Bintuni climate — normals and trends

Q: What is the climate of Bintuni?

Bintuni has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.4 °C and it receives 2,991 mm of precipitation per year.

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

The hottest day measured in Bintuni between 1940 and 2025 was 21 October 2015, reaching 34.9 °C.

Q: What is the coldest day in Bintuni?

The coldest day measured in Bintuni between 1940 and 2025 was 14 November 1946, at 19.7 °C.

Q: Does it snow in Bintuni?

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

Q: Has the climate of Bintuni warmed?

Yes: Bintuni warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Bintuni?

The wettest day measured in Bintuni between 1940 and 2025 was 27 January 1978, with 180 mm of rain in 24 hours.

Q: What was the windiest day in Bintuni?

The windiest day measured in Bintuni between 1940 and 2025 was 15 January 1961, with winds reaching 20.8 km/h.

Q: What is the warmest month in Bintuni?

The warmest month in Bintuni is November (25.7 °C on average); the coldest is July (25.0 °C).

Q: How much does it rain in Bintuni?

Bintuni receives on average 2,991 mm of precipitation per year, spread over about 325 rainy days.

Q: Is it sunny in Bintuni?

Bintuni gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.

Bintuni (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.4 °C and it receives 2,991 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 (25.7 °C on average) and the coldest is July (25.0 °C). Rainfall peaks in March.

Bintuni averages 0 frost days, 142 hot days (≥ 30 °C) and 325 rainy days per year.

Bintuni has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.9 °C (on 21 October 2015) and the coldest 19.7 °C (on 14 November 1946).

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

BintuniWest Papua

coords: -2.11°, 133.52°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthNovemberColdest monthJulyWettest monthMarchDriest monthJuly

Mean daily temperature

25.4°C

Average daily high

29.5°C

Average daily low

22.9°C

Annual rainfall

2,991mm

Sunshine / day

9.6h

Mean relative humidity

88%

Average peak wind

8.2km/h

Seasonal range

0.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

142 d/yr

Rainy days (≥ 1 mm)

325 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.5 °C

Average feels-like low

27.4 °C

Average peak gust

25.6 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

17.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.80 · 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

