Climate Data Cornwall
California, United States
Monthly Averages. Elevation: 12m.
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Best Time to Visit: May, Jun, Jul, Aug, Sep, Oct. Rainiest: Jan (97 mm). View current weather →
437 mm
30 °C
Jul 4 °C
Dec 14 km/h
Cornwall has a mild climate with cool winters (Dec 4°C) and warm summers (Jul 30°C). Annual rainfall totals 437mm.
Monthly Averages
High Low Precipitation
Monthly Wind Speed
km/h
Frequently Asked Questions
What is the climate like in Cornwall?
Cornwall has an average annual temperature of 15°C with 437mm of rainfall per year. The warmest month is Jul (30°C) and the coldest is Dec (4°C).
What is the hottest month in Cornwall?
The hottest month in Cornwall is Jul, with an average high of 30°C.
How much rain does Cornwall get?
Cornwall receives 437mm of precipitation annually. The wettest month is Jan (97mm) and the driest is Jul (1mm).
When is the best time to visit Cornwall?
The best time to visit Cornwall is during May, Jun, Jul, Aug, Sep, Oct, when temperatures are comfortable and rainfall is relatively low.
Data: WorldClim 2.1