Gresik climate — normals and trends

Q: What is the climate of Gresik?

Gresik has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.8 °C and it receives 1,627 mm of precipitation per year.

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

The hottest day measured in Gresik between 1940 and 2025 was 28 October 1972, reaching 36.4 °C.

Q: What is the coldest day in Gresik?

The coldest day measured in Gresik between 1940 and 2025 was 12 August 1953, at 19.7 °C.

Q: Does it snow in Gresik?

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

Q: Has the climate of Gresik warmed?

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

Q: What is the wettest day in Gresik?

The wettest day measured in Gresik between 1940 and 2025 was 12 May 2025, with 129 mm of rain in 24 hours.

Q: What was the windiest day in Gresik?

The windiest day measured in Gresik between 1940 and 2025 was 12 February 2001, with winds reaching 36.3 km/h.

Q: What is the warmest month in Gresik?

The warmest month in Gresik is October (29.0 °C on average); the coldest is January (27.0 °C).

Q: How much does it rain in Gresik?

Gresik receives on average 1,627 mm of precipitation per year, spread over about 213 rainy days.

Q: Is it sunny in Gresik?

Gresik gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.

Gresik (Indonesia) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.8 °C and it receives 1,627 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 (29.0 °C on average) and the coldest is January (27.0 °C). Rainfall peaks in January.

Gresik averages 0 frost days, 302 hot days (≥ 30 °C) and 213 rainy days per year.

Gresik has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.4 °C (on 28 October 1972) and the coldest 19.7 °C (on 12 August 1953).

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

GresikEast Java

coords: -7.15°, 112.66°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthOctoberColdest monthJanuaryWettest monthJanuaryDriest monthAugust

Mean daily temperature

27.8°C

Average daily high

31.2°C

Average daily low

25.1°C

Annual rainfall

1,627mm

Sunshine / day

10.5h

Mean relative humidity

76%

Average peak wind

12.0km/h

Seasonal range

2.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

302 d/yr

Rainy days (≥ 1 mm)

213 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.6 °C

Average feels-like low

29.5 °C

Average peak gust

25.6 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

20.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.74 · 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

