Castlehaven Weather in December

December in Castlehaven typically sees daytime highs of 11°C (52°F) and nighttime lows of 6°C (43°F). As the wettest month of the year, expect more rainfall than other months.

Rainfall in Castlehaven in December

It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Historically, approximately 22 days this month are expected to have rain, averaging 122 mm (4.8 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Castlehaven in December

December in Castlehaven brings typical temperatures with highs around 11°C (52°F) and lows of 6°C (43°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Castlehaven in December

This month is characterized by fewer sunny days, with about 56 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Castlehaven. Our weather planner can help you explore destinations with more pleasant weather conditions.