Tiom climate — normals and trends

Q: What is the climate of Tiom?

Tiom has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.4 °C and it receives 3,922 mm of precipitation per year.

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

The hottest day measured in Tiom between 1940 and 2025 was 7 December 2015, reaching 23.5 °C.

Q: What is the coldest day in Tiom?

The coldest day measured in Tiom between 1940 and 2025 was 16 September 1964, at 2.4 °C.

Q: Does it snow in Tiom?

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

Q: Has the climate of Tiom warmed?

Yes: Tiom warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Tiom?

The wettest day measured in Tiom between 1940 and 2025 was 21 December 1956, with 89 mm of rain in 24 hours.

Q: What was the windiest day in Tiom?

The windiest day measured in Tiom between 1940 and 2025 was 14 November 1992, with winds reaching 31.1 km/h.

Q: What is the warmest month in Tiom?

The warmest month in Tiom is April (11.7 °C on average); the coldest is July (10.8 °C).

Q: How much does it rain in Tiom?

Tiom receives on average 3,922 mm of precipitation per year, spread over about 327 rainy days.

Q: Is it sunny in Tiom?

Tiom gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.

Tiom (Indonesia) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.4 °C and it receives 3,922 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 (11.7 °C on average) and the coldest is July (10.8 °C). Rainfall peaks in March.

Tiom averages 0 frost days, 0 hot days (≥ 30 °C) and 327 rainy days per year.

Tiom has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.

The hottest day of the period reached 23.5 °C (on 7 December 2015) and the coldest 2.4 °C (on 16 September 1964).

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

TiomHighland Papua

coords: -3.92°, 138.45°
period: 1940–2025 · 86 yrs

CfbTemperate oceanicWarmest monthAprilColdest monthJulyWettest monthMarchDriest monthJuly

Mean daily temperature

11.4°C

Average daily high

16.3°C

Average daily low

7.7°C

Annual rainfall

3,922mm

Sunshine / day

8.3h

Mean relative humidity

87%

Average peak wind

5.3km/h

Seasonal range

0.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

0 d/yr

Rainy days (≥ 1 mm)

327 d/yr

Annual snowfall

0.0 cm

Average feels-like high

16.7 °C

Average feels-like low

6.5 °C

Average peak gust

27.7 km/h

Tropical nights (≥ 20 °C)

0 d/yr

Solar radiation

15.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.9 °C

since 1940

+0.3 °C per decade · r² = 0.88 · 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

