Cornwall Weather in January

With daytime temperatures of -2°C (28°F) and nighttime lows of -10°C (14°F), January in Cornwall brings very low temperatures during the day. Do keep in mind that quite a bit of snowfall is typical. Around 96 mm (3.8 in) falls on average.

Rainfall in Cornwall in January

Looking at the last 30 years, the data shows about 16 days with snow, averaging 96 mm (3.8 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Cornwall in January

Daytime highs in Cornwall in January reach -2°C (28°F), with nights around -10°C (14°F). The month of January belongs to the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. At -10°C (14°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. It is a very cold month, so be prepared and make sure to dress up warm. It's always better to be prepared than to find oneself shivering in the cold.

Sunshine in Cornwall in January

You can expect a moderate amount of sunlight, with approximately 109 hours. This means a pleasant mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Cornwall.