36.4 °C

28 October 1972

Coldest day

19.7 °C

12 August 1953

Wettest day

129 mm

12 May 2025

Windiest day

36.3 km/h

12 February 2001

Strongest gust

71.6 km/h

24 January 2012

Hottest feels-like

43.1 °C

3 December 2019

Coldest feels-like

21.1 °C

12 August 1953

Sunniest day

12.4 h

31 December 2023

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.7 °C18 October 2025	22.9 °C10 July 2025	28.4 °C	2,250 mm	342
2024	35.3 °C30 October 2024	22.5 °C14 July 2024	29.1 °C	1,853 mm	355
2023	35.7 °C27 October 2023	22.8 °C20 July 2023	28.7 °C	1,448 mm	349
2022	34.2 °C26 September 2022	23.0 °C26 July 2022	28.2 °C	2,279 mm	341
2021	34.5 °C23 October 2021	22.7 °C27 July 2021	28.4 °C	2,002 mm	340
2020	35.6 °C25 September 2020	22.9 °C30 July 2020	28.9 °C	1,861 mm	355
2019	36.2 °C1 December 2019	22.5 °C14 July 2019	28.6 °C	1,512 mm	355
2018	35.1 °C3 November 2018	22.4 °C4 August 2018	28.5 °C	1,452 mm	347
2017	34.5 °C12 October 2017	23.4 °C25 July 2017	28.4 °C	1,903 mm	341
2016	34.0 °C15 January 2016	24.6 °C20 June 2016	28.8 °C	2,343 mm	345
2015	35.1 °C23 November 2015	22.9 °C3 August 2015	28.4 °C	1,449 mm	346
2014	34.9 °C21 November 2014	23.5 °C14 September 2014	28.5 °C	1,540 mm	337
2013	34.4 °C9 November 2013	22.6 °C13 August 2013	28.2 °C	2,239 mm	320
2012	34.7 °C30 October 2012	23.0 °C5 July 2012	28.2 °C	1,566 mm	336
2011	34.0 °C17 October 2011	22.8 °C26 August 2011	28.1 °C	1,569 mm	333
2010	34.3 °C5 October 2010	24.3 °C24 December 2010	28.4 °C	2,863 mm	337
2009	34.9 °C29 October 2009	23.2 °C12 July 2009	28.7 °C	1,331 mm	341
2008	35.1 °C23 October 2008	22.7 °C17 July 2008	28.1 °C	1,692 mm	334
2007	35.0 °C20 October 2007	23.0 °C2 August 2007	28.4 °C	1,528 mm	354
2006	35.1 °C4 November 2006	22.5 °C7 August 2006	28.2 °C	1,475 mm	339
2005	35.2 °C13 October 2005	22.8 °C6 August 2005	28.4 °C	1,411 mm	343
2004	35.2 °C3 November 2004	22.6 °C18 August 2004	28.3 °C	1,363 mm	349
2003	34.8 °C21 October 2003	22.4 °C9 September 2003	28.2 °C	1,397 mm	349
2002	35.2 °C29 October 2002	22.5 °C14 August 2002	28.1 °C	1,314 mm	334
2001	33.6 °C17 October 2001	22.1 °C4 July 2001	27.8 °C	1,582 mm	314
2000	33.6 °C9 September 2000	23.2 °C24 July 2000	27.7 °C	1,904 mm	301
1999	35.0 °C4 October 1999	22.2 °C18 August 1999	27.8 °C	1,866 mm	327
1998	34.6 °C12 September 1998	24.2 °C10 August 1998	28.3 °C	2,465 mm	344
1997	35.8 °C29 October 1997	21.9 °C19 August 1997	27.9 °C	1,192 mm	327
1996	34.5 °C18 September 1996	23.2 °C4 August 1996	28.1 °C	1,647 mm	330
1995	34.7 °C29 September 1995	23.4 °C29 July 1995	27.9 °C	1,950 mm	320
1994	36.1 °C22 October 1994	21.3 °C14 August 1994	27.7 °C	1,645 mm	321
1993	34.7 °C22 October 1993	22.5 °C18 July 1993	27.9 °C	1,447 mm	329
1992	34.7 °C27 September 1992	22.8 °C17 July 1992	27.6 °C	1,782 mm	309
1991	35.0 °C30 October 1991	22.2 °C16 August 1991	27.5 °C	1,546 mm	310
1990	35.5 °C21 October 1990	23.4 °C9 August 1990	28.0 °C	1,492 mm	307
1989	34.7 °C4 October 1989	23.1 °C14 June 1989	27.6 °C	1,797 mm	282
1988	34.5 °C6 November 1988	22.7 °C12 July 1988	28.0 °C	1,860 mm	325
1987	36.4 °C1 November 1987	22.0 °C16 August 1987	28.1 °C	1,388 mm	330
1986	34.3 °C13 October 1986	21.0 °C2 July 1986	27.7 °C	1,868 mm	295
1985	34.5 °C16 October 1985	22.5 °C11 August 1985	27.7 °C	1,661 mm	314
1984	34.3 °C28 October 1984	22.1 °C28 June 1984	27.4 °C	2,212 mm	279
1983	34.8 °C14 October 1983	22.7 °C8 August 1983	27.8 °C	2,403 mm	325
1982	34.9 °C21 November 1982	21.4 °C10 July 1982	27.7 °C	1,327 mm	300
1981	34.3 °C14 September 1981	23.1 °C12 August 1981	27.8 °C	1,914 mm	305
1980	35.7 °C17 October 1980	23.2 °C19 March 1980	28.0 °C	1,618 mm	320
1979	36.0 °C23 October 1979	22.5 °C15 June 1979	27.9 °C	1,464 mm	331
1978	34.0 °C1 October 1978	22.8 °C20 July 1978	27.6 °C	2,101 mm	295
1977	35.3 °C6 November 1977	21.7 °C6 July 1977	27.6 °C	1,462 mm	302
1976	34.2 °C19 October 1976	21.7 °C17 July 1976	27.5 °C	1,172 mm	317
1975	33.3 °C6 September 1975	21.6 °C31 May 1975	27.2 °C	2,118 mm	269
1974	34.1 °C21 September 1974	23.0 °C17 August 1974	27.3 °C	1,621 mm	272
1973	34.0 °C21 November 1973	22.5 °C31 July 1973	27.5 °C	2,237 mm	283
1972	36.4 °C28 October 1972	21.6 °C4 September 1972	27.3 °C	1,180 mm	288
1971	34.7 °C8 October 1971	21.8 °C5 July 1971	27.0 °C	1,822 mm	220
1970	34.9 °C13 October 1970	22.6 °C1 July 1970	27.5 °C	1,730 mm	295
1969	34.7 °C10 November 1969	21.8 °C3 August 1969	27.8 °C	1,238 mm	325
1968	35.0 °C21 October 1968	22.8 °C10 August 1968	27.1 °C	2,045 mm	218
1967	35.4 °C12 October 1967	21.4 °C24 June 1967	27.3 °C	1,497 mm	268
1966	34.2 °C27 September 1966	21.2 °C27 June 1966	27.2 °C	1,898 mm	230
1965	36.0 °C27 October 1965	22.3 °C15 August 1965	27.6 °C	1,193 mm	311
1964	33.6 °C9 September 1964	22.1 °C29 June 1964	27.7 °C	1,557 mm	327
1963	35.3 °C24 November 1963	21.5 °C6 July 1963	27.5 °C	1,235 mm	284
1962	34.8 °C11 October 1962	21.7 °C5 September 1962	27.5 °C	1,632 mm	285
1961	35.8 °C8 October 1961	21.0 °C18 July 1961	27.8 °C	1,125 mm	333
1960	35.3 °C15 October 1960	22.4 °C22 June 1960	27.7 °C	1,548 mm	302
1959	35.0 °C2 October 1959	21.8 °C13 July 1959	27.6 °C	1,607 mm	290
1958	34.5 °C25 October 1958	23.2 °C22 September 1958	27.8 °C	1,803 mm	328
1957	34.6 °C2 November 1957	21.4 °C14 August 1957	27.4 °C	1,404 mm	276
1956	33.8 °C20 October 1956	21.9 °C11 August 1956	27.0 °C	1,665 mm	261
1955	34.9 °C8 October 1955	22.0 °C5 August 1955	26.9 °C	2,223 mm	181
1954	33.5 °C15 October 1954	22.3 °C18 July 1954	27.2 °C	1,768 mm	229
1953	35.1 °C19 October 1953	19.7 °C12 August 1953	27.7 °C	1,145 mm	295
1952	35.1 °C9 September 1952	21.9 °C20 June 1952	27.5 °C	1,468 mm	279
1951	35.1 °C19 November 1951	22.0 °C20 July 1951	27.4 °C	1,397 mm	262
1950	34.2 °C6 October 1950	22.3 °C26 July 1950	27.2 °C	1,405 mm	251
1949	34.3 °C3 December 1949	21.4 °C27 July 1949	27.1 °C	1,428 mm	246
1948	34.8 °C21 October 1948	22.3 °C20 August 1948	27.7 °C	774 mm	326
1947	34.2 °C6 October 1947	22.6 °C27 December 1947	27.6 °C	1,109 mm	280
1946	34.6 °C28 October 1946	21.3 °C16 August 1946	27.4 °C	1,091 mm	270
1945	34.2 °C15 October 1945	21.9 °C16 September 1945	27.0 °C	1,351 mm	197
1944	34.6 °C16 October 1944	21.9 °C8 June 1944	27.0 °C	1,422 mm	199
1943	34.1 °C26 November 1943	21.6 °C28 July 1943	27.0 °C	1,037 mm	228
1942	33.8 °C27 August 1942	22.0 °C8 July 1942	27.0 °C	1,410 mm	207
1941	34.5 °C17 October 1941	20.9 °C11 August 1941	27.2 °C	1,336 mm	244
1940	35.7 °C8 November 1940	21.3 °C12 July 1940	27.2 °C	1,020 mm	252

