Merauke climate — normals and trends

Q: What is the climate of Merauke?

Merauke has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 1,810 mm of precipitation per year.

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

The hottest day measured in Merauke between 1940 and 2025 was 17 December 2004, reaching 34.2 °C.

Q: What is the coldest day in Merauke?

The coldest day measured in Merauke between 1940 and 2025 was 9 September 1997, at 19.1 °C.

Q: Does it snow in Merauke?

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

Q: Has the climate of Merauke warmed?

Yes: Merauke warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Merauke?

The wettest day measured in Merauke between 1940 and 2025 was 12 March 2017, with 190 mm of rain in 24 hours.

Q: What was the windiest day in Merauke?

The windiest day measured in Merauke between 1940 and 2025 was 7 March 1977, with winds reaching 51.5 km/h.

Q: What is the warmest month in Merauke?

The warmest month in Merauke is November (27.3 °C on average); the coldest is July (25.2 °C).

Q: How much does it rain in Merauke?

Merauke receives on average 1,810 mm of precipitation per year, spread over about 226 rainy days.

Q: Is it sunny in Merauke?

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

Merauke (Indonesia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.3 °C and it receives 1,810 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 November (27.3 °C on average) and the coldest is July (25.2 °C). Rainfall peaks in March.

Merauke averages 0 frost days, 84 hot days (≥ 30 °C) and 226 rainy days per year.

Merauke has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.2 °C (on 17 December 2004) and the coldest 19.1 °C (on 9 September 1997).

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

MeraukeSouth Papua

coords: -8.50°, 140.41°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthNovemberColdest monthJulyWettest monthMarchDriest monthAugust

Mean daily temperature

26.3°C

Average daily high

29.0°C

Average daily low

24.3°C

Annual rainfall

1,810mm

Sunshine / day

10.0h

Mean relative humidity

81%

Average peak wind

19.6km/h

Seasonal range

2.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

84 d/yr

Rainy days (≥ 1 mm)

226 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.4 °C

Average feels-like low

27.4 °C

Average peak gust

33.6 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

18.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.69 · 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

