Climate and Weather of Cornwall, the United Kingdom

In the United Kingdom you have several regions, one of which is called Cornwall. The most popular city in this region is Newquay, whose climate data we'll examine to provide you with an overview of what weather to expect in Cornwall. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

In Cornwall, the months of July and August bring pleasant weather, with average temperatures ranging between 20°C and 20°C.

Note that the warmest month in Cornwall is normally August, with the temperature reaching 20°C, while February has the coolest maximum daytime temperatures, reaching 10°C.

When it comes to rainfall, Cornwall experiences moderate variations in precipitation across the seasons. You can expect around 104 mm of rain in December, dropping to 67 mm in May.

For those seeking sunshine, May usually has the brightest skies, making it an excellent time for exploring the region.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Cornwall, the United Kingdom?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.