Kemah Weather in December

The climate in Kemah during December can be summarized as mild and a little damp.

December is in the winter in Kemah and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around 17°C (63°F), whilst at night 9°C (48°F) is normal.

On average December is the 6th wettest month of the year in Kemah with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.3 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 Kemah in December 2025.