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Coles Bay Weather in December
December in Coles Bay sees daytime temperatures around 18°C (64°F) and lows of 13°C (55°F) at night. With around 60 mm (2.4 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Coles Bay in December
Historically, December sees about 13 days of rain, with a monthly average of 60 mm (2.4 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Coles Bay in December
December in Coles Bay sees highs of 18°C (64°F) and lows of 13°C (55°F) overnight. Conditions are often most pleasant around the middle of the day. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Coles Bay.
Coles Bay Temperature in December
Min Temperature
13°C (55°F)
Max Temperature
18°C (64°F)
Chance of Rain
42%
Precipitation
60 mm (2.4 in)
Rainy days
13 days
Coles Bay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Coles Bay - and find the best time to visit.
Daily Historical Temperatures
41-year average (1976-2025)
Based on our historical records, temperatures in Coles Bay typically stay consistent throughout December, with daily highs averaging around 18°C (64°F). Nights are cool, with lows around 11°C (52°F).
Average temperatures in December
Daily Historical Precipitation
41-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Coles Bay in December
Browse day-by-day weather records for Coles Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Coles Bay historical weather extremes in December
According to our 35 years of weather records for Coles Bay, the following extremes were recorded between 1990 and 2025.
- On December 30, 2003, temperatures climbed to 33°C (91°F), marking the warmest December day on record.
- On December 1, 2025, Coles Bay saw its coldest December day with temperatures maxing out at 12°C (54°F).
- The lowest overnight temperature recorded in December was -1°C (30°F) (December 12, 1995).
Best Places in Tasmania in December
Find out more about the weather in Tasmania and which places have the best travel conditions in this month. See all of Tasmania in December →
perfect weather
pleasant
tolerable
unpleasant
poor
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).
What to Wear in Coles Bay in December
Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.
What To Do in Coles Bay in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping8/10 -
Outdoor sports10/10
Coles Bay 3-Day Forecast
More climate data for Coles Bay
See the full Coles Bay climate overview or explore weather in Tasmania.
Popular in December
Where to go in December - average daytime high across popular destinations.
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