March · United Kingdom
Best time to visit Cornwall in March Weather, crowds & prices
Weather in Cornwall in March
Average temperature 9°C, 120 mm of rain, about 4 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
March score
2.0/10
Ranked #7 of 12 months
- Avg temp
- 9°C
- Rainfall
- 120 mm
- Humidity
- 86%
- Days with 6h+ sun
- 4
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
March in Cornwall scores 2.0/10 for beach and coastal travel - ranked #7 of 12. Expect around 9°C, 120 mm of rain, and roughly 4 days with 6+ hours of sunshine this month.
Cornwall's granite cliffs, surf beaches and fishing harbours fill England's south-west tip.
March in Cornwall: expect compromises
March averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 120 mm this is a genuinely wet month: about 4 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 2/10 here, 7th of 12 months, against 6.4/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? August scores 4.4 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Cornwall in March?
- In March, Cornwall averages 9°C, 120 mm of rain, and about 4 days with 6+ hours of sunshine. Its climate-comfort score is 2.0/10.
- Is March a good time to visit Cornwall?
- March earns a 2.0/10 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 March?
- Expect about 120 mm of rain in March. Average humidity is 86% and there are about 4 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.