Whitsunday islands Weather in December
Whitsunday islands in December sees high temperatures, with highs around 29°C (84°F) and overnight lows of 25°C (77°F). Rainfall is fairly high at around 113 mm (4.4 in) on average, so pack waterproofs just in case.
Rainfall in Whitsunday islands in December
You can typically expect 9 days of rain this month, averaging around 113 mm (4.4 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Whitsunday islands in December
Daytime highs in Whitsunday islands in December reach 29°C (84°F), with nights around 25°C (77°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Whitsunday islands in December
Expect a lot of sunshine this month, with about 277 hours of sun. These sunny conditions add to the overall experience.For Whitsunday islands itself, May, June, July, August, September, October and November generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Whitsunday islands's climate page.
Whitsunday islands Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
29%
Precipitation
113 mm (4.4 in)
Rainy days
9 days
Humidity
60% *
Sunshine
277 hours *
Percentage Sunshine
*
Daily Historical Temperatures
36-year average (1990-2025)
Based on our historical records, temperatures in Whitsunday islands typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in December
Daily Historical Precipitation
36-year average (1990-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Whitsunday islands in December
Browse day-by-day weather records for Whitsunday islands spanning 38 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Whitsunday islands historical weather extremes in December
Based on 35 years of weather observations (1990-2025), these are the most extreme conditions recorded in Whitsunday islands.
- On December 11, 1990, temperatures climbed to 36°C (97°F), marking the warmest December day on record.
- The coldest December day was on December 18, 1993, with a maximum of 23°C (73°F).
- Nighttime temperatures dropped to 17°C (63°F) on December 5, 1998, marking the coldest December night on record.
Best Places in Australia in December
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Whitsunday islands in December
Warm but pleasant conditions in Whitsunday islands in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Whitsunday islands in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Whitsunday islands's climate page.
Temperature Rainfall Sunshine Humidity
See the full Whitsunday islands climate overview or explore weather in Australia.
