The climate of Cornwall

Average climate of Cornwall

The climate of Cornwall has an average yearly temperature of 15°C. Throughout the year, the average monthly temperature can drop to 10°C and rise to 19°C.

Annually, about 1165 mm of rain falls. This gives a good overview of how much rain to expect in Cornwall. Additionally, about 1,1 cm of snow falls each year.

The best time to visit Cornwall is June and September. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit Cornwall.

10 to 19°C

1165 mm

1,1 cm

• Average yearly temperature: 15°C
• Highest temperature: 19°C in July and August
• Lowest temperature: 10°C in January and February
• Precipitation: 1165 mm per year, averaging 97 mm per month
• Driest months: 59 mm in April, 62 mm in June and 70 mm in May
• Wettest months: 128 mm in November, 126 mm in December and 124 mm in January
• Snowfall: 1,1 cm per year

Climate table Cornwall

The climate table for Cornwall shows the average temperatures, precipitation, snowfall, and UV index per month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daytime temperature (°C)	10	10	11	13	15	18	19	19	18	15	12	11
Nighttime temperature (°C)	6	6	6	7	9	13	14	14	13	11	8	7
Precipitation (mm)	124	90	85	59	70	62	123	114	82	102	128	126
Snowfall (cm)	0,1	0,4	0,4	0	0	0	0	0	0	0	0,2	0
UV Index	2	2	3	6	7	6	6	5	4	3	2	1
Best month

Temperature per month in Cornwall

This graph shows the average high temperatures in degrees Celsius for each month in Cornwall, England

Precipitation per month in Cornwall

This graph shows the average monthly precipitation in millimeters in Cornwall, England.

Snowfall per month in Cornwall

This graph shows the average snowfall in centimeters per month in Cornwall, England.

UV index per month in Cornwall

This graph shows the average UV index per month in Cornwall, England.

Yearly temperature in Cornwall

This graph shows the average yearly temperature in Cornwall, England, measured in degrees Celsius.

Yearly total precipitation in Cornwall

This graph shows the average yearly precipitation in millimeters in Cornwall, England.

Yearly snowfall in Cornwall

This graph shows the average yearly snowfall in Cornwall, England, measured in centimeters.