Sidareja climate — normals and trends

Q: What is the climate of Sidareja?

Sidareja has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.4 °C and it receives 2,373 mm of precipitation per year.

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

The hottest day measured in Sidareja between 1940 and 2025 was 12 January 2016, reaching 33.2 °C.

Q: What is the coldest day in Sidareja?

The coldest day measured in Sidareja between 1940 and 2025 was 4 August 2003, at 16.8 °C.

Q: Does it snow in Sidareja?

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

Q: Has the climate of Sidareja warmed?

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

Q: What is the wettest day in Sidareja?

The wettest day measured in Sidareja between 1940 and 2025 was 1 December 2023, with 283 mm of rain in 24 hours.

Q: What was the windiest day in Sidareja?

The windiest day measured in Sidareja between 1940 and 2025 was 1 December 2000, with winds reaching 27.4 km/h.

Q: What is the warmest month in Sidareja?

The warmest month in Sidareja is April (26.1 °C on average); the coldest is August (24.2 °C).

Q: How much does it rain in Sidareja?

Sidareja receives on average 2,373 mm of precipitation per year, spread over about 276 rainy days.

Q: Is it sunny in Sidareja?

Sidareja gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Sidareja (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.4 °C and it receives 2,373 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 (26.1 °C on average) and the coldest is August (24.2 °C). Rainfall peaks in January.

Sidareja averages 0 frost days, 57 hot days (≥ 30 °C) and 276 rainy days per year.

Sidareja 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 33.2 °C (on 12 January 2016) and the coldest 16.8 °C (on 4 August 2003).

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

SidarejaCentral Java

coords: -7.48°, 108.79°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthAprilColdest monthAugustWettest monthJanuaryDriest monthAugust

Mean daily temperature

25.4°C

Average daily high

28.6°C

Average daily low

23.0°C

Annual rainfall

2,373mm

Sunshine / day

9.7h

Mean relative humidity

85%

Average peak wind

12.0km/h

Seasonal range

1.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

57 d/yr

Rainy days (≥ 1 mm)

276 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.8 °C

Average feels-like low

27.1 °C

Average peak gust

27.5 km/h

Tropical nights (≥ 20 °C)

357 d/yr

Solar radiation

17.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.71 · 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

