Petaling Jaya Weather in December
What's the weather like in Petaling Jaya (Selangor) in December 2025?
The climate in Petaling Jaya during December can be summarized as hot, humid and very wet.
December is in the winter in Petaling Jaya and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 22°C (72°F) is normal.
| Daytime temperature | 31.3°C 88.3°F |
|---|---|
| Nightly temperature | 22.3°C 72.1°F |
| Average temperature | 26.8°C 80.2°F |
| Daily sunshine | 5.6 hrs |
| Avg rainfall | 225 mm 8.9 ins |
| Rainy days | 21 days |
| Sea temperature | 28.8°C 83.8°F |
| Humidity | 84% |
| Windspeed | 5kph 3 mph |
On average December is the 4th wettest month of the year in Petaling Jaya with around 225mm 8.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
December temperatures in Petaling Jaya
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Petaling Jaya in December 2025.
Other monthly averages
Best places to visit in December
Petaling Jaya weather stats
| Hottest month: | April | 32.6°C 90.7°F |
|---|---|---|
| Driest month: | June | 128mm 5ins |
| Sunniest month: | February | 7.3hrs |
| Coldest month: | January | 31.5°C 88.7°F |
| Wettest month: | November | 278mm 10.9ins |
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