8 °C	1,576 mm	294
2004	33.6 °C16 November 2004	21.6 °C4 June 2004	27.8 °C	1,571 mm	288
2003	33.2 °C23 October 2003	23.4 °C6 August 2003	27.8 °C	1,706 mm	290
2002	34.4 °C23 October 2002	21.7 °C15 August 2002	27.7 °C	1,560 mm	288
2001	33.6 °C18 September 2001	21.7 °C23 December 2001	27.3 °C	1,888 mm	249
2000	33.3 °C11 September 2000	22.7 °C20 August 2000	27.3 °C	1,884 mm	253
1999	33.0 °C14 September 1999	23.3 °C6 September 1999	27.4 °C	1,738 mm	263
1998	33.9 °C4 January 1998	24.1 °C31 August 1998	27.8 °C	2,812 mm	296
1997	35.1 °C29 October 1997	23.1 °C18 August 1997	27.9 °C	1,153 mm	310
1996	33.1 °C8 April 1996	23.8 °C4 August 1996	27.4 °C	2,214 mm	257
1995	33.3 °C18 September 1995	23.5 °C30 July 1995	27.6 °C	2,349 mm	288
1994	34.2 °C25 October 1994	22.2 °C15 August 1994	27.7 °C	1,578 mm	292
1993	33.7 °C3 November 1993	23.5 °C25 January 1993	27.4 °C	2,028 mm	284
1992	32.8 °C10 June 1992	22.9 °C15 May 1992	26.9 °C	2,491 mm	218
1991	33.6 °C26 October 1991	23.0 °C23 May 1991	27.3 °C	1,797 mm	234
1990	33.9 °C10 November 1990	22.7 °C28 July 1990	27.3 °C	1,922 mm	245
1989	33.2 °C10 October 1989	23.0 °C9 August 1989	27.2 °C	2,042 mm	230
1988	33.3 °C22 September 1988	23.2 °C5 July 1988	27.4 °C	1,829 mm	266
1987	34.4 °C20 September 1987	23.3 °C16 July 1987	27.6 °C	1,780 mm	267
1986	32.3 °C15 November 1986	21.4 °C1 August 1986	27.0 °C	2,139 mm	211
1985	32.5 °C25 March 1985	22.4 °C7 July 1985	27.1 °C	1,814 mm	216
1984	32.7 °C9 October 1984	21.9 °C17 September 1984	26.9 °C	2,470 mm	182
1983	33.2 °C8 October 1983	23.2 °C5 December 1983	27.7 °C	2,276 mm	288
1982	33.9 °C27 October 1982	22.9 °C5 September 1982	27.4 °C	1,640 mm	274
1981	32.8 °C23 October 1981	23.1 °C13 August 1981	27.2 °C	2,307 mm	224
1980	33.8 °C8 October 1980	22.9 °C21 March 1980	27.4 °C	1,910 mm	248
1979	33.1 °C16 October 1979	23.3 °C23 June 1979	27.2 °C	2,254 mm	250
1978	32.6 °C14 March 1978	22.9 °C17 July 1978	27.1 °C	2,443 mm	226
1977	34.5 °C26 October 1977	22.8 °C7 July 1977	27.3 °C	1,763 mm	251
1976	32.8 °C10 September 1976	23.0 °C19 July 1976	27.2 °C	1,495 mm	242
1975	32.1 °C26 September 1975	22.9 °C27 July 1975	26.9 °C	1,954 mm	192
1974	32.9 °C19 October 1974	23.0 °C5 March 1974	26.8 °C	1,906 mm	181
1973	32.5 °C16 October 1973	22.8 °C13 August 1973	27.1 °C	2,680 mm	216
1972	35.2 °C18 October 1972	22.9 °C9 June 1972	27.3 °C	1,306 mm	244
1971	33.7 °C11 May 1971	22.7 °C23 November 1971	27.1 °C	1,575 mm	229
1970	33.2 °C2 October 1970	22.9 °C12 July 1970	27.2 °C	1,892 mm	239
1969	33.8 °C19 November 1969	22.2 °C4 January 1969	27.7 °C	1,235 mm	310
1968	33.0 °C16 October 1968	22.9 °C11 November 1968	26.7 °C	1,935 mm	183
1967	34.7 °C13 October 1967	22.7 °C19 March 1967	27.1 °C	1,668 mm	255
1966	33.2 °C23 October 1966	23.2 °C4 October 1966	27.4 °C	1,603 mm	251
1965	34.0 °C17 November 1965	22.6 °C30 March 1965	27.4 °C	1,560 mm	270
1964	34.3 °C22 September 1964	23.4 °C22 October 1964	27.5 °C	1,724 mm	289
1963	35.2 °C2 October 1963	23.1 °C15 August 1963	27.6 °C	1,379 mm	278
1962	33.7 °C7 October 1962	23.3 °C22 June 1962	27.2 °C	2,154 mm	241
1961	33.6 °C7 October 1961	22.0 °C14 June 1961	27.5 °C	1,558 mm	292
1960	33.7 °C26 October 1960	23.5 °C26 January 1960	27.3 °C	1,876 mm	262
1959	34.5 °C23 October 1959	22.4 °C5 August 1959	27.1 °C	1,934 mm	211
1958	33.4 °C17 June 1958	23.6 °C10 June 1958	27.3 °C	2,243 mm	266
1957	34.3 °C9 November 1957	22.9 °C18 August 1957	27.4 °C	1,613 mm	250
1956	32.6 °C8 May 1956	22.1 °C23 September 1956	26.7 °C	1,630 mm	184
1955	32.5 °C7 October 1955	22.7 °C24 August 1955	26.4 °C	2,109 mm	129
1954	32.3 °C5 March 1954	22.7 °C5 August 1954	26.4 °C	2,047 mm	117
1953	33.9 °C19 October 1953	23.1 °C15 February 1953	27.6 °C	995 mm	276
1952	32.4 °C10 September 1952	23.3 °C18 November 1952	27.0 °C	1,673 mm	195
1951	33.4 °C13 November 1951	23.2 °C4 January 1951	27.2 °C	1,401 mm	224
1950	33.5 °C10 November 1950	22.5 °C22 November 1950	26.9 °C	1,461 mm	178
1949	34.8 °C21 November 1949	22.7 °C25 January 1949	27.6 °C	610 mm	282
1948	33.0 °C19 March 1948	22.2 °C7 January 1948	27.5 °C	755 mm	246
1947	32.5 °C20 May 1947	23.0 °C28 December 1947	27.1 °C	1,225 mm	184
1946	33.1 °C27 October 1946	21.5 °C28 May 1946	26.8 °C	1,195 mm	166
1945	32.8 °C20 October 1945	22.0 °C18 May 1945	26.4 °C	1,525 mm	78
1944	32.7 °C10 October 1944	21.4 °C10 June 1944	26.4 °C	1,602 mm	87
1943	32.2 °C7 September 1943	21.4 °C1 April 1943	26.4 °C	1,267 mm	116
1942	31.7 °C21 November 1942	21.9 °C10 July 1942	26.2 °C	1,946 mm	40
1941	32.3 °C16 September 1941	22.0 °C25 July 1941	26.7 °C	1,564 mm	131
1940	33.3 °C4 November 1940	22.7 °C1 September 1940	26.8 °C	1,266 mm	152

