City break

George Town, Penang weather in December

Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.

45

Holiday weather in December

Fair

Best time to visit: June, September – February

Air temperature29°CNight 24°
Sea temperature29.2°Cvery warm
Sunshine6hrs / dayof 11.8 h daylight
Rainy days24days / month266 mm

What is the weather like in George Town, Penang in December?

In December, George Town, Penang is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 266 mm. On about 7 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a so-so month for a holiday in George Town, Penang.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score444544
Day29°29°30°
Night24°24°23°
Sea29°29°29°
Sun5 h6 h7 h
Rain days282421

More details for December

Daylight
11 h 49 min07:19 – 19:08
UV index
10 · very highclear sky, noon (estimate)
Muggy days
31 daysdew point 18 °C or more
Wind
8 km/haverage daily peak
Cloud cover
85 %on average
Hot days
7 days30 °C or more
Time zone
UTC+8Asia/Kuala_Lumpur

How the score comes together

  • Temperatureweight 50 %74 %
  • Sunshineweight 20 %42 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in December

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella

George Town, Penang in December: quick answers

Is George Town, Penang hot in December?

Yes. In December, George Town, Penang is hot: daytime highs average 29 °C and nights stay around 24 °C. On about 7 days the thermometer climbs to 30 °C or more.

Can you swim in George Town, Penang in December?

Yes. In December the sea averages 29.2 °C – almost as warm as a bath.

Does it rain much in George Town, Penang in December?

It rains often – on about 24 days, adding up to 266 mm.

George Town, Penang month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)