Richland Weather in December

What's the weather like in Richland (Washington) in December 2024?

The climate in Richland during December can be summarized as cool and dry.

December is in the winter in Richland and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 5°C (41°F), whilst at night -3°C (27°F) is normal.

Richland weather averages (imperial / metric)
Daytime temperature 4.8°C 40.6°F
Nightly temperature -2.6°C 27.3°F
Average temperature 1.1°C 34°F
Daily sunshine 1.7 hrs
Avg rainfall 28 mm 1.1 ins
Rainy days 11 days
Sea temperature 8.8°C 47.9°F
Humidity 80%
Windspeed 11.9kph 7 mph

On average December is the wettest month of the year in Richland with around 28mm 1.1 inches of rain making it a 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 1.7 hours of sunshine per day.

December temperatures in Richland

Richland average temperature in December

December rainfall

Richland average rain in December

December hourly sunshine

Richland 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 Richland in December 2024.