Weather in St Martins, Isles of Scilly, United Kingdom in August

So you're interested in going to St Martins, Isles of Scilly, United Kingdom in August

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

Temperature in St Martins in August

The average maximum temperature in St Martins in August is 19°. The average maximum temperature is 19° in the previous month and 17° in the next month.

The average temperature in St Martins in August is 17°. The average temperature ranges is 17° in the previous month and 16° in the next month.

The average minimum temperature in St Martins in August is 15°. The minimum temperature is 15° in the previous month and 14° in the next month.

Sunshine in St Martins in August

The average day light hours per day in St Martins in August are 14.5 and there are 8.1 hours of sunshine per day on average during August making it a sunny month with few clouds.

The ultraviolet index in St Martins in August is typically 6.5 during August. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. 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 St Martins in August

The average sea water temperature in St Martins in August is 16.9° which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Rainfall in St Martins in August

The average total rainfall in St Martins in August is 1.2cm and on average there are 12.4 rainy days in August making it a slightly wet time to visit the beach.

Humidity in St Martins in August

The maximum dew point (an indicator of humidity) in St Martins in August is 15° which is comfortable for everyone. The dew point is 15° in the previous month and 14° in the next month.

The average maximum relative humidity in St Martins in August is typically 91.7%. The maximum relative humidity is 92.4% in the previous month and 91.5% in the next month.

The average relative humidity in St Martins in August is typically 80.9%. The average relative humidity is 82.4% in the previous month and 82.6% in the next month.

Wind Speed in St Martins in August

The average maximum wind speed in St Martins in August is typically 30kmh. The average maximum wind speed is 29kmh in the previous month and 31kmh in the next month.

The average wind speed in St Martins in August is typically 21kmh. The average wind speed is 21kmh in the previous month and 22kmh in the next month.

The average wind direction in St Martins in August is from the West-Northwest.