Weather in Cornwall, United Kingdom in July

So you're interested in going to Cornwall, United Kingdom in July

July is a slightly cold and slightly rainy time for sunbathing in Cornwall. July is too cold for swimming in Cornwall for any length of time, unless you have a wetsuit. Consider visiting Cornwall in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for July.

Temperature in Cornwall in July

The average maximum temperature in Cornwall in July is 19°. The average maximum temperature is 17° in the previous month and 19° in the next month.

The average temperature in Cornwall in July is 16°. The average temperature ranges is 14° in the previous month and 15° in the next month.

The average minimum temperature in Cornwall in July is 13°. The minimum temperature is 11° in the previous month and 13° in the next month.

Sunshine in Cornwall in July

The average day light hours per day in Cornwall in July are 16.3 and there are 6.7 hours of sunshine per day on average during July making it a quite sunny month with some cloud cover.

The ultraviolet index in Cornwall in July is typically 7.3 during July. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Cornwall in July

The average sea water temperature in Cornwall in July is 16.7° which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Rainfall in Cornwall in July

The average total rainfall in Cornwall in July is 1cm and on average there are 12.7 rainy days in July making it a slightly wet time to visit the beach.

Humidity in Cornwall in July

The maximum dew point (an indicator of humidity) in Cornwall in July is 14° which is comfortable for everyone. The dew point is 12° in the previous month and 14° in the next month.

The average maximum relative humidity in Cornwall in July is typically 89.1%. The maximum relative humidity is 88.6% in the previous month and 89.6% in the next month.

The average relative humidity in Cornwall in July is typically 74.1%. The average relative humidity is 74.1% in the previous month and 75.2% in the next month.

Wind Speed in Cornwall in July

The average maximum wind speed in Cornwall in July is typically 27kmh. The average maximum wind speed is 28kmh in the previous month and 28kmh in the next month.

The average wind speed in Cornwall in July is typically 16kmh. The average wind speed is 17kmh in the previous month and 17kmh in the next month.

The average wind direction in Cornwall in July is from the South West.