Ransiki climate — normals and trends
Ransiki (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.4 °C and it receives 4,537 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 (25.7 °C on average) and the coldest is January (25.2 °C). Rainfall peaks in March.
Ransiki averages 0 frost days, 10 hot days (≥ 30 °C) and 335 rainy days per year.
Ransiki has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.3 °C (on 14 October 2015) and the coldest 21.1 °C (on 30 November 1948).
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
RansikiWest Papua
- coords
- -1.51°, 134.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.4°C
Average daily high
27.7°C
Average daily low
23.7°C
Annual rainfall
4,537mm
Sunshine / day
10.3h
Mean relative humidity
85%
Average peak wind
9.1km/h
Seasonal range
0.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
10 d/yr
Rainy days (≥ 1 mm)
335 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.6 °C
Average feels-like low
27.8 °C
Average peak gust
25.5 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.84 · p = < 0.001
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
33.3 °C
14 October 2015
Coldest day
21.1 °C
30 November 1948
Wettest day
244 mm
26 November 1974
Windiest day
27.0 km/h
25 June 2004
Strongest gust
55.1 km/h
25 June 2004
Hottest feels-like
39.2 °C
15 October 2016
Coldest feels-like
22.2 °C
23 July 1965
Sunniest day
12.0 h
23 April 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 28.7 °C | +1.3 °C | 290 mm | -249 mm |
| Feb | 28.5 °C | +1.1 °C | 461 mm | -45 mm |
| Mar | 28.4 °C | +0.9 °C | 254 mm | -382 mm |
| Apr | 27.9 °C | +0.3 °C | 572 mm | -3 mm |
| May | 28.0 °C | +0.2 °C | 479 mm | +162 mm |
| Jun | 27.9 °C | +0.4 °C | 240 mm | +20 mm |
| Jul | 27.7 °C | +0.2 °C | 272 mm | +80 mm |
| Aug | 27.4 °C | -0.3 °C | 332 mm | +147 mm |
| Sep | 27.8 °C | -0.1 °C | 219 mm | +28 mm |
| Oct | 28.2 °C | +0.1 °C | 177 mm | -52 mm |
| Nov | 28.4 °C | +0.3 °C | 571 mm | +208 mm |
| Dec | 28.2 °C | +0.6 °C | 632 mm | +47 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Ransiki?
Ransiki has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.4 °C and it receives 4,537 mm of precipitation per year.
What is the hottest day ever recorded in Ransiki?
The hottest day measured in Ransiki between 1940 and 2025 was 14 October 2015, reaching 33.3 °C.
What is the coldest day in Ransiki?
The coldest day measured in Ransiki between 1940 and 2025 was 30 November 1948, at 21.1 °C.
Does it snow in Ransiki?
Almost never: Ransiki sees virtually no snow, with about 0 frost days per year.
Has the climate of Ransiki warmed?
Yes: Ransiki warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ransiki?
The wettest day measured in Ransiki between 1940 and 2025 was 26 November 1974, with 244 mm of rain in 24 hours.
What was the windiest day in Ransiki?
The windiest day measured in Ransiki between 1940 and 2025 was 25 June 2004, with winds reaching 27.0 km/h.
What is the warmest month in Ransiki?
The warmest month in Ransiki is October (25.7 °C on average); the coldest is January (25.2 °C).
How much does it rain in Ransiki?
Ransiki receives on average 4,537 mm of precipitation per year, spread over about 335 rainy days.
Is it sunny in Ransiki?
Ransiki gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Ransiki?
Yes: Ransiki has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ransiki?
In Ransiki, between 1940 and 2025, the highest apparent temperature reached 39.2 °C on 15 October 2016, and the lowest was 22.2 °C on 23 July 1965.
Compare Ransiki with another city
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Nearby cities
The climate around Ransiki