Perth Weather in December

What's the weather like in Perth (Ontario) in December 2024?

The climate in Perth during December can be summarized as cold and reasonably dry.

December is in the winter in Perth and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing -3°C (27°F), whilst at night -11°C (12°F) is normal.

Perth weather averages (imperial / metric)
Daytime temperature -2.7°C 27.2°F
Nightly temperature -11.2°C 11.9°F
Average temperature -6.9°C 19.6°F
Daily sunshine 2.7 hrs
Avg rainfall 80 mm 3.1 ins
Rainy days 11 days
Sea temperature 5.2°C 41.3°F
Humidity 79%
Windspeed 15.5kph 10 mph

On average December is the 2nd wettest month of the year in Perth with around 80mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.7 hours of sunshine per day.

December temperatures in Perth

Perth average temperature in December

December rainfall

Perth average rain in December

December hourly sunshine

Perth average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Perth in December 2024.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Perth weather stats

Perth weather statistics
Hottest month: July 26.3°C 79.3°F
Driest month: January 57mm 2.2ins
Sunniest month: July 9.8hrs
Coldest month: January -5.7°C 21.7°F
Wettest month: September 81mm 3.2ins
Map showing location of Perth (44.90011, -76.24939) Perth map pin © Google

Locations nearby

Top Canada locations