23.5 °C

7 December 2015

Coldest day

2.4 °C

16 September 1964

Wettest day

89 mm

21 December 1956

Windiest day

31.1 km/h

14 November 1992

Strongest gust

60.1 km/h

18 October 1954

Hottest feels-like

27.6 °C

7 December 2015

Coldest feels-like

-0.6 °C

11 August 1997

Snowiest day

2.5 cm

13 October 1940

Sunniest day

12.2 h

28 November 2019

Year	Hottest day	Coldest day	Annual mean	Rainfall
2025	21.7 °C12 January 2025	5.6 °C29 September 2025	12.3 °C	4,129 mm
2024	22.1 °C28 February 2024	6.5 °C19 June 2024	13.3 °C	4,793 mm
2023	21.6 °C17 April 2023	6.0 °C5 June 2023	13.1 °C	4,393 mm
2022	22.4 °C16 March 2022	5.0 °C30 June 2022	12.7 °C	3,660 mm
2021	21.4 °C19 October 2021	5.2 °C15 June 2021	12.8 °C	4,304 mm
2020	22.6 °C17 January 2020	6.2 °C4 July 2020	13.1 °C	4,338 mm
2019	21.4 °C28 November 2019	6.2 °C18 July 2019	12.6 °C	4,171 mm
2018	21.1 °C14 October 2018	5.1 °C21 June 2018	12.5 °C	4,135 mm
2017	21.6 °C24 April 2017	5.5 °C7 August 2017	12.6 °C	4,439 mm
2016	22.3 °C2 April 2016	5.4 °C19 July 2016	13.1 °C	5,273 mm
2015	23.5 °C7 December 2015	4.8 °C6 July 2015	12.8 °C	3,843 mm
2014	21.5 °C18 December 2014	5.1 °C26 July 2014	12.6 °C	4,547 mm
2013	21.6 °C24 January 2013	5.5 °C21 May 2013	12.6 °C	4,321 mm
2012	21.5 °C18 December 2012	5.8 °C20 September 2012	12.3 °C	4,501 mm
2011	21.9 °C11 March 2011	4.9 °C6 March 2011	12.2 °C	4,372 mm
2010	22.1 °C19 February 2010	4.2 °C26 July 2010	12.7 °C	3,811 mm
2009	21.4 °C12 April 2009	5.6 °C20 October 2009	12.3 °C	4,304 mm
2008	21.3 °C2 February 2008	4.8 °C6 September 2008	12.1 °C	3,726 mm
2007	21.7 °C23 January 2007	5.0 °C9 July 2007	12.4 °C	3,810 mm
2006	21.5 °C20 February 2006	4.2 °C4 June 2006	12.2 °C	4,306 mm
2005	21.3 °C25 February 2005	5.3 °C16 August 2005	12.1 °C	4,414 mm
2004	20.7 °C1 March 2004	4.4 °C13 October 2004	11.8 °C	3,910 mm
2003	21.2 °C19 March 2003	3.8 °C23 June 2003	11.9 °C	4,274 mm
2002	20.5 °C21 October 2002	4.4 °C6 December 2002	12.0 °C	4,117 mm
2001	21.6 °C10 February 2001	4.7 °C29 August 2001	12.1 °C	3,968 mm
2000	21.6 °C3 December 2000	4.5 °C18 March 2000	11.9 °C	3,262 mm
1999	20.7 °C6 January 1999	4.2 °C11 January 1999	11.8 °C	3,602 mm
1998	21.8 °C6 February 1998	5.1 °C23 August 1998	12.6 °C	4,019 mm
1997	21.2 °C1 November 1997	3.1 °C11 August 1997	12.1 °C	3,531 mm
1996	21.3 °C27 March 1996	3.9 °C9 August 1996	11.9 °C	3,762 mm
1995	21.0 °C2 May 1995	4.5 °C18 July 1995	11.8 °C	4,297 mm
1994	19.8 °C9 March 1994	4.7 °C30 September 1994	11.5 °C	3,850 mm
1993	20.9 °C8 January 1993	4.8 °C2 September 1993	11.6 °C	3,842 mm
1992	20.3 °C24 February 1992	4.4 °C3 August 1992	11.4 °C	4,182 mm
1991	20.7 °C12 January 1991	5.1 °C21 June 1991	11.3 °C	3,845 mm
1990	20.7 °C5 February 1990	4.5 °C20 June 1990	11.3 °C	3,997 mm
1989	20.0 °C10 January 1989	3.5 °C5 September 1989	11.3 °C	3,688 mm
1988	21.1 °C27 February 1988	4.4 °C25 August 1988	11.8 °C	4,100 mm
1987	20.9 °C31 October 1987	4.5 °C26 July 1987	11.6 °C	4,353 mm
1986	20.5 °C23 October 1986	3.3 °C23 August 1986	11.1 °C	3,783 mm
1985	21.8 °C15 March 1985	4.3 °C16 July 1985	11.0 °C	3,547 mm
1984	20.0 °C23 October 1984	3.8 °C1 September 1984	11.4 °C	3,266 mm
1983	20.1 °C17 October 1983	5.5 °C23 January 1983	11.7 °C	4,018 mm
1982	19.8 °C5 December 1982	2.7 °C20 July 1982	11.4 °C	3,637 mm
1981	19.8 °C5 December 1981	2.8 °C19 August 1981	11.2 °C	3,928 mm
1980	19.2 °C5 November 1980	4.4 °C28 July 1980	11.3 °C	3,834 mm
1979	22.4 °C29 January 1979	4.0 °C14 August 1979	11.0 °C	4,038 mm
1978	20.6 °C18 November 1978	4.2 °C22 July 1978	11.1 °C	3,964 mm
1977	19.9 °C20 January 1977	5.0 °C18 September 1977	10.9 °C	4,379 mm
1976	19.2 °C14 December 1976	3.9 °C13 August 1976	10.7 °C	3,621 mm
1975	19.3 °C28 April 1975	3.6 °C22 July 1975	10.7 °C	3,862 mm
1974	19.5 °C8 October 1974	3.5 °C24 September 1974	10.5 °C	3,219 mm
1973	19.5 °C17 October 1973	2.9 °C16 September 1973	10.9 °C	4,323 mm
1972	18.7 °C2 September 1972	3.2 °C10 August 1972	10.6 °C	3,673 mm
1971	18.5 °C7 December 1971	3.7 °C2 August 1971	10.2 °C	3,722 mm
1970	18.9 °C28 February 1970	4.4 °C10 July 1970	10.7 °C	4,019 mm
1969	19.3 °C27 May 1969	3.7 °C5 August 1969	10.8 °C	4,600 mm
1968	19.1 °C28 December 1968	4.2 °C8 July 1968	10.5 °C	3,913 mm
1967	18.7 °C2 March 1967	4.0 °C2 November 1967	10.3 °C	4,582 mm
1966	18.7 °C24 March 1966	4.1 °C3 June 1966	10.5 °C	4,342 mm
1965	17.6 °C30 December 1965	4.0 °C23 June 1965	10.2 °C	3,965 mm
1964	18.5 °C9 April 1964	2.4 °C16 September 1964	10.4 °C	3,282 mm
1963	18.1 °C8 February 1963	3.5 °C2 June 1963	10.6 °C	3,318 mm
1962	19.4 °C3 January 1962	4.7 °C22 August 1962	10.9 °C	3,365 mm
1961	18.7 °C26 December 1961	3.6 °C12 September 1961	10.5 °C	3,901 mm
1960	18.5 °C6 November 1960	4.3 °C24 September 1960	10.8 °C	3,941 mm
1959	18.2 °C25 January 1959	3.9 °C18 October 1959	10.5 °C	3,592 mm
1958	20.0 °C16 January 1958	4.1 °C16 July 1958	11.4 °C	3,756 mm
1957	20.4 °C9 December 1957	4.3 °C16 November 1957	11.0 °C	4,006 mm
1956	17.8 °C18 November 1956	3.7 °C19 July 1956	10.2 °C	3,148 mm
1955	18.8 °C20 October 1955	3.0 °C19 July 1955	10.5 °C	3,220 mm
1954	19.5 °C18 November 1954	3.6 °C26 July 1954	10.6 °C	3,547 mm
1953	19.2 °C7 February 1953	5.1 °C10 January 1953	10.8 °C	3,671 mm
1952	18.4 °C26 October 1952	4.7 °C8 August 1952	10.7 °C	3,783 mm
1951	18.6 °C19 October 1951	4.6 °C10 August 1951	10.6 °C	4,000 mm
1950	18.2 °C23 March 1950	3.5 °C13 May 1950	10.4 °C	4,129 mm
1949	18.3 °C13 February 1949	3.3 °C30 August 1949	10.4 °C	3,494 mm
1948	17.9 °C15 April 1948	3.3 °C28 July 1948	10.4 °C	3,412 mm
1947	18.3 °C4 November 1947	3.3 °C28 June 1947	10.5 °C	3,963 mm
1946	17.8 °C5 April 1946	3.6 °C1 August 1946	10.3 °C	3,704 mm
1945	18.2 °C9 October 1945	4.4 °C9 February 1945	10.2 °C	3,558 mm
1944	17.9 °C22 April 1944	4.2 °C6 January 1944	10.3 °C	3,287 mm
1943	17.4 °C8 September 1943	4.1 °C8 September 1943	9.8 °C	3,557 mm
1942	17.4 °C7 June 1942	4.4 °C8 August 1942	10.0 °C	3,717 mm
1941	19.3 °C2 March 1941	4.2 °C19 August 1941	10.5 °C	3,868 mm
1940	17.9 °C19 August 1940	3.2 °C23 July 1940	10.3 °C	3,663 mm

