Cornwall Weather in March

March in Cornwall typically sees daytime highs of 3°C (37°F) and nighttime lows of -6°C (21°F). With the least snow/rainfall of the year, it's a reliably dry month.

Rainfall in Cornwall in March

Clear skies and little rain are the norm this month, even if it's not the warmest time of year. Still a good time to spend time outdoors. You can expect snow/rain on roughly 13 days based on historical data, averaging 57 mm (2.2 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Cornwall in March

Daytime temperatures in Cornwall reach 3°C (37°F) in March, dropping to -6°C (21°F) at night. Staying warm is the main priority this month, especially during mornings and evenings. With overnight lows of -6°C (21°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. With temperatures this low, you'll need to dress warmly. Staying prepared is crucial to avoid the discomfort of the cold.

March in Cornwall has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.