Ruteng climate — normals and trends

Q: What is the climate of Ruteng?

Ruteng has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 22.7 °C and it receives 2,674 mm of precipitation per year.

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

The hottest day measured in Ruteng between 1940 and 2025 was 30 October 1987, reaching 34.2 °C.

Q: What is the coldest day in Ruteng?

The coldest day measured in Ruteng between 1940 and 2025 was 30 July 1967, at 12.1 °C.

Q: Does it snow in Ruteng?

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

Q: Has the climate of Ruteng warmed?

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

Q: What is the wettest day in Ruteng?

The wettest day measured in Ruteng between 1940 and 2025 was 22 February 2022, with 138 mm of rain in 24 hours.

Q: What was the windiest day in Ruteng?

The windiest day measured in Ruteng between 1940 and 2025 was 24 January 1993, with winds reaching 25.2 km/h.

Q: What is the warmest month in Ruteng?

The warmest month in Ruteng is October (23.9 °C on average); the coldest is July (21.6 °C).

Q: How much does it rain in Ruteng?

Ruteng receives on average 2,674 mm of precipitation per year, spread over about 227 rainy days.

Q: Is it sunny in Ruteng?

Ruteng gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.

Ruteng (Indonesia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 22.7 °C and it receives 2,674 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 (23.9 °C on average) and the coldest is July (21.6 °C). Rainfall peaks in February.

Ruteng averages 0 frost days, 39 hot days (≥ 30 °C) and 227 rainy days per year.

Ruteng has warmed by +1.8 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.2 °C (on 30 October 1987) and the coldest 12.1 °C (on 30 July 1967).

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

RutengEast Nusa Tenggara

coords: -8.61°, 120.46°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthOctoberColdest monthJulyWettest monthFebruaryDriest monthAugust

Mean daily temperature

22.7°C

Average daily high

27.7°C

Average daily low

19.2°C

Annual rainfall

2,674mm

Sunshine / day

10.8h

Mean relative humidity

83%

Average peak wind

6.4km/h

Seasonal range

2.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

39 d/yr

Rainy days (≥ 1 mm)

227 d/yr

Annual snowfall

0.0 cm

Average feels-like high

32.3 °C

Average feels-like low

21.8 °C

Average peak gust

29.1 km/h

Tropical nights (≥ 20 °C)

125 d/yr

Solar radiation

20.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.77 · 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

