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EnglandThe weather in July in Cornwall
It's pleasantly warm in July in Cornwall with an average temperature of 19°C. Temperatures this month range from a low of 17°C to a high of 21°C. At night, you can expect temperatures between 13°C and 15°C.
Looking for sun? July isn’t a good month to be in Cornwall. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in July for Cornwall, England. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 30°C in 2022, Cornwall reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 14°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 20°C.
Rainfall amount
In July, there is an average of 123 mm of precipitation, spread over 16 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Daily weather in July for Cornwall
Click on any day in July to get detailed info about the usual weather on that day in Cornwall. Check out the historical temperatures and precipitation over the past 10 years on this day.
July weather comparison
| Cornwall | New York | |
|---|---|---|
| Average temperature | 19°C | 31°C |
| Max. temperature | 21°C | 33°C |
| Min. temperature | 13°C | -5°C |
| Total precipitation | 123 mm | 160 mm |
| Rainy days | 16 days | 18 days |
Start of July
The month of July starts in Cornwall with mild temps, averaging around 19°C during the day and nights around 14°C.
Mid July
By mid-July, daytime temps rise to around 20°C, with nights around 15°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of July
By the end of July, the average daytime temperature in Cornwall is around 19°C, while nighttime temps are about 15°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Find affordable vacations to Cornwall
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Cornwall for all months and discover the best travel time
Curious about the weather in other parts of England? Check out the climate and weather for spots like London, Edinburgh, Devon, or explore other destinations in England.
Temperature charts
These charts show the average temperatures in July in Cornwall, England. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in July in Cornwall
Temperature in July in Cornwall over the years
Precipitation charts
These charts show the average amount of precipitation in July in Cornwall, England. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in July in Cornwall
Total precipitation in July in Cornwall over the years
Daily UV index in July in Cornwall
This chart shows the average daily UV index in July in Cornwall, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in July in Cornwall
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Average weather in Cornwall by month
Click on a month below to see detailed weather info for Cornwall. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.