Sepang climate — normals and trends
Sepang (Malaysia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.5 °C and it receives 2,167 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 (27.1 °C on average) and the coldest is December (25.8 °C). Rainfall peaks in November.
Sepang averages 0 frost days, 179 hot days (≥ 30 °C) and 289 rainy days per year.
Sepang has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.1 °C (on 10 April 1963) and the coldest 19.6 °C (on 4 January 1943).
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
SepangSelangor
- coords
- 2.69°, 101.75°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.5°C
Average daily high
29.9°C
Average daily low
23.9°C
Annual rainfall
2,167mm
Sunshine / day
10.3h
Mean relative humidity
84%
Average peak wind
10.9km/h
Seasonal range
1.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
179 d/yr
Rainy days (≥ 1 mm)
289 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.9 °C
Average feels-like low
28.4 °C
Average peak gust
25.5 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.85 · 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
35.1 °C
10 April 1963
Coldest day
19.6 °C
4 January 1943
Wettest day
176 mm
26 December 2014
Windiest day
29.7 km/h
3 January 2019
Strongest gust
54.4 km/h
17 September 1943
Hottest feels-like
42.1 °C
19 April 2016
Coldest feels-like
21.1 °C
9 January 1943
Sunniest day
12.0 h
2 October 1941
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 | 29.8 °C | +0.2 °C | 236 mm | +92 mm |
| Feb | 31.0 °C | +0.7 °C | 113 mm | -12 mm |
| Mar | 30.7 °C | +0.1 °C | 142 mm | -28 mm |
| Apr | 30.9 °C | +0.5 °C | 342 mm | +138 mm |
| May | 31.2 °C | +0.8 °C | 122 mm | -63 mm |
| Jun | 31.4 °C | +1.2 °C | 79 mm | -48 mm |
| Jul | 31.7 °C | +1.9 °C | 49 mm | -92 mm |
| Aug | 30.8 °C | +1.1 °C | 136 mm | -26 mm |
| Sep | 30.1 °C | +0.6 °C | 137 mm | -53 mm |
| Oct | 30.6 °C | +1.0 °C | 171 mm | -51 mm |
| Nov | 30.1 °C | +0.8 °C | 387 mm | +114 mm |
| Dec | 29.8 °C | +0.6 °C | 330 mm | +104 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 Sepang?
Sepang has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.5 °C and it receives 2,167 mm of precipitation per year.
What is the hottest day ever recorded in Sepang?
The hottest day measured in Sepang between 1940 and 2025 was 10 April 1963, reaching 35.1 °C.
What is the coldest day in Sepang?
The coldest day measured in Sepang between 1940 and 2025 was 4 January 1943, at 19.6 °C.
Does it snow in Sepang?
Almost never: Sepang sees virtually no snow, with about 0 frost days per year.
Has the climate of Sepang warmed?
Yes: Sepang warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sepang?
The wettest day measured in Sepang between 1940 and 2025 was 26 December 2014, with 176 mm of rain in 24 hours.
What was the windiest day in Sepang?
The windiest day measured in Sepang between 1940 and 2025 was 3 January 2019, with winds reaching 29.7 km/h.
What is the warmest month in Sepang?
The warmest month in Sepang is May (27.1 °C on average); the coldest is December (25.8 °C).
How much does it rain in Sepang?
Sepang receives on average 2,167 mm of precipitation per year, spread over about 289 rainy days.
Is it sunny in Sepang?
Sepang gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Sepang?
Yes: Sepang has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sepang?
In Sepang, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 19 April 2016, and the lowest was 21.1 °C on 9 January 1943.
Compare Sepang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sepang