Sorong climate — normals and trends
Sorong (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.5 °C and it receives 3,562 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 (25.8 °C on average) and the coldest is July (25.1 °C). Rainfall peaks in April.
Sorong averages 0 frost days, 91 hot days (≥ 30 °C) and 321 rainy days per year.
Sorong has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.4 °C (on 23 October 2002) and the coldest 21.1 °C (on 4 October 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
SorongSouthwest Papua
- coords
- -0.88°, 131.26°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.5°C
Average daily high
29.2°C
Average daily low
23.4°C
Annual rainfall
3,562mm
Sunshine / day
9.1h
Mean relative humidity
90%
Average peak wind
9.4km/h
Seasonal range
0.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
91 d/yr
Rainy days (≥ 1 mm)
321 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.5 °C
Average feels-like low
28.0 °C
Average peak gust
25.7 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.68 · 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
35.4 °C
23 October 2002
Coldest day
21.1 °C
4 October 1948
Wettest day
236 mm
10 February 1952
Windiest day
27.6 km/h
31 July 2009
Strongest gust
60.1 km/h
31 July 2009
Hottest feels-like
41.6 °C
5 March 2020
Coldest feels-like
23.1 °C
23 July 1965
Sunniest day
12.0 h
8 February 1978
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 | 30.3 °C | +1.3 °C | 521 mm | +228 mm |
| Feb | 30.7 °C | +1.7 °C | 236 mm | -30 mm |
| Mar | 30.5 °C | +1.2 °C | 399 mm | +73 mm |
| Apr | 29.9 °C | +0.5 °C | 427 mm | +81 mm |
| May | 30.1 °C | +0.7 °C | 563 mm | +224 mm |
| Jun | 29.6 °C | +0.6 °C | 407 mm | +103 mm |
| Jul | 29.5 °C | +0.8 °C | 389 mm | +125 mm |
| Aug | 28.9 °C | 0.0 °C | 704 mm | +449 mm |
| Sep | 29.5 °C | +0.2 °C | 615 mm | +343 mm |
| Oct | 29.8 °C | +0.1 °C | 501 mm | +228 mm |
| Nov | 30.2 °C | +0.6 °C | 372 mm | +82 mm |
| Dec | 29.9 °C | +0.7 °C | 562 mm | +228 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 Sorong?
Sorong has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 3,562 mm of precipitation per year.
What is the hottest day ever recorded in Sorong?
The hottest day measured in Sorong between 1940 and 2025 was 23 October 2002, reaching 35.4 °C.
What is the coldest day in Sorong?
The coldest day measured in Sorong between 1940 and 2025 was 4 October 1948, at 21.1 °C.
Does it snow in Sorong?
Almost never: Sorong sees virtually no snow, with about 0 frost days per year.
Has the climate of Sorong warmed?
Yes: Sorong warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sorong?
The wettest day measured in Sorong between 1940 and 2025 was 10 February 1952, with 236 mm of rain in 24 hours.
What was the windiest day in Sorong?
The windiest day measured in Sorong between 1940 and 2025 was 31 July 2009, with winds reaching 27.6 km/h.
What is the warmest month in Sorong?
The warmest month in Sorong is November (25.8 °C on average); the coldest is July (25.1 °C).
How much does it rain in Sorong?
Sorong receives on average 3,562 mm of precipitation per year, spread over about 321 rainy days.
Is it sunny in Sorong?
Sorong gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
Are there tropical nights in Sorong?
Yes: Sorong has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sorong?
In Sorong, between 1940 and 2025, the highest apparent temperature reached 41.6 °C on 5 March 2020, and the lowest was 23.1 °C on 23 July 1965.
Compare Sorong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sorong