Petaling Jaya in December sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 23°C (73°F). With the rainy season in full effect, expect around 302 mm (12 in) of rainfall and regular showers throughout the month.
If you're interested in exploring other destinations, our weather planner can help you discover additional travel options worldwide.
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Pick a month to see the average temperature, rainfall and sunshine in Petaling Jaya - and find the best time to visit.
46-year average (1976-2025)
Based on our historical records, temperatures in Petaling Jaya typically stay consistent throughout December, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
46-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Petaling Jaya spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Petaling Jaya from 2000 through 2025.
Find out more about the weather in Malaysia and which places have the best travel conditions in this month. See all of Malaysia in December →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Petaling Jaya climate overview or explore weather in Malaysia.
Where to go in December - average daytime high across popular destinations.
Kuala Lumpur
32°C (90°F) Kuching31°C (88°F) Pantai Cenang
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