33.2 °C

12 January 2016

Coldest day

16.8 °C

4 August 2003

Wettest day

283 mm

1 December 2023

Windiest day

27.4 km/h

1 December 2000

Strongest gust

54.7 km/h

28 February 1961

Hottest feels-like

42.1 °C

5 May 1958

Coldest feels-like

17.7 °C

27 August 1963

Sunniest day

12.4 h

30 November 2013

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.8 °C9 February 2025	19.7 °C21 July 2025	26.4 °C	3,480 mm	123
2024	33.1 °C20 December 2024	19.0 °C13 August 2024	26.5 °C	2,654 mm	170
2023	32.4 °C30 March 2023	18.9 °C3 September 2023	25.9 °C	1,886 mm	121
2022	32.5 °C4 July 2022	19.1 °C26 July 2022	26.2 °C	3,274 mm	113
2021	32.9 °C4 April 2021	19.7 °C7 July 2021	26.1 °C	2,987 mm	111
2020	32.5 °C6 February 2020	18.6 °C31 July 2020	26.2 °C	3,131 mm	129
2019	33.2 °C6 December 2019	18.4 °C6 August 2019	25.8 °C	1,406 mm	140
2018	32.8 °C22 March 2018	18.5 °C27 July 2018	25.9 °C	1,837 mm	106
2017	32.3 °C5 January 2017	20.0 °C21 September 2017	26.1 °C	2,382 mm	100
2016	33.2 °C12 January 2016	21.5 °C20 August 2016	26.9 °C	3,167 mm	214
2015	32.2 °C16 February 2015	18.8 °C3 July 2015	25.9 °C	2,023 mm	121
2014	32.2 °C1 May 2014	19.0 °C5 September 2014	25.9 °C	2,420 mm	108
2013	32.0 °C28 February 2013	19.2 °C13 August 2013	26.2 °C	2,664 mm	107
2012	32.6 °C5 March 2012	18.2 °C2 September 2012	25.6 °C	2,228 mm	68
2011	32.3 °C18 February 2011	18.4 °C7 August 2011	25.6 °C	2,232 mm	66
2010	32.7 °C25 March 2010	22.3 °C22 June 2010	26.6 °C	3,760 mm	136
2009	31.6 °C19 March 2009	19.7 °C1 August 2009	25.8 °C	1,982 mm	79
2008	32.3 °C24 April 2008	18.0 °C24 July 2008	25.5 °C	2,155 mm	49
2007	32.4 °C10 March 2007	18.0 °C10 September 2007	25.6 °C	2,075 mm	63
2006	33.1 °C28 November 2006	17.7 °C4 September 2006	25.4 °C	1,724 mm	96
2005	31.7 °C27 April 2005	18.8 °C7 August 2005	25.8 °C	2,121 mm	72
2004	32.6 °C21 March 2004	18.9 °C29 June 2004	25.6 °C	2,147 mm	60
2003	32.0 °C16 January 2003	16.8 °C4 August 2003	25.5 °C	2,259 mm	77
2002	32.0 °C20 December 2002	18.6 °C9 September 2002	25.5 °C	1,899 mm	62
2001	31.2 °C27 January 2001	18.5 °C6 July 2001	25.5 °C	2,437 mm	27
2000	31.9 °C15 February 2000	18.9 °C30 June 2000	25.5 °C	2,374 mm	50
1999	32.1 °C25 January 1999	16.9 °C4 September 1999	25.5 °C	2,382 mm	39
1998	32.8 °C19 January 1998	21.1 °C1 September 1998	26.7 °C	3,507 mm	171
1997	32.1 °C30 March 1997	17.8 °C9 October 1997	25.3 °C	1,427 mm	99
1996	32.6 °C22 September 1996	20.7 °C20 July 1996	25.9 °C	2,347 mm	63
1995	31.9 °C23 February 1995	19.0 °C30 July 1995	25.9 °C	2,964 mm	90
1994	32.4 °C21 November 1994	18.1 °C31 August 1994	25.3 °C	2,059 mm	57
1993	31.9 °C14 March 1993	19.9 °C11 July 1993	25.8 °C	2,417 mm	69
1992	32.2 °C26 January 1992	19.4 °C9 August 1992	25.3 °C	3,655 mm	57
1991	32.1 °C3 February 1991	18.5 °C29 August 1991	25.2 °C	2,479 mm	32
1990	32.1 °C1 December 1990	18.6 °C29 July 1990	25.5 °C	2,299 mm	61
1989	31.9 °C2 April 1989	19.4 °C12 September 1989	25.4 °C	2,443 mm	36
1988	31.8 °C18 March 1988	18.7 °C13 July 1988	25.5 °C	2,734 mm	58
1987	31.9 °C18 April 1987	18.7 °C14 August 1987	25.4 °C	2,441 mm	66
1986	32.1 °C19 December 1986	18.6 °C18 August 1986	25.2 °C	3,330 mm	32
1985	31.6 °C11 March 1985	19.7 °C29 July 1985	25.4 °C	2,127 mm	43
1984	31.5 °C31 March 1984	19.1 °C28 June 1984	25.3 °C	2,922 mm	41
1983	32.8 °C25 April 1983	19.3 °C29 July 1983	25.6 °C	2,790 mm	93
1982	33.0 °C10 December 1982	18.5 °C26 August 1982	25.5 °C	1,567 mm	92
1981	31.5 °C28 December 1981	20.0 °C3 June 1981	25.5 °C	2,524 mm	35
1980	32.3 °C19 April 1980	19.6 °C9 June 1980	25.6 °C	2,323 mm	59
1979	31.7 °C28 March 1979	19.1 °C22 July 1979	25.6 °C	2,649 mm	98
1978	32.3 °C29 January 1978	20.1 °C19 July 1978	25.7 °C	3,758 mm	66
1977	31.3 °C24 March 1977	18.2 °C5 September 1977	25.3 °C	2,278 mm	55
1976	31.3 °C3 January 1976	17.9 °C9 August 1976	25.0 °C	1,629 mm	17
1975	31.6 °C3 February 1975	18.6 °C23 August 1975	25.2 °C	3,150 mm	15
1974	31.2 °C10 November 1974	19.2 °C27 May 1974	25.1 °C	2,822 mm	9
1973	31.7 °C13 April 1973	19.9 °C23 August 1973	25.7 °C	3,913 mm	56
1972	31.8 °C24 October 1972	18.7 °C23 July 1972	24.8 °C	1,514 mm	18
1971	31.1 °C22 April 1971	17.6 °C3 August 1971	24.8 °C	2,186 mm	3
1970	31.4 °C21 February 1970	18.8 °C1 July 1970	25.3 °C	2,536 mm	32
1969	31.2 °C22 March 1969	18.8 °C25 June 1969	25.2 °C	1,748 mm	34
1968	30.7 °C19 May 1968	18.8 °C11 August 1968	25.1 °C	3,155 mm	14
1967	31.0 °C11 April 1967	18.9 °C24 June 1967	24.8 °C	1,938 mm	25
1966	31.2 °C16 April 1966	18.1 °C28 June 1966	24.8 °C	2,371 mm	8
1965	31.4 °C7 May 1965	18.0 °C14 August 1965	25.0 °C	1,948 mm	28
1964	32.2 °C24 February 1964	17.5 °C3 August 1964	25.3 °C	2,367 mm	44
1963	32.6 °C18 November 1963	17.5 °C10 September 1963	25.4 °C	1,877 mm	85
1962	31.8 °C26 November 1962	18.8 °C1 August 1962	25.4 °C	2,666 mm	46
1961	33.1 °C24 October 1961	17.6 °C2 September 1961	25.2 °C	1,943 mm	89
1960	32.1 °C3 April 1960	18.3 °C1 October 1960	25.2 °C	2,301 mm	28
1959	30.9 °C20 November 1959	18.5 °C2 August 1959	25.4 °C	2,382 mm	52
1958	33.0 °C5 May 1958	19.5 °C3 September 1958	25.8 °C	2,903 mm	87
1957	31.9 °C21 November 1957	17.5 °C14 August 1957	25.1 °C	2,280 mm	27
1956	31.5 °C13 June 1956	18.0 °C14 September 1956	25.0 °C	2,401 mm	27
1955	31.3 °C18 May 1955	18.5 °C23 August 1955	24.9 °C	3,355 mm	11
1954	31.9 °C13 May 1954	18.7 °C2 August 1954	24.8 °C	2,713 mm	12
1953	30.6 °C10 October 1953	18.1 °C9 August 1953	24.8 °C	1,860 mm	4
1952	31.6 °C1 March 1952	18.2 °C18 June 1952	24.9 °C	2,174 mm	9
1951	30.7 °C21 November 1951	18.2 °C1 July 1951	24.7 °C	2,270 mm	10
1950	31.3 °C13 January 1950	18.2 °C18 July 1950	24.7 °C	2,577 mm	14
1949	31.0 °C6 December 1949	17.3 °C26 July 1949	24.4 °C	1,343 mm	7
1948	31.6 °C21 March 1948	18.8 °C21 August 1948	25.0 °C	902 mm	17
1947	29.9 °C25 November 1947	18.0 °C19 June 1947	24.6 °C	1,661 mm	0
1946	30.9 °C25 October 1946	17.4 °C27 May 1946	24.5 °C	1,988 mm	6
1945	30.2 °C21 November 1945	17.6 °C19 August 1945	24.4 °C	1,871 mm	2
1944	30.4 °C17 June 1944	17.0 °C3 August 1944	24.5 °C	1,658 mm	1
1943	30.3 °C3 February 1943	17.4 °C31 March 1943	24.3 °C	1,730 mm	4
1942	30.1 °C16 June 1942	18.3 °C8 July 1942	24.4 °C	2,194 mm	1
1941	29.9 °C28 April 1941	17.2 °C19 June 1941	24.5 °C	1,914 mm	0
1940	30.7 °C13 November 1940	18.7 °C7 September 1940	24.4 °C	1,671 mm	3

