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 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 18° in the next month.

The average temperature in Cornwall in July is 16°. The average temperature ranges is 14° in the previous month and 16° 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 and there are 6.9 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 7.7 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 16.1° 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 0.7cm and on average there are 18.2 rainy days in July making it a wet time to visit the beach.

Humidity in Cornwall in July

The maximum dew point (an indicator of humidity) in Cornwall in July is 15° which is comfortable for everyone. The dew point is 13° in the previous month and 15° in the next month.

The average maximum relative humidity in Cornwall in July is typically 97.4%. The maximum relative humidity is 96.5% in the previous month and 97.6% in the next month.

The average relative humidity in Cornwall in July is typically 85.6%. The average relative humidity is 83.7% in the previous month and 86.4% in the next month.

Wind Speed in Cornwall in July

The average maximum wind speed in Cornwall in July is typically 26kmh. The average maximum wind speed is 26kmh in the previous month and 26kmh in the next month.

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

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