Weather in Guernsey, Channel Islands in August

So you're interested in going to Guernsey, Channel Islands in August

August is a slightly cold and rainy time for sunbathing in Guernsey. August is a little too cold to enjoy swimming in Guernsey for any length of time. Consider visiting Guernsey in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for August.

Temperature in Guernsey in August

The average maximum temperature in Guernsey in August is 19°. The average maximum temperature is 19° in the previous month and 18° in the next month.

The average temperature in Guernsey 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 Guernsey in August is 14°. The minimum temperature is 14° in the previous month and 13° in the next month.

Sunshine in Guernsey in August

The average day light hours per day in Guernsey in August are 14.4 and there are 7.2 hours of sunshine per day on average during August making it a quite sunny month with some cloud cover.

The ultraviolet index in Guernsey in August is typically 6.7 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 Guernsey in August

The average sea water temperature in Guernsey in August is 20° which is comfortable for swimming though some may prefer warmer water.

Rainfall in Guernsey in August

The average total rainfall in Guernsey in August is 0.8cm and on average there are 15.2 rainy days in August making it a wet time to visit the beach.

Humidity in Guernsey in August

The maximum dew point (an indicator of humidity) in Guernsey in August is 16° which is comfortable for everyone. The dew point is 15° in the previous month and 15° in the next month.

The average maximum relative humidity in Guernsey in August is typically 96.7%. The maximum relative humidity is 96.9% in the previous month and 95.4% in the next month.

The average relative humidity in Guernsey in August is typically 84.6%. The average relative humidity is 83.4% in the previous month and 84% in the next month.

Wind Speed in Guernsey in August

The average maximum wind speed in Guernsey in August is typically 27kmh. The average maximum wind speed is 27kmh in the previous month and 27kmh in the next month.

The average wind speed in Guernsey in August is typically 18kmh. The average wind speed is 18kmh in the previous month and 18kmh in the next month.

The average wind direction in Guernsey in August is from the West.