30 October 1987

Coldest day

12.1 °C

30 July 1967

Wettest day

138 mm

22 February 2022

Windiest day

25.2 km/h

24 January 1993

Strongest gust

97.6 km/h

24 January 1993

Hottest feels-like

39.3 °C

8 December 2002

Coldest feels-like

11.6 °C

19 July 1991

Sunniest day

12.3 h

18 November 1957

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.8 °C3 September 2025	14.3 °C14 August 2025	23.6 °C	3,421 mm	48
2024	33.6 °C29 September 2024	14.8 °C15 July 2024	23.9 °C	2,810 mm	51
2023	32.0 °C12 September 2023	15.4 °C2 September 2023	23.6 °C	2,193 mm	58
2022	30.4 °C10 December 2022	13.9 °C24 July 2022	23.2 °C	3,524 mm	1
2021	31.2 °C9 October 2021	15.0 °C26 July 2021	23.4 °C	2,925 mm	30
2020	32.0 °C18 September 2020	15.3 °C25 July 2020	23.8 °C	2,547 mm	35
2019	31.7 °C19 October 2019	13.4 °C7 July 2019	23.4 °C	2,365 mm	34
2018	32.5 °C15 October 2018	15.3 °C10 July 2018	23.5 °C	2,471 mm	41
2017	31.3 °C9 September 2017	16.0 °C30 August 2017	23.3 °C	3,328 mm	20
2016	29.9 °C7 January 2016	14.7 °C19 August 2016	23.5 °C	3,291 mm	0
2015	31.5 °C30 October 2015	14.3 °C7 July 2015	23.2 °C	2,220 mm	42
2014	32.7 °C9 October 2014	13.4 °C25 August 2014	23.1 °C	2,351 mm	35
2013	31.9 °C10 October 2013	14.5 °C29 July 2013	23.1 °C	3,192 mm	21
2012	31.0 °C19 September 2012	13.7 °C24 June 2012	22.8 °C	2,959 mm	16
2011	31.0 °C13 October 2011	13.1 °C15 June 2011	22.8 °C	2,654 mm	4
2010	29.2 °C26 March 2010	15.9 °C21 June 2010	23.2 °C	3,709 mm	0
2009	30.6 °C8 September 2009	13.6 °C9 July 2009	23.1 °C	2,269 mm	25
2008	31.3 °C4 September 2008	14.2 °C16 July 2008	22.9 °C	2,924 mm	20
2007	30.5 °C24 September 2007	13.7 °C8 July 2007	23.0 °C	2,487 mm	8
2006	32.5 °C2 October 2006	13.4 °C30 July 2006	22.8 °C	2,559 mm	39
2005	31.6 °C23 September 2005	14.9 °C2 July 2005	23.4 °C	2,710 mm	26
2004	33.4 °C15 October 2004	13.2 °C17 June 2004	23.4 °C	2,128 mm	81
2003	33.0 °C4 October 2003	13.4 °C4 July 2003	23.4 °C	2,384 mm	77
2002	33.6 °C16 October 2002	13.6 °C29 August 2002	23.6 °C	2,268 mm	148
2001	33.3 °C16 September 2001	12.8 °C3 July 2001	23.2 °C	2,789 mm	76
2000	33.4 °C16 September 2000	12.7 °C21 July 2000	23.1 °C	3,022 mm	66
1999	32.7 °C26 September 1999	13.7 °C25 May 1999	22.8 °C	3,164 mm	52
1998	31.6 °C7 September 1998	14.7 °C29 August 1998	23.6 °C	3,184 mm	19
1997	32.9 °C11 October 1997	14.1 °C19 August 1997	23.3 °C	2,001 mm	98
1996	33.0 °C14 October 1996	14.8 °C5 May 1996	23.1 °C	2,893 mm	50
1995	33.0 °C2 October 1995	12.5 °C28 July 1995	23.1 °C	3,142 mm	82
1994	33.0 °C26 October 1994	12.5 °C16 July 1994	22.9 °C	2,413 mm	82
1993	33.2 °C31 October 1993	14.0 °C16 July 1993	23.1 °C	2,383 mm	45
1992	32.5 °C19 October 1992	14.6 °C24 June 1992	23.0 °C	2,323 mm	60
1991	33.9 °C25 October 1991	12.5 °C19 July 1991	22.8 °C	2,307 mm	67
1990	33.5 °C20 November 1990	14.5 °C9 June 1990	23.2 °C	2,560 mm	81
1989	33.0 °C28 October 1989	13.9 °C16 August 1989	22.9 °C	2,852 mm	50
1988	32.8 °C31 August 1988	13.3 °C20 June 1988	23.3 °C	2,852 mm	68
1987	34.2 °C30 October 1987	14.0 °C10 August 1987	23.4 °C	2,189 mm	90
1986	32.6 °C27 September 1986	13.2 °C17 August 1986	22.8 °C	2,980 mm	35
1985	33.1 °C16 October 1985	13.7 °C12 July 1985	22.9 °C	2,586 mm	77
1984	32.2 °C5 November 1984	13.1 °C31 July 1984	22.5 °C	3,208 mm	18
1983	32.5 °C23 September 1983	15.0 °C6 August 1983	23.1 °C	2,956 mm	49
1982	32.1 °C7 October 1982	12.6 °C9 July 1982	22.8 °C	1,980 mm	68
1981	31.0 °C2 September 1981	14.8 °C13 August 1981	22.6 °C	3,121 mm	4
1980	32.4 °C6 October 1980	14.6 °C30 July 1980	23.1 °C	2,632 mm	64
1979	32.4 °C23 October 1979	14.3 °C22 July 1979	22.9 °C	2,142 mm	49
1978	30.5 °C27 September 1978	14.4 °C24 August 1978	22.5 °C	3,684 mm	4
1977	33.2 °C14 November 1977	12.7 °C4 July 1977	22.9 °C	2,550 mm	76
1976	32.8 °C13 October 1976	13.9 °C8 July 1976	22.6 °C	2,110 mm	34
1975	29.8 °C19 November 1975	15.2 °C9 July 1975	22.3 °C	3,810 mm	0
1974	31.0 °C23 November 1974	15.0 °C1 July 1974	22.2 °C	2,983 mm	1
1973	32.1 °C7 September 1973	15.3 °C12 June 1973	22.8 °C	3,422 mm	27
1972	32.6 °C25 October 1972	14.2 °C4 June 1972	22.3 °C	2,266 mm	66
1971	31.9 °C15 September 1971	13.9 °C14 June 1971	22.0 °C	3,149 mm	13
1970	33.2 °C13 October 1970	14.1 °C8 August 1970	22.7 °C	2,993 mm	48
1969	33.8 °C10 October 1969	14.1 °C10 July 1969	22.9 °C	1,665 mm	95
1968	33.0 °C16 November 1968	13.1 °C1 August 1968	22.1 °C	2,996 mm	32
1967	32.5 °C22 October 1967	12.1 °C30 July 1967	22.0 °C	2,521 mm	35
1966	31.7 °C26 September 1966	13.0 °C22 July 1966	21.9 °C	2,650 mm	13
1965	32.6 °C24 October 1965	13.4 °C23 July 1965	22.5 °C	2,406 mm	77
1964	30.2 °C20 August 1964	13.4 °C24 July 1964	22.2 °C	2,810 mm	2
1963	32.0 °C8 November 1963	13.3 °C26 June 1963	22.2 °C	2,597 mm	58
1962	32.3 °C4 October 1962	14.4 °C1 August 1962	22.0 °C	2,807 mm	34
1961	32.2 °C15 October 1961	13.3 °C17 July 1961	22.0 °C	2,331 mm	33
1960	30.8 °C9 October 1960	14.5 °C18 July 1960	21.8 °C	3,044 mm	6
1959	31.5 °C4 November 1959	13.5 °C13 July 1959	22.2 °C	2,998 mm	12
1958	31.2 °C26 September 1958	14.3 °C9 August 1958	22.7 °C	2,695 mm	19
1957	33.7 °C5 November 1957	13.8 °C14 September 1957	22.5 °C	2,597 mm	72
1956	29.4 °C29 October 1956	13.8 °C29 August 1956	21.6 °C	2,731 mm	0
1955	31.4 °C3 October 1955	14.4 °C6 August 1955	21.9 °C	3,275 mm	13
1954	30.1 °C6 October 1954	13.5 °C17 July 1954	21.9 °C	2,975 mm	1
1953	33.6 °C21 October 1953	14.0 °C15 July 1953	22.4 °C	1,869 mm	36
1952	31.9 °C3 October 1952	14.0 °C3 July 1952	22.4 °C	2,426 mm	34
1951	33.1 °C19 November 1951	14.8 °C2 May 1951	22.4 °C	2,327 mm	56
1950	31.1 °C6 October 1950	14.0 °C15 July 1950	21.7 °C	2,683 mm	3
1949	29.3 °C2 October 1949	13.5 °C24 July 1949	21.7 °C	3,010 mm	0
1948	32.9 °C3 November 1948	13.7 °C30 June 1948	22.5 °C	1,142 mm	71
1947	31.0 °C6 October 1947	14.2 °C22 July 1947	22.2 °C	2,308 mm	7
1946	32.0 °C26 October 1946	12.6 °C15 August 1946	21.9 °C	2,000 mm	48
1945	29.1 °C19 September 1945	13.7 °C4 July 1945	21.5 °C	3,150 mm	0
1944	31.6 °C19 October 1944	13.8 °C10 July 1944	21.7 °C	2,261 mm	28
1943	31.4 °C8 December 1943	12.7 °C31 August 1943	21.5 °C	2,209 mm	25
1942	29.2 °C16 November 1942	14.7 °C22 August 1942	21.6 °C	2,529 mm	0
1941	32.0 °C18 October 1941	12.7 °C11 August 1941	22.0 °C	2,298 mm	48
1940	32.0 °C7 November 1940	13.4 °C7 September 1940	21.7 °C	2,322 mm	31