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

31.6 °C

+0.4 °C

Hot days (≥ 30 °C)

342 d/yr

+40

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2250 mm

+623 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.0 °C	+0.8 °C	333 mm	+76 mm
Feb	31.3 °C	+1.1 °C	192 mm	-52 mm
Mar	31.4 °C	+0.8 °C	302 mm	+55 mm
Apr	31.5 °C	+0.4 °C	177 mm	+16 mm
May	31.2 °C	-0.1 °C	444 mm	+339 mm
Jun	31.3 °C	+0.3 °C	43 mm	-12 mm
Jul	31.2 °C	+0.3 °C	16 mm	-10 mm
Aug	31.6 °C	+0.2 °C	58 mm	+46 mm
Sep	32.5 °C	+0.1 °C	59 mm	+34 mm
Oct	32.7 °C	-0.2 °C	146 mm	+73 mm
Nov	31.3 °C	-0.7 °C	282 mm	+110 mm
Dec	31.7 °C	+0.8 °C	200 mm	-52 mm

The year's extremes

Hottest day

34.7 °C

18 Oct 2025

Coldest day

22.9 °C

10 Jul 2025

Wettest day

129.3 mm

12 May 2025

Windiest day

26.5 km/h

6 Feb 2025

Strongest gust

54.0 km/h

24 Mar 2025

Hottest feels-like

41.5 °C

24 Oct 2025

Coldest feels-like

26.0 °C

10 Jul 2025

Sunniest day

12.3 h

25 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 Gresik?

Gresik has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.8 °C and it receives 1,627 mm of precipitation per year.

What is the hottest day ever recorded in Gresik?

The hottest day measured in Gresik between 1940 and 2025 was 28 October 1972, reaching 36.4 °C.

What is the coldest day in Gresik?

The coldest day measured in Gresik between 1940 and 2025 was 12 August 1953, at 19.7 °C.

Does it snow in Gresik?

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

Has the climate of Gresik warmed?

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

What is the wettest day in Gresik?

The wettest day measured in Gresik between 1940 and 2025 was 12 May 2025, with 129 mm of rain in 24 hours.

What was the windiest day in Gresik?

The windiest day measured in Gresik between 1940 and 2025 was 12 February 2001, with winds reaching 36.3 km/h.

What is the warmest month in Gresik?

The warmest month in Gresik is October (29.0 °C on average); the coldest is January (27.0 °C).

How much does it rain in Gresik?

Gresik receives on average 1,627 mm of precipitation per year, spread over about 213 rainy days.

Is it sunny in Gresik?

Gresik gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.

Are there tropical nights in Gresik?

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

What was the most extreme apparent temperature in Gresik?

In Gresik, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 3 December 2019, and the lowest was 21.1 °C on 12 August 1953.

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