34.9 °C

21 October 2015

Coldest day

19.7 °C

14 November 1946

Wettest day

180 mm

27 January 1978

Windiest day

20.8 km/h

15 January 1961

Strongest gust

62.3 km/h

2 January 2008

Hottest feels-like

42.0 °C

7 December 2019

Coldest feels-like

21.9 °C

22 June 1982

Sunniest day

12.0 h

12 September 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.6 °C11 February 2025	22.0 °C11 July 2025	26.1 °C	3,651 mm	213
2024	34.9 °C19 September 2024	22.6 °C17 July 2024	26.8 °C	3,566 mm	257
2023	34.5 °C16 December 2023	22.0 °C11 August 2023	26.7 °C	2,686 mm	280
2022	33.9 °C30 October 2022	22.3 °C21 June 2022	26.6 °C	2,920 mm	270
2021	33.9 °C12 November 2021	22.0 °C19 July 2021	26.5 °C	3,557 mm	248
2020	34.6 °C10 January 2020	22.7 °C17 March 2020	26.7 °C	3,219 mm	268
2019	34.7 °C7 December 2019	21.1 °C14 July 2019	26.4 °C	3,096 mm	239
2018	33.5 °C7 January 2018	21.7 °C29 October 2018	26.4 °C	3,090 mm	251
2017	33.9 °C24 November 2017	22.5 °C19 June 2017	26.4 °C	3,765 mm	231
2016	34.2 °C20 December 2016	22.1 °C8 August 2016	26.6 °C	4,259 mm	258
2015	34.9 °C21 October 2015	20.5 °C7 August 2015	26.4 °C	2,521 mm	264
2014	33.2 °C9 December 2014	20.4 °C3 September 2014	26.2 °C	2,939 mm	240
2013	33.0 °C9 January 2013	21.7 °C17 August 2013	25.9 °C	3,731 mm	205
2012	33.4 °C10 October 2012	21.2 °C16 June 2012	25.7 °C	3,393 mm	199
2011	33.7 °C2 April 2011	21.1 °C25 September 2011	25.7 °C	3,199 mm	208
2010	33.9 °C14 October 2010	21.4 °C10 September 2010	26.2 °C	3,059 mm	263
2009	33.9 °C13 December 2009	21.4 °C12 January 2009	25.9 °C	2,735 mm	235
2008	32.7 °C12 February 2008	20.8 °C2 August 2008	25.6 °C	2,996 mm	212
2007	33.5 °C3 October 2007	21.0 °C3 July 2007	25.8 °C	2,828 mm	219
2006	34.2 °C8 November 2006	19.9 °C9 August 2006	25.7 °C	2,590 mm	199
2005	32.6 °C5 March 2005	21.1 °C12 September 2005	25.5 °C	2,841 mm	184
2004	32.8 °C20 March 2004	19.8 °C15 August 2004	25.4 °C	2,541 mm	162
2003	32.9 °C24 February 2003	21.7 °C12 June 2003	25.6 °C	2,728 mm	184
2002	34.1 °C29 October 2002	20.2 °C19 July 2002	25.7 °C	2,386 mm	228
2001	32.8 °C23 October 2001	20.5 °C2 July 2001	25.6 °C	2,811 mm	185
2000	32.9 °C1 November 2000	21.5 °C21 August 2000	25.5 °C	2,911 mm	184
1999	32.7 °C26 April 1999	21.2 °C15 August 1999	25.6 °C	2,947 mm	192
1998	33.4 °C26 October 1998	22.1 °C22 September 1998	26.1 °C	3,409 mm	247
1997	34.4 °C26 August 1997	20.1 °C15 August 1997	25.8 °C	2,071 mm	247
1996	32.6 °C17 March 1996	21.6 °C24 September 1996	25.7 °C	2,866 mm	205
1995	33.3 °C8 May 1995	21.6 °C10 July 1995	25.5 °C	3,364 mm	176
1994	32.9 °C24 September 1994	20.0 °C17 September 1994	25.4 °C	2,837 mm	145
1993	32.9 °C30 January 1993	20.5 °C5 August 1993	25.5 °C	2,564 mm	178
1992	32.4 °C1 September 1992	21.3 °C31 October 1992	25.5 °C	2,898 mm	166
1991	33.5 °C15 November 1991	21.0 °C11 September 1991	25.6 °C	2,227 mm	160
1990	33.2 °C23 December 1990	21.1 °C20 June 1990	25.5 °C	2,807 mm	179
1989	32.7 °C27 January 1989	21.1 °C27 October 1989	25.2 °C	3,121 mm	162
1988	33.2 °C30 March 1988	21.7 °C20 June 1988	25.7 °C	3,502 mm	207
1987	32.4 °C22 December 1987	20.8 °C12 July 1987	25.6 °C	3,035 mm	178
1986	32.0 °C18 January 1986	21.0 °C16 September 1986	25.3 °C	2,633 mm	146
1985	32.6 °C22 November 1985	20.9 °C10 July 1985	25.3 °C	2,852 mm	154
1984	32.3 °C31 October 1984	21.2 °C18 October 1984	25.3 °C	3,673 mm	134
1983	32.5 °C6 November 1983	21.9 °C28 August 1983	25.5 °C	3,112 mm	141
1982	34.1 °C9 September 1982	19.7 °C6 September 1982	25.6 °C	1,995 mm	199
1981	32.4 °C20 August 1981	21.2 °C14 August 1981	25.5 °C	2,834 mm	156
1980	31.8 °C13 March 1980	21.6 °C27 September 1980	25.4 °C	2,785 mm	131
1979	31.8 °C17 May 1979	21.5 °C20 July 1979	25.2 °C	2,754 mm	96
1978	31.8 °C29 September 1978	21.8 °C6 January 1978	25.1 °C	4,102 mm	102
1977	32.1 °C13 November 1977	21.4 °C26 June 1977	25.0 °C	2,969 mm	87
1976	32.0 °C17 March 1976	20.7 °C18 August 1976	24.9 °C	2,724 mm	98
1975	31.8 °C24 October 1975	21.1 °C30 June 1975	24.9 °C	3,646 mm	89
1974	31.7 °C28 April 1974	21.1 °C29 June 1974	24.9 °C	2,826 mm	80
1973	32.1 °C16 September 1973	21.5 °C16 November 1973	25.2 °C	3,314 mm	80
1972	32.4 °C22 September 1972	20.1 °C3 June 1972	24.9 °C	2,205 mm	86
1971	31.6 °C23 February 1971	21.1 °C11 May 1971	24.6 °C	3,762 mm	42
1970	31.0 °C13 September 1970	20.9 °C14 October 1970	24.9 °C	4,135 mm	45
1969	32.0 °C3 March 1969	21.5 °C27 July 1969	25.0 °C	2,988 mm	55
1968	31.8 °C24 November 1968	21.0 °C23 September 1968	24.9 °C	2,845 mm	44
1967	30.9 °C18 November 1967	21.1 °C3 September 1967	24.6 °C	3,237 mm	29
1966	30.9 °C21 September 1966	21.0 °C2 September 1966	24.7 °C	3,770 mm	31
1965	32.4 °C16 October 1965	19.8 °C25 July 1965	24.8 °C	2,493 mm	61
1964	31.3 °C21 March 1964	20.9 °C16 September 1964	24.8 °C	3,370 mm	55
1963	31.9 °C5 November 1963	20.3 °C25 August 1963	25.0 °C	2,544 mm	68
1962	31.3 °C2 April 1962	21.2 °C29 July 1962	25.0 °C	2,762 mm	75
1961	31.6 °C2 March 1961	20.3 °C13 September 1961	24.8 °C	2,825 mm	64
1960	31.5 °C16 March 1960	20.9 °C14 December 1960	24.9 °C	3,123 mm	66
1959	31.4 °C12 November 1959	21.3 °C11 August 1959	24.9 °C	2,996 mm	79
1958	32.5 °C13 January 1958	20.9 °C23 February 1958	25.3 °C	2,687 mm	146
1957	32.2 °C6 January 1957	20.8 °C6 January 1957	24.9 °C	3,288 mm	84
1956	31.8 °C8 March 1956	21.2 °C9 January 1956	24.7 °C	3,287 mm	73
1955	31.3 °C26 February 1955	21.3 °C3 January 1955	24.8 °C	3,065 mm	58
1954	31.3 °C27 February 1954	21.1 °C13 August 1954	24.9 °C	3,295 mm	54
1953	31.5 °C29 March 1953	21.2 °C5 August 1953	25.0 °C	2,822 mm	76
1952	32.1 °C29 December 1952	21.3 °C28 October 1952	25.0 °C	3,008 mm	83
1951	31.1 °C12 March 1951	20.8 °C2 January 1951	24.9 °C	2,648 mm	62
1950	31.7 °C7 February 1950	20.9 °C11 May 1950	24.8 °C	3,061 mm	63
1949	32.0 °C16 December 1949	20.6 °C20 December 1949	24.8 °C	3,977 mm	76
1948	31.3 °C5 October 1948	19.7 °C1 October 1948	24.7 °C	2,509 mm	36
1947	31.3 °C16 November 1947	21.0 °C2 October 1947	24.9 °C	2,738 mm	55
1946	32.6 °C17 November 1946	19.7 °C14 November 1946	24.8 °C	2,594 mm	69
1945	31.3 °C28 December 1945	21.1 °C25 April 1945	24.7 °C	3,100 mm	46
1944	31.2 °C4 February 1944	20.3 °C2 October 1944	24.9 °C	2,615 mm	63
1943	32.7 °C28 December 1943	20.4 °C27 April 1943	24.7 °C	2,484 mm	71
1942	31.0 °C6 February 1942	20.6 °C6 December 1942	24.6 °C	2,872 mm	40
1941	31.8 °C19 February 1941	20.3 °C28 October 1941	25.0 °C	2,401 mm	78
1940	34.2 °C1 September 1940	20.4 °C26 July 1940	25.2 °C	1,825 mm	126

