Climate of Cornwall
The region Cornwall has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Cornwall is 26° degrees and there is about 210 inch of rain in a year. It is dry for 124 days a year with an average humidity of 82% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 9°C and 18°C
- Night:the average nighttime temperature is between 7°C and 15°C
- Rain: it rains 194 days and there is a total of approximately 535 mm rainfall
- Snow: it snows an average of 1 days per year
- Sun hours: throughout the year there are 2375 sun hours
Maximum temperature: | between 9°C and 18°C |
Warmest month: | 18°C in July |
Coldest month: | 9°C in January |
Night temperature: | between 7°C and 15°C |
Dry days: | 170 days |
Days with rain: | 194 days |
Days with snow: | 1 days |
Total rain sum: | 535 mm |
Hours of sunshine: | 2375 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Cornwall.
Precipitation graph
This graph shows the average amount of rainfall per month for Cornwall.
Climate table of Cornwall
In this climate table you can see at a glance what the average weather per month is for Cornwall. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Cornwall might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°F) | 49 | 48 | 50 | 52 | 56 | 61 | 64 | 64 | 62 | 59 | 54 | 51 |
Night temp. (°F) | 45 | 44 | 45 | 47 | 51 | 55 | 59 | 60 | 58 | 55 | 51 | 48 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (inch) | 24 | 18 | 17 | 10 | 11 | 11 | 15 | 17 | 11 | 20 | 29 | 28 |
Days with rain | 21 | 15 | 15 | 13 | 13 | 12 | 16 | 17 | 14 | 17 | 20 | 21 |
Days with snow | - | 1 | - | - | - | - | - | - | - | - | - | - |
Dry days | 10 | 12 | 16 | 17 | 18 | 18 | 15 | 14 | 16 | 14 | 10 | 10 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 4 | 4 | 6 | 9 | 8 | 9 | 8 | 8 | 8 | 5 | 4 | 4 |
Wind force (Bft) | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 |
UV-index | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 4 | 4 | 3 | 3 |
Best time to visit Cornwall
For a visit to Cornwall, the best time to visit is in July and August. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in the Cornwall region is 64°F in July and the lowest is 48°F in February.
Climate of Cornwall by month
What is the average climate in a given month for Cornwall? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Cornwall weather experiences
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