Newhaven Weather in December

During December, Newhaven experiences low daytime temperatures of 11°C (52°F) and cooler nights around 6°C (43°F). Expect quite a bit of rainfall. Around 112 mm (4.4 in) is typical.

Rainfall in Newhaven in December

Records from the past 30 years suggest around 17 days of rain, with 112 mm (4.4 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Newhaven in December

Temperatures in Newhaven in December top out at 11°C (52°F) and drop to 6°C (43°F) overnight. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Average water temperature in December

With water temperatures around 12°C (54°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Newhaven. Our weather planner can help you explore destinations with more pleasant weather conditions.