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

30.0 °C

+0.5 °C

Hot days (≥ 30 °C)

213 d/yr

+71

Frost days (< 0 °C)

0 d/yr

Annual rainfall

3651 mm

+660 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.5 °C	+0.9 °C	306 mm	+26 mm
Feb	30.9 °C	+1.2 °C	245 mm	-31 mm
Mar	30.3 °C	+0.6 °C	203 mm	-106 mm
Apr	29.6 °C	+0.1 °C	502 mm	+217 mm
May	29.9 °C	+0.4 °C	326 mm	+69 mm
Jun	29.5 °C	+0.5 °C	262 mm	+22 mm
Jul	29.6 °C	+0.8 °C	333 mm	+125 mm
Aug	29.2 °C	+0.1 °C	370 mm	+160 mm
Sep	29.6 °C	+0.1 °C	279 mm	+57 mm
Oct	29.8 °C	-0.1 °C	264 mm	+50 mm
Nov	30.6 °C	+0.6 °C	261 mm	+38 mm
Dec	30.2 °C	+0.5 °C	300 mm	+34 mm

The year's extremes

Hottest day

33.6 °C

11 Feb 2025

Coldest day

22.0 °C

11 Jul 2025

Wettest day

62.5 mm

3 Apr 2025

Windiest day

15.3 km/h

3 Feb 2025

Strongest gust

45.7 km/h

20 Nov 2025

Hottest feels-like

42.0 °C

11 Feb 2025

Coldest feels-like

26.2 °C

11 Jul 2025

Sunniest day

12.0 h

12 Sep 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 Bintuni?

Bintuni has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.4 °C and it receives 2,991 mm of precipitation per year.

What is the hottest day ever recorded in Bintuni?

The hottest day measured in Bintuni between 1940 and 2025 was 21 October 2015, reaching 34.9 °C.

What is the coldest day in Bintuni?

The coldest day measured in Bintuni between 1940 and 2025 was 14 November 1946, at 19.7 °C.

Does it snow in Bintuni?

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

Has the climate of Bintuni warmed?

Yes: Bintuni warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Bintuni?

The wettest day measured in Bintuni between 1940 and 2025 was 27 January 1978, with 180 mm of rain in 24 hours.

What was the windiest day in Bintuni?

The windiest day measured in Bintuni between 1940 and 2025 was 15 January 1961, with winds reaching 20.8 km/h.

What is the warmest month in Bintuni?

The warmest month in Bintuni is November (25.7 °C on average); the coldest is July (25.0 °C).

How much does it rain in Bintuni?

Bintuni receives on average 2,991 mm of precipitation per year, spread over about 325 rainy days.

Is it sunny in Bintuni?

Bintuni gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.

Are there tropical nights in Bintuni?

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

What was the most extreme apparent temperature in Bintuni?

In Bintuni, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 7 December 2019, and the lowest was 21.9 °C on 22 June 1982.

Compare Bintuni with another city

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

Nearby cities

The climate around Bintuni

Other cities — Indonesia

All cities in Indonesia →