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

17.1 °C

+0.8 °C

Hot days (≥ 30 °C)

0 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

4129 mm

+207 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	18.5 °C	+2.0 °C	404 mm	+19 mm
Feb	17.7 °C	+1.2 °C	392 mm	-33 mm
Mar	17.7 °C	+1.0 °C	483 mm	+33 mm
Apr	16.8 °C	+0.3 °C	484 mm	+92 mm
May	17.3 °C	+0.9 °C	242 mm	-47 mm
Jun	16.5 °C	+0.6 °C	168 mm	-46 mm
Jul	16.2 °C	+0.6 °C	277 mm	+63 mm
Aug	16.6 °C	+0.9 °C	199 mm	-31 mm
Sep	16.5 °C	+0.5 °C	325 mm	+53 mm
Oct	17.0 °C	+0.6 °C	319 mm	-14 mm
Nov	17.3 °C	+0.6 °C	428 mm	+96 mm
Dec	17.4 °C	+0.7 °C	408 mm	+21 mm

The year's extremes

Hottest day

21.7 °C

12 Jan 2025

Coldest day

5.6 °C

29 Sep 2025

Wettest day

52.3 mm

13 Apr 2025

Windiest day

11.5 km/h

9 Oct 2025

Strongest gust

45.0 km/h

22 Jan 2025

Hottest feels-like

24.5 °C

12 Jan 2025

Coldest feels-like

4.0 °C

29 Sep 2025

Sunniest day

12.0 h

5 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 Tiom?

Tiom has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.4 °C and it receives 3,922 mm of precipitation per year.

What is the hottest day ever recorded in Tiom?

The hottest day measured in Tiom between 1940 and 2025 was 7 December 2015, reaching 23.5 °C.

What is the coldest day in Tiom?

The coldest day measured in Tiom between 1940 and 2025 was 16 September 1964, at 2.4 °C.

Does it snow in Tiom?

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

Has the climate of Tiom warmed?

Yes: Tiom warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Tiom?

The wettest day measured in Tiom between 1940 and 2025 was 21 December 1956, with 89 mm of rain in 24 hours.

What was the windiest day in Tiom?

The windiest day measured in Tiom between 1940 and 2025 was 14 November 1992, with winds reaching 31.1 km/h.

What is the warmest month in Tiom?

The warmest month in Tiom is April (11.7 °C on average); the coldest is July (10.8 °C).

How much does it rain in Tiom?

Tiom receives on average 3,922 mm of precipitation per year, spread over about 327 rainy days.

Is it sunny in Tiom?

Tiom gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.

What is the biggest single-day snowfall in Tiom?

The heaviest 24-hour snowfall measured in Tiom between 1940 and 2025 was 13 October 1940, with 2.5 cm.

Are there tropical nights in Tiom?

Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Tiom.

What was the most extreme apparent temperature in Tiom?

In Tiom, between 1940 and 2025, the highest apparent temperature reached 27.6 °C on 7 December 2015, and the lowest was -0.6 °C on 11 August 1997.

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