Indralaya climate — normals and trends
Indralaya (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.5 °C and it receives 2,134 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 (27.2 °C on average) and the coldest is January (25.8 °C). Rainfall peaks in December.
Indralaya averages 0 frost days, 281 hot days (≥ 30 °C) and 276 rainy days per year.
Indralaya has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.8 °C (on 28 October 1994) and the coldest 18.7 °C (on 28 May 1946).
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
IndralayaSouth Sumatra
- coords
- -3.25°, 104.68°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.5°C
Average daily high
31.2°C
Average daily low
23.3°C
Annual rainfall
2,134mm
Sunshine / day
9.6h
Mean relative humidity
85%
Average peak wind
9.9km/h
Seasonal range
1.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
281 d/yr
Rainy days (≥ 1 mm)
276 d/yr
Annual snowfall
0.0 cm
Average feels-like high
37.0 °C
Average feels-like low
27.9 °C
Average peak gust
26.2 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
17.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.63 · 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
37.8 °C
28 October 1994
Coldest day
18.7 °C
28 May 1946
Wettest day
177 mm
20 December 2007
Windiest day
22.6 km/h
10 January 1986
Strongest gust
55.4 km/h
24 December 1993
Hottest feels-like
43.8 °C
22 November 1958
Coldest feels-like
20.8 °C
28 May 1946
Sunniest day
12.0 h
9 September 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 | 29.9 °C | -0.2 °C | 240 mm | +26 mm |
| Feb | 30.9 °C | +0.4 °C | 385 mm | +167 mm |
| Mar | 31.3 °C | +0.3 °C | 303 mm | +40 mm |
| Apr | 31.6 °C | +0.4 °C | 325 mm | +84 mm |
| May | 32.7 °C | +1.5 °C | 151 mm | -18 mm |
| Jun | 31.9 °C | +0.9 °C | 70 mm | -36 mm |
| Jul | 32.9 °C | +2.0 °C | 55 mm | -41 mm |
| Aug | 32.4 °C | +0.7 °C | 170 mm | +89 mm |
| Sep | 31.9 °C | -0.4 °C | 172 mm | +80 mm |
| Oct | 32.6 °C | +0.1 °C | 138 mm | -15 mm |
| Nov | 32.9 °C | +1.6 °C | 159 mm | -74 mm |
| Dec | 31.3 °C | +1.0 °C | 260 mm | -6 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 Indralaya?
Indralaya has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.5 °C and it receives 2,134 mm of precipitation per year.
What is the hottest day ever recorded in Indralaya?
The hottest day measured in Indralaya between 1940 and 2025 was 28 October 1994, reaching 37.8 °C.
What is the coldest day in Indralaya?
The coldest day measured in Indralaya between 1940 and 2025 was 28 May 1946, at 18.7 °C.
Does it snow in Indralaya?
Almost never: Indralaya sees virtually no snow, with about 0 frost days per year.
Has the climate of Indralaya warmed?
Yes: Indralaya warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Indralaya?
The wettest day measured in Indralaya between 1940 and 2025 was 20 December 2007, with 177 mm of rain in 24 hours.
What was the windiest day in Indralaya?
The windiest day measured in Indralaya between 1940 and 2025 was 10 January 1986, with winds reaching 22.6 km/h.
What is the warmest month in Indralaya?
The warmest month in Indralaya is October (27.2 °C on average); the coldest is January (25.8 °C).
How much does it rain in Indralaya?
Indralaya receives on average 2,134 mm of precipitation per year, spread over about 276 rainy days.
Is it sunny in Indralaya?
Indralaya gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
Are there tropical nights in Indralaya?
Yes: Indralaya has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Indralaya?
In Indralaya, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 22 November 1958, and the lowest was 20.8 °C on 28 May 1946.
Compare Indralaya with another city
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Nearby cities
The climate around Indralaya