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

28.4 °C

+0.7 °C

Hot days (≥ 30 °C)

48 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

3421 mm

+747 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	26.7 °C	+0.2 °C	651 mm	+236 mm
Feb	26.9 °C	+0.6 °C	462 mm	+42 mm
Mar	27.9 °C	+1.0 °C	460 mm	+52 mm
Apr	28.8 °C	+1.4 °C	186 mm	-57 mm
May	28.4 °C	+1.0 °C	256 mm	+119 mm
Jun	27.6 °C	+0.5 °C	93 mm	+17 mm
Jul	28.2 °C	+0.9 °C	33 mm	-23 mm
Aug	29.9 °C	+1.6 °C	21 mm	-16 mm
Sep	29.6 °C	+0.3 °C	169 mm	+107 mm
Oct	29.5 °C	-0.2 °C	171 mm	+40 mm
Nov	29.3 °C	+0.6 °C	390 mm	+102 mm
Dec	27.8 °C	+0.5 °C	529 mm	+129 mm

The year's extremes

Hottest day

32.8 °C

3 Sep 2025

Coldest day

14.3 °C

14 Aug 2025

Wettest day

46.5 mm

27 Jan 2025

Windiest day

16.5 km/h

8 Feb 2025

Strongest gust

63.4 km/h

9 Feb 2025

Hottest feels-like

38.6 °C

4 Nov 2025

Coldest feels-like

14.4 °C

14 Aug 2025

Sunniest day

12.2 h

20 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 Ruteng?

Ruteng has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 22.7 °C and it receives 2,674 mm of precipitation per year.

What is the hottest day ever recorded in Ruteng?

The hottest day measured in Ruteng between 1940 and 2025 was 30 October 1987, reaching 34.2 °C.

What is the coldest day in Ruteng?

The coldest day measured in Ruteng between 1940 and 2025 was 30 July 1967, at 12.1 °C.

Does it snow in Ruteng?

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

Has the climate of Ruteng warmed?

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

What is the wettest day in Ruteng?

The wettest day measured in Ruteng between 1940 and 2025 was 22 February 2022, with 138 mm of rain in 24 hours.

What was the windiest day in Ruteng?

The windiest day measured in Ruteng between 1940 and 2025 was 24 January 1993, with winds reaching 25.2 km/h.

What is the warmest month in Ruteng?

The warmest month in Ruteng is October (23.9 °C on average); the coldest is July (21.6 °C).

How much does it rain in Ruteng?

Ruteng receives on average 2,674 mm of precipitation per year, spread over about 227 rainy days.

Is it sunny in Ruteng?

Ruteng gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.

Are there tropical nights in Ruteng?

Yes: Ruteng has on average 125 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ruteng?

In Ruteng, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 8 December 2002, and the lowest was 11.6 °C on 19 July 1991.

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