30YearWeather
Penang in December
Penang weather in December - Malaysia
🌧️Wet Season

Penang Weather in December

Plan your December trip to Penang, Malaysia. Based on 30 years of NASA data, expect temperatures of 29°C (high) to 25°C (low), with 57% rain probability and 8 hours of daily sunshine. The Strait of Malacca averages 30°C in December. Pack rain gear for around 31 rainy days.

Avg High
29°C

Hottest around day 7

Avg Low
25°C

Coolest around day 18

Rainy Days
31days

57% avg rain chance

Sunshine
8hrs/day

Winter season

Sea Temperature in December

Strait of Malacca(Selat Melaka)

30.2°C

Monthly Average

Water Feel
🌴Tropical

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
Strait of Malacca

Selat Melaka

Penang coastline

Penang December Weather Calendar

Click any day to see detailed weather information

Currency

MYR

RM Malaysian ringgit

Language

English

+1 more

Driving

Left side

Connect

If you are staying for more than a coupl...

Safety

Very High Safety

GPI: 1.471

Travel Intelligence

Exclusive flight analytics & health data for Penang

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate
40/ 100
Traffic Index

Balanced traffic

Peak Daily Arrivals

0

slots per day

Peak

Dec

Low

Oct

Monthly Traffic Distribution

94
Jan
97
Feb
99
Mar
91
Apr
92
May
84
Jun
82
Jul
95
Aug
88
Sep
78
Oct
91
Nov
99
Dec
Traffic Level
Low Season

Key Connections

Kuala Lumpur (KUL)
Singapore Changi (SIN)
Subang Sultan Abdul Aziz Shah (SZB)
Jakarta Soekarno-Hatta (CGK)
Senai (JHB)

Health & Safety Advisory

CDC travel health recommendations

11 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Cholera

There is no longer active cholera transmission and vaccine is not recommended.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Malaysia.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Malaysia. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Malaysia.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

+5 more

Source: CDC Travelers' Health

View Complete Health Guide

Is December a Good Time to Visit Penang?

👌Decent conditions for most activities
Short Answer

December brings storm season risk to Penang. While typical weather is 29°C with 57% rain, plan for potential disruptions and secure cancellation-friendly bookings.

Decision Factors

Typhoon season active

Western Pacific zone - expect potential typhoon activity

Oppressive heat and humidity

29.1°C with 84% humidity - challenging conditions

Vaccinations required

Yellow Fever

Feels significantly hotter than 29.1°C

Heat index: 36°C due to 84% humidity

Warm tropical seas

30.2°C sea temperature - Hot Soup

Frequent rainfall expected

57% chance of rain - pack waterproofs

Good For

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    Heat index of 36°C poses health risks

  • 🥾
    Outdoor enthusiasts

    57% rain probability disrupts outdoor activities

  • 📸
    Photographers

    84% cloud cover limits natural light opportunities

930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Penang in December averages 29°C with 57% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Penang in December

What are the temperatures in Penang in December?

Daytime highs average 29°C, nights drop to 25°C. Temperatures remain fairly consistent.

How many rainy days in Penang in December?

Expect around 31 days with measurable rainfall. Definitely pack rain gear.

What to wear in Penang in December?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is December peak season in Penang?

This is off-peak season. Expect lower prices and fewer crowds.