Cornwall (St Ives)
March
Weather in Cornwall for March 2027
Your guide to Cornwall weather in March - trends and predictions
In general, the average temperature in Cornwall at the beginning of March is 9.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 10.1 °C by the end of March.
The climate of Cornwall in March is notably wet, with an average of 14 rainy days, and a total of 70 mm of precipitation.
Is March a good time to visit Cornwall? check out the best time to travel to Cornwall page.
✨ Is March a good time to visit Cornwall? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
17
Dry days
14
Rainy days
0
Snow days
10°/7°
Temperatures
35 km/h
Avg max wind
82 %
Avg humidity
Cornwall Weather March
Move between months or click on a day
Temperatures trend during March in Cornwall
See the weather trend as well as the moving average line
March weather in Cornwall day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Mar. |  Light rain | 9° /6° | 5.2 mm | 1 | |
| 2 Mar. | Light rain | 8° /6° | 3 mm | 1 | |
| 3 Mar. |  Light rain shower | 8° /6° | 1.2 mm | 2 | |
| 4 Mar. | Light rain | 10° /6° | 4.2 mm | 2 | |
| 5 Mar. | Light rain shower | 11° /6° | 1.7 mm | 2 | |
| 6 Mar. | Light drizzle | 10° /7° | 1.1 mm | 2 | |
| 7 Mar. | Light rain | 10° /8° | 4.4 mm | 2 | |
| 8 Mar. | Patchy rain possible | 10° /9° | 1.9 mm | 2 | |
| 9 Mar. | Light rain | 10° /8° | 3.6 mm | 2 | |
| 10 Mar. | Light rain shower | 10° /8° | 2 mm | 2 | |
| 11 Mar. | Patchy rain possible | 10° /7° | 1.5 mm | 2 | |
| 12 Mar. | Light rain | 10° /7° | 4.6 mm | 2 | |
| 13 Mar. | Patchy rain possible | 9° /6° | 2 mm | 2 | |
| 14 Mar. |  Moderate or heavy rain with thunder | 9° /7° | 3.6 mm | 2 | |
| 15 Mar. | Light rain shower | 9° /6° | 1.3 mm | 2 | |
| 16 Mar. | Patchy rain possible | 10° /6° | 0.4 mm | 2 | |
| 17 Mar. | Light rain | 10° /7° | 4.6 mm | 2 | |
| 18 Mar. | Patchy rain possible | 11° /8° | 0.1 mm | 2 | |
| 19 Mar. | Light drizzle | 12° /9° | 1.1 mm | 3 | |
| 20 Mar. |  Overcast | 12° /8° | 0 mm | 3 | |
| 21 Mar. |  Cloudy | 12° /8° | 0.5 mm | 3 | |
| 22 Mar. | Light rain | 11° /8° | 1.9 mm | 3 | |
| 23 Mar. | Light rain shower | 10° /7° | 1.2 mm | 2 | |
| 24 Mar. | Light drizzle | 10° /8° | 0.9 mm | 3 | |
| 25 Mar. | Light rain | 9° /6° | 4.3 mm | 2 | |
| 26 Mar. | Patchy rain possible | 10° /7° | 0.6 mm | 2 | |
| 27 Mar. | Light rain shower | 10° /7° | 1.8 mm | 2 | |
| 28 Mar. | Light rain | 9° /7° | 5.4 mm | 2 | |
| 29 Mar. | Patchy rain possible | 10° /7° | 1.9 mm | 2 | |
| 30 Mar. | Patchy rain possible | 11° /8° | 0.2 mm | 3 | |
| 31 Mar. | Light rain | 11° /7° | 3.9 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Cornwall in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cornwall forecast closer to your planned date for the most up-to-date weather information.
Change Month
Cornwall in March - FAQ
What are the expected maximum and minimum temperatures in Cornwall during March?
During March, expect a variety of temperatures with highs around 10° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cornwall during March?
Moderate rainfall is anticipated in Cornwall during March, with a total of 70 mm spread over approximately 14 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cornwall during March?
The average wind speed in Cornwall during March is 35 km/h, suggesting breezy to windy conditions, depending on your activities.
Cornwall water temperatures in March
The average water temperature of the Atlantic Ocean near Cornwall in March is 8.6 °C. At the beginning of March temperatures are around 8.5 °C; by the end of the month they stay fairly steady and reach 8.6 °C.
- What is the water temperature in Cornwall in March?
- The average water temperature in Cornwall in March is 8.6 °C.
- Can you swim in Cornwall in March?
- Dangerously cold water: hypothermia risk is high. Only experienced cold-water swimmers with proper gear should consider entering.
March rainfall patterns in Cornwall
Explore the daily rainfall trends and prepare for Cornwalls March weather 💧
Typically, Cornwall has 14 rainy days in March with a total of 70 mm of rainfall.
Top locations in Cornwall
Select a location for an accurate weather forecast
More Locations Quick links
More Cornwall weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.