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

+0.5 °C

Hot days (≥ 30 °C)

305 d/yr

+59

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2323 mm

+536 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.4 °C	+1.0 °C	378 mm	+123 mm
Feb	30.5 °C	+1.0 °C	211 mm	-28 mm
Mar	31.0 °C	+0.9 °C	191 mm	-15 mm
Apr	30.8 °C	+0.2 °C	257 mm	+78 mm
May	31.7 °C	+0.9 °C	158 mm	+29 mm
Jun	30.8 °C	+0.1 °C	182 mm	+88 mm
Jul	31.1 °C	+0.5 °C	50 mm	-21 mm
Aug	30.8 °C	0.0 °C	155 mm	+100 mm
Sep	31.3 °C	+0.1 °C	96 mm	+30 mm
Oct	31.8 °C	+0.4 °C	209 mm	+94 mm
Nov	31.1 °C	+0.4 °C	217 mm	+48 mm
Dec	30.6 °C	+0.6 °C	220 mm	+10 mm

The year's extremes

Hottest day

33.5 °C

9 May 2025

Coldest day

24.1 °C

29 Jun 2025

Wettest day

111.1 mm

9 Jan 2025

Windiest day

26.0 km/h

29 Jan 2025

Strongest gust

47.9 km/h

6 Feb 2025

Hottest feels-like

40.9 °C

8 May 2025

Coldest feels-like

28.5 °C

19 Dec 2025

Sunniest day

12.0 h

3 Jan 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 Sepatan?

Sepatan has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.4 °C and it receives 1,787 mm of precipitation per year.

What is the hottest day ever recorded in Sepatan?

The hottest day measured in Sepatan between 1940 and 2025 was 17 October 2023, reaching 35.5 °C.

What is the coldest day in Sepatan?

The coldest day measured in Sepatan between 1940 and 2025 was 1 April 1943, at 21.4 °C.

Does it snow in Sepatan?

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

Has the climate of Sepatan warmed?

Yes: Sepatan warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Sepatan?

The wettest day measured in Sepatan between 1940 and 2025 was 26 June 1998, with 132 mm of rain in 24 hours.

What was the windiest day in Sepatan?

The windiest day measured in Sepatan between 1940 and 2025 was 30 November 2017, with winds reaching 33.9 km/h.

What is the warmest month in Sepatan?

The warmest month in Sepatan is October (28.0 °C on average); the coldest is January (26.8 °C).

How much does it rain in Sepatan?

Sepatan receives on average 1,787 mm of precipitation per year, spread over about 260 rainy days.

Is it sunny in Sepatan?

Sepatan gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Are there tropical nights in Sepatan?

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

What was the most extreme apparent temperature in Sepatan?

In Sepatan, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 28 February 2010, and the lowest was 23.5 °C on 15 August 2002.

Compare Sepatan with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Sepatan

Other cities — Indonesia

All cities in Indonesia →