34.2 °C

17 December 2004

Coldest day

19.1 °C

9 September 1997

Wettest day

190 mm

12 March 2017

Windiest day

51.5 km/h

7 March 1977

Strongest gust

87.5 km/h

20 January 1952

Hottest feels-like

41.0 °C

25 December 2017

Coldest feels-like

19.2 °C

9 September 1997

Sunniest day

12.5 h

11 December 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.7 °C19 October 2025	22.9 °C31 August 2025	27.1 °C	2,590 mm	168
2024	32.3 °C26 March 2024	21.1 °C18 June 2024	27.3 °C	2,096 mm	196
2023	32.5 °C21 November 2023	20.7 °C1 September 2023	26.9 °C	1,709 mm	142
2022	32.8 °C2 November 2022	22.1 °C19 August 2022	27.1 °C	2,105 mm	147
2021	32.4 °C29 October 2021	22.6 °C3 August 2021	27.0 °C	2,251 mm	112
2020	33.3 °C13 November 2020	21.7 °C19 August 2020	27.0 °C	1,692 mm	155
2019	33.0 °C1 December 2019	20.2 °C8 September 2019	26.6 °C	1,620 mm	111
2018	32.9 °C12 November 2018	21.0 °C29 July 2018	26.8 °C	1,612 mm	131
2017	33.1 °C4 November 2017	21.5 °C25 August 2017	26.9 °C	2,105 mm	117
2016	33.7 °C10 January 2016	22.0 °C11 August 2016	27.3 °C	1,757 mm	174
2015	33.3 °C9 December 2015	20.5 °C5 August 2015	26.6 °C	1,363 mm	119
2014	31.9 °C22 December 2014	20.4 °C12 September 2014	26.6 °C	1,334 mm	125
2013	31.7 °C31 March 2013	21.4 °C22 August 2013	26.7 °C	2,104 mm	115
2012	33.0 °C2 December 2012	21.4 °C30 September 2012	26.6 °C	1,554 mm	120
2011	32.0 °C28 November 2011	20.6 °C25 July 2011	26.4 °C	1,709 mm	86
2010	32.2 °C27 February 2010	23.5 °C19 June 2010	27.0 °C	2,251 mm	116
2009	31.8 °C9 April 2009	21.5 °C23 August 2009	26.6 °C	1,710 mm	100
2008	31.3 °C13 November 2008	21.0 °C30 July 2008	26.5 °C	1,552 mm	71
2007	31.7 °C14 December 2007	21.0 °C13 September 2007	26.6 °C	1,720 mm	109
2006	32.5 °C28 November 2006	20.4 °C5 August 2006	26.5 °C	1,632 mm	105
2005	32.5 °C28 October 2005	21.3 °C1 September 2005	26.6 °C	2,047 mm	96
2004	34.2 °C17 December 2004	20.3 °C15 August 2004	26.5 °C	1,477 mm	125
2003	34.0 °C27 November 2003	21.1 °C21 August 2003	26.7 °C	1,450 mm	127
2002	33.3 °C30 October 2002	20.6 °C7 October 2002	26.6 °C	1,504 mm	127
2001	33.1 °C23 October 2001	20.3 °C17 August 2001	26.5 °C	2,100 mm	83
2000	31.6 °C6 December 2000	20.1 °C20 July 2000	26.3 °C	2,155 mm	75
1999	31.1 °C25 January 1999	20.2 °C7 September 1999	26.4 °C	1,938 mm	72
1998	32.7 °C29 January 1998	22.8 °C28 July 1998	27.2 °C	1,899 mm	157
1997	32.7 °C22 November 1997	19.1 °C9 September 1997	26.4 °C	942 mm	128
1996	31.6 °C26 November 1996	21.4 °C19 July 1996	26.4 °C	1,746 mm	64
1995	31.8 °C3 November 1995	21.9 °C12 July 1995	26.5 °C	1,538 mm	75
1994	32.6 °C16 December 1994	19.7 °C21 September 1994	26.2 °C	1,417 mm	79
1993	32.2 °C14 November 1993	19.2 °C2 August 1993	26.2 °C	975 mm	87
1992	32.7 °C15 November 1992	20.7 °C12 August 1992	26.4 °C	1,480 mm	96
1991	31.5 °C30 November 1991	20.5 °C15 September 1991	26.0 °C	1,393 mm	56
1990	32.6 °C28 November 1990	21.0 °C22 August 1990	26.3 °C	1,931 mm	89
1989	31.1 °C15 November 1989	21.6 °C21 August 1989	26.4 °C	1,651 mm	73
1988	32.6 °C19 November 1988	22.2 °C18 June 1988	26.7 °C	1,817 mm	110
1987	32.2 °C28 October 1987	21.2 °C9 October 1987	26.5 °C	1,737 mm	103
1986	32.1 °C21 September 1986	20.8 °C14 September 1986	26.4 °C	1,733 mm	110
1985	31.3 °C12 October 1985	21.4 °C26 July 1985	26.0 °C	1,898 mm	49
1984	32.2 °C18 November 1984	19.7 °C17 August 1984	26.0 °C	1,827 mm	38
1983	32.1 °C25 January 1983	21.4 °C26 August 1983	26.5 °C	1,929 mm	88
1982	31.4 °C22 November 1982	20.5 °C20 July 1982	25.9 °C	1,263 mm	65
1981	31.3 °C19 March 1981	20.5 °C10 August 1981	26.3 °C	1,715 mm	47
1980	33.0 °C2 December 1980	21.2 °C31 July 1980	26.4 °C	1,427 mm	92
1979	33.4 °C28 November 1979	21.0 °C30 June 1979	26.4 °C	1,207 mm	102
1978	32.3 °C15 November 1978	21.5 °C20 July 1978	26.4 °C	2,250 mm	73
1977	32.8 °C7 December 1977	21.1 °C29 August 1977	26.1 °C	1,898 mm	83
1976	31.3 °C21 September 1976	20.2 °C12 August 1976	25.9 °C	2,309 mm	51
1975	31.2 °C17 October 1975	21.2 °C20 August 1975	26.1 °C	2,913 mm	39
1974	31.9 °C23 October 1974	21.4 °C1 August 1974	26.3 °C	1,670 mm	82
1973	32.2 °C22 October 1973	20.8 °C19 July 1973	26.5 °C	2,140 mm	75
1972	33.4 °C19 November 1972	20.1 °C8 August 1972	26.0 °C	1,478 mm	106
1971	31.3 °C6 November 1971	20.9 °C4 August 1971	25.9 °C	2,334 mm	36
1970	30.7 °C25 April 1970	21.9 °C21 June 1970	26.2 °C	2,559 mm	30
1969	32.5 °C18 November 1969	20.5 °C27 July 1969	26.2 °C	1,945 mm	77
1968	33.2 °C16 November 1968	21.3 °C3 August 1968	26.2 °C	1,600 mm	80
1967	32.9 °C22 November 1967	19.7 °C3 September 1967	25.8 °C	1,952 mm	47
1966	32.4 °C2 November 1966	21.6 °C5 September 1966	26.2 °C	1,840 mm	73
1965	33.1 °C23 November 1965	19.7 °C22 July 1965	25.8 °C	1,680 mm	72
1964	30.8 °C1 October 1964	20.5 °C25 June 1964	26.1 °C	2,053 mm	24
1963	33.2 °C1 December 1963	20.2 °C5 July 1963	26.1 °C	1,429 mm	83
1962	32.7 °C13 November 1962	21.6 °C2 August 1962	26.1 °C	1,978 mm	55
1961	32.2 °C7 December 1961	20.8 °C13 August 1961	26.0 °C	1,774 mm	55
1960	32.2 °C10 November 1960	21.3 °C30 May 1960	26.1 °C	2,276 mm	76
1959	33.2 °C29 November 1959	20.5 °C30 July 1959	26.3 °C	1,899 mm	83
1958	31.9 °C27 October 1958	21.2 °C13 June 1958	26.4 °C	1,407 mm	57
1957	32.3 °C29 November 1957	20.0 °C10 August 1957	26.0 °C	1,931 mm	48
1956	32.1 °C3 December 1956	21.2 °C5 August 1956	26.0 °C	1,972 mm	46
1955	32.0 °C14 October 1955	21.7 °C4 June 1955	26.2 °C	1,504 mm	62
1954	32.4 °C20 November 1954	21.3 °C21 September 1954	26.1 °C	1,929 mm	33
1953	32.4 °C30 October 1953	21.2 °C4 September 1953	26.1 °C	1,528 mm	61
1952	33.2 °C21 October 1952	21.6 °C1 August 1952	26.4 °C	1,891 mm	80
1951	33.1 °C20 October 1951	20.6 °C12 August 1951	26.1 °C	1,837 mm	83
1950	30.7 °C16 January 1950	21.4 °C3 August 1950	25.8 °C	2,422 mm	11
1949	31.4 °C19 November 1949	20.9 °C9 August 1949	25.9 °C	1,873 mm	44
1948	31.8 °C8 October 1948	20.5 °C29 September 1948	25.8 °C	1,728 mm	45
1947	32.9 °C12 November 1947	21.5 °C10 July 1947	26.2 °C	1,302 mm	80
1946	32.0 °C17 November 1946	20.0 °C2 August 1946	25.7 °C	1,799 mm	59
1945	31.8 °C5 December 1945	21.3 °C18 June 1945	25.8 °C	2,262 mm	33
1944	31.9 °C29 November 1944	21.3 °C2 May 1944	25.8 °C	1,867 mm	50
1943	30.9 °C17 December 1943	20.9 °C17 July 1943	25.3 °C	2,529 mm	33
1942	30.0 °C18 April 1942	21.1 °C31 July 1942	25.7 °C	2,383 mm	2
1941	32.1 °C1 January 1941	20.2 °C13 July 1941	26.0 °C	1,470 mm	66
1940	33.1 °C6 November 1940	20.4 °C22 July 1940	25.8 °C	1,361 mm	68

