Sennen Weather in December

Sennen in December sees moderate temperatures, with highs around 12°C (54°F) and overnight lows of 9°C (48°F). Rainfall is fairly high at around 120 mm (4.7 in) on average, so pack waterproofs just in case.

Rainfall in Sennen in December

You can expect rain on roughly 22 days based on historical data, averaging 120 mm (4.7 in) for the month. 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 Sennen in December

If you're visiting Sennen in December, expect highs of 12°C (54°F) and overnight lows around 9°C (48°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Sennen in December

The area sees fewer sunny days, with a projection of about 55 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

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