Pagar Alam climate — normals and trends
Pagar Alam (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 21.3 °C and it receives 2,951 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 May (21.7 °C on average) and the coldest is January (20.8 °C). Rainfall peaks in November.
Pagar Alam averages 0 frost days, 1 hot days (≥ 30 °C) and 303 rainy days per year.
Pagar Alam 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 31.8 °C (on 18 October 2023) and the coldest 13.1 °C (on 16 July 1953).
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
Pagar AlamSouth Sumatra
- coords
- -4.03°, 103.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
21.3°C
Average daily high
25.7°C
Average daily low
18.2°C
Annual rainfall
2,951mm
Sunshine / day
10.0h
Mean relative humidity
87%
Average peak wind
6.4km/h
Seasonal range
0.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
303 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.8 °C
Average feels-like low
20.6 °C
Average peak gust
27.6 km/h
Tropical nights (≥ 20 °C)
13 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.83 · 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
31.8 °C
18 October 2023
Coldest day
13.1 °C
16 July 1953
Wettest day
183 mm
17 April 2008
Windiest day
17.4 km/h
31 December 1949
Strongest gust
77.0 km/h
23 March 1988
Hottest feels-like
36.8 °C
8 April 2024
Coldest feels-like
12.7 °C
14 October 1972
Sunniest day
12.0 h
21 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 | 25.4 °C | +0.7 °C | 259 mm | -13 mm |
| Feb | 25.8 °C | +0.7 °C | 209 mm | -36 mm |
| Mar | 26.4 °C | +0.8 °C | 349 mm | +72 mm |
| Apr | 26.3 °C | +0.4 °C | 353 mm | +56 mm |
| May | 27.3 °C | +1.2 °C | 145 mm | -76 mm |
| Jun | 26.6 °C | +0.7 °C | 109 mm | -40 mm |
| Jul | 26.9 °C | +1.1 °C | 115 mm | -44 mm |
| Aug | 26.2 °C | +0.2 °C | 320 mm | +145 mm |
| Sep | 26.1 °C | 0.0 °C | 341 mm | +128 mm |
| Oct | 26.8 °C | +0.6 °C | 222 mm | -72 mm |
| Nov | 27.0 °C | +1.5 °C | 183 mm | -157 mm |
| Dec | 25.7 °C | +0.7 °C | 349 mm | +38 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 Pagar Alam?
Pagar Alam has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 21.3 °C and it receives 2,951 mm of precipitation per year.
What is the hottest day ever recorded in Pagar Alam?
The hottest day measured in Pagar Alam between 1940 and 2025 was 18 October 2023, reaching 31.8 °C.
What is the coldest day in Pagar Alam?
The coldest day measured in Pagar Alam between 1940 and 2025 was 16 July 1953, at 13.1 °C.
Does it snow in Pagar Alam?
Almost never: Pagar Alam sees virtually no snow, with about 0 frost days per year.
Has the climate of Pagar Alam warmed?
Yes: Pagar Alam warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pagar Alam?
The wettest day measured in Pagar Alam between 1940 and 2025 was 17 April 2008, with 183 mm of rain in 24 hours.
What was the windiest day in Pagar Alam?
The windiest day measured in Pagar Alam between 1940 and 2025 was 31 December 1949, with winds reaching 17.4 km/h.
What is the warmest month in Pagar Alam?
The warmest month in Pagar Alam is May (21.7 °C on average); the coldest is January (20.8 °C).
How much does it rain in Pagar Alam?
Pagar Alam receives on average 2,951 mm of precipitation per year, spread over about 303 rainy days.
Is it sunny in Pagar Alam?
Pagar Alam gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Pagar Alam?
Yes: Pagar Alam has on average 13 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pagar Alam?
In Pagar Alam, between 1940 and 2025, the highest apparent temperature reached 36.8 °C on 8 April 2024, and the lowest was 12.7 °C on 14 October 1972.
Compare Pagar Alam with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pagar Alam