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

+0.7 °C

Hot days (≥ 30 °C)

168 d/yr

+84

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2590 mm

+780 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.4 °C	+1.2 °C	398 mm	+97 mm
Feb	30.0 °C	+1.0 °C	297 mm	+5 mm
Mar	30.0 °C	+1.1 °C	304 mm	-3 mm
Apr	29.5 °C	+0.4 °C	280 mm	+71 mm
May	29.7 °C	+0.9 °C	278 mm	+163 mm
Jun	28.7 °C	+0.6 °C	171 mm	+114 mm
Jul	28.3 °C	+0.7 °C	114 mm	+70 mm
Aug	28.5 °C	+0.4 °C	30 mm	-6 mm
Sep	30.0 °C	+0.9 °C	42 mm	-6 mm
Oct	30.9 °C	+0.9 °C	102 mm	+32 mm
Nov	30.5 °C	+0.1 °C	165 mm	+56 mm
Dec	30.0 °C	+0.2 °C	410 mm	+186 mm

The year's extremes

Hottest day

32.7 °C

19 Oct 2025

Coldest day

22.9 °C

31 Aug 2025

Wettest day

117.7 mm

19 Dec 2025

Windiest day

30.9 km/h

4 Feb 2025

Strongest gust

53.6 km/h

3 Feb 2025

Hottest feels-like

39.7 °C

23 Jan 2025

Coldest feels-like

24.0 °C

1 Sep 2025

Sunniest day

12.5 h

29 Nov 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 Merauke?

Merauke has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 1,810 mm of precipitation per year.

What is the hottest day ever recorded in Merauke?

The hottest day measured in Merauke between 1940 and 2025 was 17 December 2004, reaching 34.2 °C.

What is the coldest day in Merauke?

The coldest day measured in Merauke between 1940 and 2025 was 9 September 1997, at 19.1 °C.

Does it snow in Merauke?

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

Has the climate of Merauke warmed?

Yes: Merauke warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Merauke?

The wettest day measured in Merauke between 1940 and 2025 was 12 March 2017, with 190 mm of rain in 24 hours.

What was the windiest day in Merauke?

The windiest day measured in Merauke between 1940 and 2025 was 7 March 1977, with winds reaching 51.5 km/h.

What is the warmest month in Merauke?

The warmest month in Merauke is November (27.3 °C on average); the coldest is July (25.2 °C).

How much does it rain in Merauke?

Merauke receives on average 1,810 mm of precipitation per year, spread over about 226 rainy days.

Is it sunny in Merauke?

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

Are there tropical nights in Merauke?

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

What was the most extreme apparent temperature in Merauke?

In Merauke, between 1940 and 2025, the highest apparent temperature reached 41.0 °C on 25 December 2017, and the lowest was 19.2 °C on 9 September 1997.

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