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Currently: 50 °F. Overcast. (Weather station: Cardinham, United Kingdom). See more current weather. Annual Weather Averages Near Cornwall. Averages are for Cardinham, which is 10 miles from Cornwall. Based on weather reports collected during 2012–2021. Showing: Weather by CustomWeather, © 2024. Need some help?
United Kingdom Weather. July is the hottest month in Cornwall with an average temperature of 16°C (61°F) and the coldest is February at 6°C (42°F) with the most daily sunshine hours at 7 in August. The wettest month is December with an average of 120mm of rain.
Annual Temperature for Cornwall. The hottest month in Cornwall is July when the average maximum temperature is 19°C (65°F), average temperature is 16°C (60°F) and average minimum temperature is 13°C (56°F).
The best months for good weather in Cornwall are June, July, August and September; On average, the warmest months are July, August and September; The coldest months are January, February and March; The rainiest months are January, October, November and December; August is the best month for swimming
11°. 89.92. Weather.com brings you the most accurate monthly weather forecast for Cornwall, England with average/record and high/low temperatures, precipitation and more.
The city’s yearly temperature is 12.23ºC (54.01ºF) and it is 1.48% higher than United Kingdom’s averages. Cornwall typically receives about 60.54 millimeters (2.38 inches) of precipitation and has 139.26 rainy days (38.15% of the time) annually.
The warmest month in Cornwall is August with an average maximum temperature of 20°C. The coldest month is February with an average maximum daytime temperature of 10°C. May is the sunniest month in Cornwall.
