Cornwall Weather in January

Cornwall in January averages -4°C (25°F) during the day and -12°C (10°F) at night. This is part of the winter season, and quite a bit of snowfall is expected this month.

Rainfall in Cornwall in January

Snow is expected on roughly 17 days, totalling around 64 mm (2.5 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Cornwall in January

If you're visiting Cornwall in January, expect highs of -4°C (25°F) and overnight lows around -12°C (10°F). January is known for being in the winter season. Expect a distinctly cold feel throughout the day, not just overnight. With overnight lows of -12°C (10°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. It's often the coldest month of the year, a perfect time to cozy up indoors. Make sure to bring along suitable winter clothing.

January in Cornwall can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.