Pekan climate — normals and trends
Pekan (Malaysia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.7 °C and it receives 2,334 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 (27.6 °C on average) and the coldest is January (25.7 °C). Rainfall peaks in December.
Pekan averages 0 frost days, 3 hot days (≥ 30 °C) and 273 rainy days per year.
Pekan has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.6 °C (on 6 May 2019) and the coldest 22.9 °C (on 24 January 1940).
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
PekanPahang
- coords
- 3.48°, 103.40°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.7°C
Average daily high
27.7°C
Average daily low
25.8°C
Annual rainfall
2,334mm
Sunshine / day
10.5h
Mean relative humidity
83%
Average peak wind
21.2km/h
Seasonal range
1.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
273 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.3 °C
Average feels-like low
29.2 °C
Average peak gust
30.1 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.62 · 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
31.6 °C
6 May 2019
Coldest day
22.9 °C
24 January 1940
Wettest day
263 mm
21 December 1993
Windiest day
50.4 km/h
12 January 2025
Strongest gust
69.5 km/h
27 February 2023
Hottest feels-like
38.9 °C
25 April 2024
Coldest feels-like
22.3 °C
17 January 1951
Sunniest day
12.0 h
18 April 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 | 27.0 °C | +0.7 °C | 391 mm | +98 mm |
| Feb | 26.7 °C | +0.1 °C | 150 mm | -11 mm |
| Mar | 27.6 °C | +0.3 °C | 244 mm | +79 mm |
| Apr | 28.5 °C | +0.2 °C | 237 mm | +93 mm |
| May | 29.3 °C | +0.6 °C | 211 mm | +72 mm |
| Jun | 29.1 °C | +0.5 °C | 80 mm | -15 mm |
| Jul | 29.3 °C | +1.1 °C | 45 mm | -51 mm |
| Aug | 28.6 °C | +0.6 °C | 114 mm | +10 mm |
| Sep | 28.7 °C | +0.7 °C | 120 mm | +4 mm |
| Oct | 28.9 °C | +1.0 °C | 158 mm | -32 mm |
| Nov | 28.1 °C | +0.8 °C | 534 mm | +177 mm |
| Dec | 27.2 °C | +0.6 °C | 476 mm | -1 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 Pekan?
Pekan has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.7 °C and it receives 2,334 mm of precipitation per year.
What is the hottest day ever recorded in Pekan?
The hottest day measured in Pekan between 1940 and 2025 was 6 May 2019, reaching 31.6 °C.
What is the coldest day in Pekan?
The coldest day measured in Pekan between 1940 and 2025 was 24 January 1940, at 22.9 °C.
Does it snow in Pekan?
Almost never: Pekan sees virtually no snow, with about 0 frost days per year.
Has the climate of Pekan warmed?
Yes: Pekan warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pekan?
The wettest day measured in Pekan between 1940 and 2025 was 21 December 1993, with 263 mm of rain in 24 hours.
What was the windiest day in Pekan?
The windiest day measured in Pekan between 1940 and 2025 was 12 January 2025, with winds reaching 50.4 km/h.
What is the warmest month in Pekan?
The warmest month in Pekan is May (27.6 °C on average); the coldest is January (25.7 °C).
How much does it rain in Pekan?
Pekan receives on average 2,334 mm of precipitation per year, spread over about 273 rainy days.
Is it sunny in Pekan?
Pekan gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Pekan?
Yes: Pekan has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pekan?
In Pekan, between 1940 and 2025, the highest apparent temperature reached 38.9 °C on 25 April 2024, and the lowest was 22.3 °C on 17 January 1951.
Compare Pekan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pekan