The temperatures in Cornwall in January are quite cold with temperatures between 7°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Cornwall. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Cornwall can expect a few days of snow in January.
Our weather forecast can give you a great sense of what weather to expect in Cornwall in January 2025.
If you’re planning to visit Cornwall in the near future, we highly recommend that you review the 14 day weather forecast for Cornwall before you arrive.
Temperatures
9° / 7°
Rainy Days
10
Snowy Days
1
Dry Days
21
Rainfall
145
mm
Sun Hours
6.8
Hrs
