The weather in Penang in December is very hot. The average temperatures are between 77°F and 86°F, drinking water regularly is advisable.
You can expect rain for roughly half of the month of December in Penang. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Penang in December 2025.
If you’re planning to visit Penang in the near future, we highly recommend that you review the 14 day weather forecast for Penang before you arrive.
Temperatures
86° / 77°
Rainy Days
12
Snowy Days
0
Dry Days
19
Rainfall
8.5
in
Sun Hours
11.2
Hrs
