January · United Kingdom
Best time to visit Cornwall in January Weather, crowds & prices
Weather in Cornwall in January
Average temperature 8°C, 100 mm of rain, about 0 days with 6+ hours of sunshine and 84% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
1.6/10
Ranked #8 of 12 months
- Avg temp
- 8°C
- Rainfall
- 100 mm
- Humidity
- 84%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $$ · Moderate Cost ($$)
January in Cornwall scores 1.6/10 for beach and coastal travel - ranked #8 of 12. Expect around 8°C, 100 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Cornwall's granite cliffs, surf beaches and fishing harbours fill England's south-west tip.
January in Cornwall — off-season conditions
Expect 8°C (47°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 100 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 8.3 hours of daylight to work around it.
That is 1.6/10 on the same scale — 8th of 12 months, versus 6.4/10 for the best month here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Expect mid-season pricing, and crowds are light for this destination.
If your dates are flexible, August is materially better in Cornwall — 4.8 points higher on the same scale.
Frequently asked
- What is the weather like in Cornwall in January?
- In January, Cornwall averages 8°C, 100 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 1.6/10.
- Is January a good time to visit Cornwall?
- January earns a 1.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cornwall in January?
- Expect about 100 mm of rain in January. Average humidity is 84% and there are about 0 days with 6+ hours of sunshine.
Curated in Cornwall
Tickets & experiences
Things to do in Cornwall
Cornwall, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.