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The temperatures in Roscoff in January are quite cold with temperatures between 5°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Roscoff. 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 Roscoff can expect a few days of snow in January.
Our weather forecast can give you a great sense of what weather to expect in Roscoff in January 2026.
If you’re planning to visit Roscoff in the near future, we highly recommend that you review the 14 day weather forecast for Roscoff before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 5° | 11 | 18 | 1 | 166 mm | Bad | Roscoff in January |
| February | 9° / 5° | 10 | 16 | 2 | 142 mm | Awful | Roscoff in February |
| March | 11° / 5° | 7 | 23 | 1 | 92 mm | Bad | Roscoff in March |
| April | 13° / 6° | 6 | 24 | 0 | 90 mm | Ok | Roscoff in April |
| May | 16° / 9° | 5 | 26 | 0 | 83 mm | Good | Roscoff in May |
| June | 18° / 11° | 6 | 24 | 0 | 103 mm | Good | Roscoff in June |
| July | 20° / 13° | 6 | 25 | 0 | 88 mm | Good | Roscoff in July |
| August | 20° / 13° | 5 | 26 | 0 | 98 mm | Good | Roscoff in August |
| September | 19° / 12° | 5 | 25 | 0 | 70 mm | Good | Roscoff in September |
| October | 16° / 10° | 7 | 24 | 0 | 128 mm | Ok | Roscoff in October |
| November | 12° / 8° | 10 | 20 | 0 | 165 mm | Bad | Roscoff in November |
| December | 10° / 7° | 11 | 19 | 1 | 185 mm | Bad | Roscoff in December |