Chinook Weather in December

What's the weather like in Chinook (Montana) in December 2024?

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

December is in the winter in Chinook and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing -3°C (27°F), whilst at night -16°C (4°F) is normal.

Chinook weather averages (imperial / metric)
Daytime temperature -2.9°C 26.9°F
Nightly temperature -15.8°C 3.7°F
Average temperature -9.3°C 15.3°F
Daily sunshine 4.3 hrs
Avg rainfall 13 mm 0.5 ins
Rainy days 5 days
Sea temperature 6.9°C 44.5°F
Humidity 70%
Windspeed 20.5kph 13 mph

On average December is the 4th driest month of the year in Chinook with around 13mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.3 hours of sunshine per day.

December temperatures in Chinook

Chinook average temperature in December

December rainfall

Chinook average rain in December

December hourly sunshine

Chinook 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 Chinook in December 2024.