Sungai Raya climate — normals and trends
Sungai Raya (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 2,791 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 (26.7 °C on average) and the coldest is January (25.4 °C). Rainfall peaks in November.
Sungai Raya averages 0 frost days, 72 hot days (≥ 30 °C) and 284 rainy days per year.
Sungai Raya 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 32.8 °C (on 29 July 2025) and the coldest 19.6 °C (on 16 February 1949).
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
Sungai RayaWest Kalimantan
- coords
- 0.70°, 108.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
28.9°C
Average daily low
24.2°C
Annual rainfall
2,791mm
Sunshine / day
9.5h
Mean relative humidity
86%
Average peak wind
13.4km/h
Seasonal range
1.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
72 d/yr
Rainy days (≥ 1 mm)
284 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.9 °C
Average feels-like low
28.4 °C
Average peak gust
25.8 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
18.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.83 · 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
32.8 °C
29 July 2025
Coldest day
19.6 °C
16 February 1949
Wettest day
201 mm
4 June 1991
Windiest day
35.4 km/h
6 January 1990
Strongest gust
61.2 km/h
6 January 1990
Hottest feels-like
40.9 °C
28 May 1998
Coldest feels-like
20.7 °C
16 February 1949
Sunniest day
12.0 h
2 February 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 | 28.2 °C | +0.1 °C | 444 mm | +196 mm |
| Feb | 28.8 °C | +0.4 °C | 158 mm | -11 mm |
| Mar | 29.1 °C | +0.2 °C | 259 mm | +75 mm |
| Apr | 29.6 °C | +0.4 °C | 219 mm | +6 mm |
| May | 30.8 °C | +1.3 °C | 116 mm | -101 mm |
| Jun | 30.4 °C | +0.9 °C | 111 mm | -62 mm |
| Jul | 31.2 °C | +1.8 °C | 57 mm | -101 mm |
| Aug | 29.6 °C | +0.2 °C | 141 mm | -33 mm |
| Sep | 29.6 °C | +0.6 °C | 296 mm | +70 mm |
| Oct | 29.8 °C | +1.1 °C | 283 mm | -26 mm |
| Nov | 29.3 °C | +1.0 °C | 307 mm | -64 mm |
| Dec | 28.8 °C | +0.7 °C | 348 mm | -2 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 Sungai Raya?
Sungai Raya has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 2,791 mm of precipitation per year.
What is the hottest day ever recorded in Sungai Raya?
The hottest day measured in Sungai Raya between 1940 and 2025 was 29 July 2025, reaching 32.8 °C.
What is the coldest day in Sungai Raya?
The coldest day measured in Sungai Raya between 1940 and 2025 was 16 February 1949, at 19.6 °C.
Does it snow in Sungai Raya?
Almost never: Sungai Raya sees virtually no snow, with about 0 frost days per year.
Has the climate of Sungai Raya warmed?
Yes: Sungai Raya warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sungai Raya?
The wettest day measured in Sungai Raya between 1940 and 2025 was 4 June 1991, with 201 mm of rain in 24 hours.
What was the windiest day in Sungai Raya?
The windiest day measured in Sungai Raya between 1940 and 2025 was 6 January 1990, with winds reaching 35.4 km/h.
What is the warmest month in Sungai Raya?
The warmest month in Sungai Raya is May (26.7 °C on average); the coldest is January (25.4 °C).
How much does it rain in Sungai Raya?
Sungai Raya receives on average 2,791 mm of precipitation per year, spread over about 284 rainy days.
Is it sunny in Sungai Raya?
Sungai Raya gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
Are there tropical nights in Sungai Raya?
Yes: Sungai Raya has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sungai Raya?
In Sungai Raya, between 1940 and 2025, the highest apparent temperature reached 40.9 °C on 28 May 1998, and the lowest was 20.7 °C on 16 February 1949.
Compare Sungai Raya with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sungai Raya