Salem Weather in December

The climate in Salem during December can be summarized as hot, humid and reasonably dry.

December is in the winter in Salem and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 19°C (65°F) is normal.

On average December is the 5th driest month of the year in Salem with around 52mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.1 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 Salem in December 2025.