Tanjung Selor climate — normals and trends
Tanjung Selor (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.4 °C and it receives 3,160 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 (25.7 °C on average) and the coldest is January (24.9 °C). Rainfall peaks in November.
Tanjung Selor averages 0 frost days, 201 hot days (≥ 30 °C) and 335 rainy days per year.
Tanjung Selor has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.4 °C (on 18 December 2021) and the coldest 18.3 °C (on 30 January 1993).
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
Tanjung SelorNorth Kalimantan
- coords
- 2.84°, 117.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.4°C
Average daily high
30.1°C
Average daily low
22.4°C
Annual rainfall
3,160mm
Sunshine / day
9.8h
Mean relative humidity
89%
Average peak wind
7.3km/h
Seasonal range
0.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
201 d/yr
Rainy days (≥ 1 mm)
335 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.5 °C
Average feels-like low
26.9 °C
Average peak gust
23.2 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
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.91 · 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
18 December 2021
Coldest day
18.3 °C
30 January 1993
Wettest day
109 mm
5 May 1966
Windiest day
20.3 km/h
29 July 1967
Strongest gust
49.3 km/h
21 November 2007
Hottest feels-like
44.2 °C
14 November 2019
Coldest feels-like
20.7 °C
30 January 1993
Sunniest day
12.0 h
28 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 | 30.4 °C | +1.2 °C | 601 mm | +344 mm |
| Feb | 30.7 °C | +1.2 °C | 324 mm | +108 mm |
| Mar | 30.5 °C | +0.6 °C | 389 mm | +136 mm |
| Apr | 31.1 °C | +0.8 °C | 316 mm | +47 mm |
| May | 31.7 °C | +1.3 °C | 434 mm | +140 mm |
| Jun | 31.1 °C | +0.8 °C | 234 mm | -12 mm |
| Jul | 32.3 °C | +2.0 °C | 138 mm | -81 mm |
| Aug | 31.0 °C | +0.5 °C | 258 mm | +28 mm |
| Sep | 31.8 °C | +1.2 °C | 306 mm | +40 mm |
| Oct | 31.4 °C | +1.0 °C | 300 mm | +4 mm |
| Nov | 31.8 °C | +1.8 °C | 387 mm | +80 mm |
| Dec | 31.2 °C | +1.5 °C | 376 mm | +70 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 Tanjung Selor?
Tanjung Selor has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.4 °C and it receives 3,160 mm of precipitation per year.
What is the hottest day ever recorded in Tanjung Selor?
The hottest day measured in Tanjung Selor between 1940 and 2025 was 18 December 2021, reaching 35.4 °C.
What is the coldest day in Tanjung Selor?
The coldest day measured in Tanjung Selor between 1940 and 2025 was 30 January 1993, at 18.3 °C.
Does it snow in Tanjung Selor?
Almost never: Tanjung Selor sees virtually no snow, with about 0 frost days per year.
Has the climate of Tanjung Selor warmed?
Yes: Tanjung Selor warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tanjung Selor?
The wettest day measured in Tanjung Selor between 1940 and 2025 was 5 May 1966, with 109 mm of rain in 24 hours.
What was the windiest day in Tanjung Selor?
The windiest day measured in Tanjung Selor between 1940 and 2025 was 29 July 1967, with winds reaching 20.3 km/h.
What is the warmest month in Tanjung Selor?
The warmest month in Tanjung Selor is May (25.7 °C on average); the coldest is January (24.9 °C).
How much does it rain in Tanjung Selor?
Tanjung Selor receives on average 3,160 mm of precipitation per year, spread over about 335 rainy days.
Is it sunny in Tanjung Selor?
Tanjung Selor gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
Are there tropical nights in Tanjung Selor?
Yes: Tanjung Selor has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tanjung Selor?
In Tanjung Selor, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 14 November 2019, and the lowest was 20.7 °C on 30 January 1993.
Compare Tanjung Selor with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tanjung Selor