Fairfield Weather in December

The climate in Fairfield during December can be summarized as cool and a little damp.

December is in the winter in Fairfield and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 2°C (36°F) is normal.

On average December is the 6th wettest month of the year in Fairfield with around 85mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.7 hours of sunshine per day.

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 Fairfield in December 2025.