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

29.3 °C

+0.7 °C

Hot days (≥ 30 °C)

123 d/yr

+66

Frost days (< 0 °C)

0 d/yr

Annual rainfall

3480 mm

+1107 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.0 °C	+1.0 °C	401 mm	+92 mm
Feb	30.9 °C	+1.7 °C	356 mm	+65 mm
Mar	30.4 °C	+1.1 °C	221 mm	-44 mm
Apr	29.5 °C	+0.1 °C	300 mm	+101 mm
May	29.8 °C	+0.7 °C	362 mm	+200 mm
Jun	28.9 °C	+0.6 °C	133 mm	+11 mm
Jul	27.6 °C	+0.1 °C	78 mm	-19 mm
Aug	28.0 °C	+0.7 °C	177 mm	+101 mm
Sep	28.1 °C	+0.4 °C	209 mm	+109 mm
Oct	29.1 °C	+0.7 °C	498 mm	+313 mm
Nov	29.4 °C	+0.7 °C	537 mm	+257 mm
Dec	29.9 °C	+1.1 °C	207 mm	-78 mm

The year's extremes

Hottest day

32.8 °C

9 Feb 2025

Coldest day

19.7 °C

21 Jul 2025

Wettest day

107.2 mm

21 Oct 2025

Windiest day

22.9 km/h

29 Jul 2025

Strongest gust

44.3 km/h

29 Jul 2025

Hottest feels-like

41.1 °C

24 Dec 2025

Coldest feels-like

21.2 °C

21 Jul 2025

Sunniest day

12.0 h

11 Dec 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 Sidareja?

Sidareja has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.4 °C and it receives 2,373 mm of precipitation per year.

What is the hottest day ever recorded in Sidareja?

The hottest day measured in Sidareja between 1940 and 2025 was 12 January 2016, reaching 33.2 °C.

What is the coldest day in Sidareja?

The coldest day measured in Sidareja between 1940 and 2025 was 4 August 2003, at 16.8 °C.

Does it snow in Sidareja?

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

Has the climate of Sidareja warmed?

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

What is the wettest day in Sidareja?

The wettest day measured in Sidareja between 1940 and 2025 was 1 December 2023, with 283 mm of rain in 24 hours.

What was the windiest day in Sidareja?

The windiest day measured in Sidareja between 1940 and 2025 was 1 December 2000, with winds reaching 27.4 km/h.

What is the warmest month in Sidareja?

The warmest month in Sidareja is April (26.1 °C on average); the coldest is August (24.2 °C).

How much does it rain in Sidareja?

Sidareja receives on average 2,373 mm of precipitation per year, spread over about 276 rainy days.

Is it sunny in Sidareja?

Sidareja gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Are there tropical nights in Sidareja?

Yes: Sidareja has on average 357 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Sidareja?

In Sidareja, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 5 May 1958, and the lowest was 17.7 °C on 27 August 1963.

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