Weather in March 2025

Cornwall weather in March 2025

°C °F

The average weather in Cornwall in March

The weather in Cornwall in March is very cold with temperatures between -6°C and 3°C, warm clothes are a must.

You can expect rain for roughly half of the month of March 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.

You can expect a few days of snow in Cornwall during March. It’s important to get out your snow boots and warm mittens to stay warm while you explore Cornwall.

Our weather forecast can give you a great sense of what weather to expect in Cornwall in March 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
3° / -6°
Rainy Days
9
Snowy Days
5
Dry Days
18
Rainfall
30
mm
Sun Hours
1.1
Hrs

Explore the weather in Cornwall in other months

Cornwall annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -4° / -12° 11 15 5 27 mm
Awful
February -3° / -12° 10 13 6 29 mm
Awful
March 3° / -6° 9 18 5 30 mm
Awful
April 11° / 1° 8 20 1 41 mm
Ok
May 19° / 8° 8 23 0 39 mm
Good
June 22° / 12° 8 22 0 44 mm
Good
July 26° / 16° 8 23 0 39 mm
Perfect
August 25° / 15° 8 23 0 41 mm
Perfect
September 21° / 11° 7 23 0 37 mm
Good
October 14° / 6° 8 23 0 45 mm
Good
November 6° / -1° 8 20 2 29 mm
Awful
December 0° / -6° 12 14 5 35 mm
Awful

Weather in Cornwall in March - FAQ

What is the average temperature in Cornwall in March?
The average temperature in Cornwall in March is -6/3° C.
What is the chance of rain in Cornwall in March?
On average, there are 9 rainy days in Cornwall during March.
Weather wise, is March a good time to visit Cornwall?
The weather in Cornwall in March is awful.
Can it snow in Cornwall in March?
On average, there are 5 snowy days in Cornwall in March.
More about the weather in Cornwall