Raha climate — normals and trends
Raha (Indonesia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.3 °C and it receives 1,820 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 (27.2 °C on average) and the coldest is July (25.2 °C). Rainfall peaks in March.
Raha averages 0 frost days, 122 hot days (≥ 30 °C) and 255 rainy days per year.
Raha has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.2 °C (on 12 November 2004) and the coldest 20.3 °C (on 20 October 1982).
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
RahaSoutheast Sulawesi
- coords
- -4.84°, 122.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.3°C
Average daily high
29.3°C
Average daily low
24.1°C
Annual rainfall
1,820mm
Sunshine / day
10.7h
Mean relative humidity
83%
Average peak wind
11.0km/h
Seasonal range
2.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
122 d/yr
Rainy days (≥ 1 mm)
255 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.0 °C
Average feels-like low
28.5 °C
Average peak gust
28.7 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °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
35.2 °C
12 November 2004
Coldest day
20.3 °C
20 October 1982
Wettest day
108 mm
24 March 1994
Windiest day
31.5 km/h
18 March 2004
Strongest gust
74.5 km/h
8 February 2004
Hottest feels-like
42.2 °C
16 November 2023
Coldest feels-like
22.5 °C
25 June 1983
Sunniest day
12.2 h
16 November 1958
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 | 30.7 °C | +1.2 °C | 255 mm | +53 mm |
| Feb | 30.9 °C | +1.4 °C | 193 mm | -15 mm |
| Mar | 30.6 °C | +1.1 °C | 246 mm | +20 mm |
| Apr | 30.3 °C | +1.0 °C | 253 mm | +53 mm |
| May | 29.8 °C | +1.0 °C | 315 mm | +123 mm |
| Jun | 28.1 °C | 0.0 °C | 539 mm | +375 mm |
| Jul | 29.0 °C | +1.1 °C | 160 mm | +55 mm |
| Aug | 29.4 °C | +0.9 °C | 104 mm | +41 mm |
| Sep | 30.5 °C | +0.9 °C | 66 mm | +12 mm |
| Oct | 31.4 °C | +0.7 °C | 103 mm | +31 mm |
| Nov | 31.3 °C | +0.5 °C | 166 mm | +36 mm |
| Dec | 30.2 °C | +0.5 °C | 227 mm | +22 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 Raha?
Raha has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 1,820 mm of precipitation per year.
What is the hottest day ever recorded in Raha?
The hottest day measured in Raha between 1940 and 2025 was 12 November 2004, reaching 35.2 °C.
What is the coldest day in Raha?
The coldest day measured in Raha between 1940 and 2025 was 20 October 1982, at 20.3 °C.
Does it snow in Raha?
Almost never: Raha sees virtually no snow, with about 0 frost days per year.
Has the climate of Raha warmed?
Yes: Raha warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Raha?
The wettest day measured in Raha between 1940 and 2025 was 24 March 1994, with 108 mm of rain in 24 hours.
What was the windiest day in Raha?
The windiest day measured in Raha between 1940 and 2025 was 18 March 2004, with winds reaching 31.5 km/h.
What is the warmest month in Raha?
The warmest month in Raha is November (27.2 °C on average); the coldest is July (25.2 °C).
How much does it rain in Raha?
Raha receives on average 1,820 mm of precipitation per year, spread over about 255 rainy days.
Is it sunny in Raha?
Raha gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Raha?
Yes: Raha has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Raha?
In Raha, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 16 November 2023, and the lowest was 22.5 °C on 25 June 1983.
Compare Raha with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Raha