Kulai climate — normals and trends
Kulai (Malaysia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 2,387 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 (26.6 °C on average) and the coldest is January (25.1 °C). Rainfall peaks in November.
Kulai averages 0 frost days, 189 hot days (≥ 30 °C) and 301 rainy days per year.
Kulai has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.7 °C (on 23 April 1983) and the coldest 18.2 °C (on 27 February 1958).
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
KulaiJohor
- coords
- 1.66°, 103.60°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.9°C
Average daily high
30.0°C
Average daily low
23.1°C
Annual rainfall
2,387mm
Sunshine / day
9.9h
Mean relative humidity
87%
Average peak wind
11.9km/h
Seasonal range
1.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
189 d/yr
Rainy days (≥ 1 mm)
301 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.0 °C
Average feels-like low
27.5 °C
Average peak gust
27.3 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
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.86 · 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
35.7 °C
23 April 1983
Coldest day
18.2 °C
27 February 1958
Wettest day
297 mm
8 February 1984
Windiest day
30.1 km/h
16 January 1951
Strongest gust
60.1 km/h
25 October 1962
Hottest feels-like
43.8 °C
4 May 2016
Coldest feels-like
19.7 °C
27 February 1958
Sunniest day
12.0 h
2 May 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 28.9 °C | -0.1 °C | 357 mm | +181 mm |
| Feb | 30.4 °C | +0.5 °C | 136 mm | -6 mm |
| Mar | 30.5 °C | -0.1 °C | 403 mm | +205 mm |
| Apr | 31.3 °C | +0.5 °C | 309 mm | +96 mm |
| May | 31.6 °C | +1.0 °C | 201 mm | -0 mm |
| Jun | 31.3 °C | +1.0 °C | 145 mm | -9 mm |
| Jul | 30.9 °C | +1.0 °C | 86 mm | -69 mm |
| Aug | 30.7 °C | +0.9 °C | 190 mm | +15 mm |
| Sep | 30.3 °C | +0.4 °C | 148 mm | -49 mm |
| Oct | 31.7 °C | +1.6 °C | 156 mm | -91 mm |
| Nov | 30.8 °C | +1.1 °C | 274 mm | -2 mm |
| Dec | 29.8 °C | +0.8 °C | 308 mm | +54 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 Kulai?
Kulai has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 2,387 mm of precipitation per year.
What is the hottest day ever recorded in Kulai?
The hottest day measured in Kulai between 1940 and 2025 was 23 April 1983, reaching 35.7 °C.
What is the coldest day in Kulai?
The coldest day measured in Kulai between 1940 and 2025 was 27 February 1958, at 18.2 °C.
Does it snow in Kulai?
Almost never: Kulai sees virtually no snow, with about 0 frost days per year.
Has the climate of Kulai warmed?
Yes: Kulai warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kulai?
The wettest day measured in Kulai between 1940 and 2025 was 8 February 1984, with 297 mm of rain in 24 hours.
What was the windiest day in Kulai?
The windiest day measured in Kulai between 1940 and 2025 was 16 January 1951, with winds reaching 30.1 km/h.
What is the warmest month in Kulai?
The warmest month in Kulai is May (26.6 °C on average); the coldest is January (25.1 °C).
How much does it rain in Kulai?
Kulai receives on average 2,387 mm of precipitation per year, spread over about 301 rainy days.
Is it sunny in Kulai?
Kulai gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Kulai?
Yes: Kulai has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kulai?
In Kulai, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 4 May 2016, and the lowest was 19.7 °C on 27 February 1958.
Compare Kulai with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kulai