Rantepao climate — normals and trends
Rantepao (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 22.5 °C and it receives 3,473 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 (23.2 °C on average) and the coldest is July (21.6 °C). Rainfall peaks in March.
Rantepao averages 0 frost days, 8 hot days (≥ 30 °C) and 278 rainy days per year.
Rantepao has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.5 °C (on 28 October 2023) and the coldest 13.0 °C (on 16 August 1977).
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
RantepaoSouth Sulawesi
- coords
- -2.97°, 119.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.5°C
Average daily high
26.8°C
Average daily low
19.2°C
Annual rainfall
3,473mm
Sunshine / day
9.9h
Mean relative humidity
85%
Average peak wind
6.0km/h
Seasonal range
1.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
278 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.5 °C
Average feels-like low
21.7 °C
Average peak gust
24.7 km/h
Tropical nights (≥ 20 °C)
91 d/yr
Solar radiation
18.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.86 · 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
33.5 °C
28 October 2023
Coldest day
13.0 °C
16 August 1977
Wettest day
324 mm
18 March 1969
Windiest day
12.4 km/h
17 October 2015
Strongest gust
59.0 km/h
7 December 2021
Hottest feels-like
39.9 °C
7 February 2017
Coldest feels-like
12.4 °C
20 August 1984
Sunniest day
12.0 h
6 September 1940
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?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 28.6 °C | +1.6 °C | 610 mm | +158 mm |
| Feb | 29.0 °C | +1.9 °C | 435 mm | -60 mm |
| Mar | 28.7 °C | +1.6 °C | 537 mm | +29 mm |
| Apr | 28.4 °C | +1.6 °C | 744 mm | +321 mm |
| May | 28.4 °C | +1.8 °C | 492 mm | +242 mm |
| Jun | 26.8 °C | +0.8 °C | 295 mm | +103 mm |
| Jul | 27.6 °C | +1.9 °C | 283 mm | +140 mm |
| Aug | 27.8 °C | +1.8 °C | 111 mm | -8 mm |
| Sep | 29.1 °C | +2.2 °C | 86 mm | -7 mm |
| Oct | 30.1 °C | +2.2 °C | 292 mm | +170 mm |
| Nov | 28.7 °C | +0.9 °C | 591 mm | +366 mm |
| Dec | 28.2 °C | +1.1 °C | 785 mm | +335 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 Rantepao?
Rantepao has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 22.5 °C and it receives 3,473 mm of precipitation per year.
What is the hottest day ever recorded in Rantepao?
The hottest day measured in Rantepao between 1940 and 2025 was 28 October 2023, reaching 33.5 °C.
What is the coldest day in Rantepao?
The coldest day measured in Rantepao between 1940 and 2025 was 16 August 1977, at 13.0 °C.
Does it snow in Rantepao?
Almost never: Rantepao sees virtually no snow, with about 0 frost days per year.
Has the climate of Rantepao warmed?
Yes: Rantepao warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rantepao?
The wettest day measured in Rantepao between 1940 and 2025 was 18 March 1969, with 324 mm of rain in 24 hours.
What was the windiest day in Rantepao?
The windiest day measured in Rantepao between 1940 and 2025 was 17 October 2015, with winds reaching 12.4 km/h.
What is the warmest month in Rantepao?
The warmest month in Rantepao is November (23.2 °C on average); the coldest is July (21.6 °C).
How much does it rain in Rantepao?
Rantepao receives on average 3,473 mm of precipitation per year, spread over about 278 rainy days.
Is it sunny in Rantepao?
Rantepao gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Rantepao?
Yes: Rantepao has on average 91 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rantepao?
In Rantepao, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 7 February 2017, and the lowest was 12.4 °C on 20 August 1984.
Compare Rantepao with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rantepao