Climate averages 1991–2020
Sepang weather
in December.
A hot, very wet month: the coolest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Sepang: daytime highs average 28.3°C and nights cool to about 23.9°C. By daytime temperature it is the coolest month of the year.
Expect about 262 mm of rain on roughly 26 days, which makes December a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 58 min on an average December day.
The nearest other city in this atlas is Port Dickson (19 km away). In December its highs average 28.5°C, about as warm as Sepang, with 244 mm of rain.
Among the 72 cities listed in Malaysia, Sepang ranks joint 51st of 72 for the warmest December highs and 29th of 72 for the driest December (rainfall, lowest first). The mean December high of those 72 cities is 28.5°C; Sepang is 0.2°C cooler than that mean.
From December to January, average highs rise by 0.4°C to 28.6°C, and monthly rainfall falls from 262 mm to 175 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sepang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.6°C23.6°C | 23.6°C | 175 | 18.9 | 12.012 h |
| February | 29.3°C23.7°C | 23.7°C | 130 | 16.7 | 12.012 h |
| March | 29.6°C24.4°C | 24.4°C | 189 | 23.2 | 12.112 h |
| April | 29.5°C24.7°C | 24.7°C | 224 | 26.4 | 12.212 h |
| May | 29.5°C25.0°C | 25.0°C | 197 | 26.1 | 12.212 h |
| June | 29.4°C25.0°C | 25.0°C | 145 | 21.6 | 12.312 h |
| July | 29.1°C24.7°C | 24.7°C | 155 | 22.9 | 12.312 h |
| August | 28.9°C24.6°C | 24.6°C | 170 | 24.5 | 12.212 h |
| September | 28.9°C24.4°C | 24.4°C | 189 | 25.0 | 12.112 h |
| October | 28.8°C24.3°C | 24.3°C | 235 | 26.7 | 12.112 h |
| November | 28.4°C24.1°C | 24.1°C | 334 | 28.2 | 12.012 h |
| December, selected | 28.3°C23.9°C | 23.9°C | 262 | 25.6 | 12.012 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Port Dickson in DecemberMalaysia · 19 kmHigh 28.5°C · Low 24.1°C · 244 mm rain
- Seremban in DecemberMalaysia · 21 kmHigh 28.6°C · Low 23.1°C · 258 mm rain
- Cyberjaya in DecemberMalaysia · 28 kmHigh 28.6°C · Low 22.7°C · 312 mm rain
- Kajang in DecemberMalaysia · 34 kmHigh 29.1°C · Low 22.4°C · 312 mm rain
- Puchong in DecemberMalaysia · 37 kmHigh 28.7°C · Low 22.9°C · 280 mm rain
- Bukit Jalil in DecemberMalaysia · 40 kmHigh 28.5°C · Low 22.3°C · 312 mm rain
- Bandar Mahkota Cheras in DecemberMalaysia · 41 kmHigh 28.8°C · Low 22.2°C · 312 mm rain
- Petaling Jaya in DecemberMalaysia · 49 kmHigh 28.7°C · Low 22.7°C · 280 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sepang) is explained once on the Sepang year overview and on the Sources, method and limits page.