Annual average weather for St Agnes, Cornwall, United Kingdom

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Annual Average Weather for St Agnes, Cornwall, United Kingdom

The annual average maximum daily temperature is 13.4°C (56.0°F) which is too cold for sunbathing. The annual average water temperature is typically 12.9°C (55.3°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit. Annually there are on average 17.7 days of rain per month and 4.6 hours of sun per day.

When is the best time to visit St Agnes?

The best months to visit St Agnes are June, July, August, September, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The sea is best for swimming between June and November when the sea temperature is above the average 13°C (55°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Can you sunbathe in St Agnes year round?

No, you can't sunbathe in St Agnes all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.

Even during the warmest month, sunbathing may not be ideal as temperatures don't reach 20°C (72°F). The warmest month in St Agnes is July when the average maximum temperature is 19°C (65°F), average temperature is 16°C (60°F) and average minimum temperature is 13°C (56°F).

More info about the annual temperatures and sunshine.

Can you swim in St Agnes year round?

No, you can't swim in St Agnes all year round.

The warmest sea water temperatures in St Agnes are found in August when they peak at 17°C (62°F) and lowest in February when they dip to 10°C (49°F).

The sea temperature is above average for swimming between June and November when the sea temperature is above 13°C (55°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

More info about the annual sea temperatures

When is the hottest month in St Agnes?

The hottest month in St Agnes is July when the average maximum temperature is not that warm but sunbathing may be possible on some clear days 19°C (65°F), average temperature is 16°C (60°F) and average minimum temperature is 13°C (56°F).

More info about the annual temperatures and sunshine.

When is the coldest month in St Agnes?

The coolest month in St Agnes is February when the average maximum temperature is 9°C (47°F), average temperature is 6°C (43°F) and average minimum temperature is 4°C (39°F).

More info about the annual temperatures and sunshine

When is the sunniest month in St Agnes?

The sunniest days in St Agnes are in June which has the most hours of sunshine per day. In June the sunshine percentage is 46% making it quite sunny but with regular periods of cloudy and overcast skies. There are 7.5 hours of sunshine per day.

More info about the annual sunshine.

When is the least sunny month in St Agnes?

December has the least sunshine. In December the sunshine percentage is 22% making it extremely gloomy and overcast with little sunshine. There are 1.8 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in St Agnes?

The driest month in St Agnes is September with 0.4cm (0.2inches) of rain and June has the fewest days of rain with 14.6 days with some rain, a pretty wet time to visit the beach.

More info about the annual rainfall

When is the wettest month in St Agnes?

The wettest month in St Agnes is November with 2cm (0.8inches) of rain and the most days of rain with 21.3 days with some rain, a very wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in St Agnes?

The coldest sea water temperatures in St Agnes are found in February when they dip to 10°C (49°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

More info about the annual sea temperatures.

When is the sea the warmest in St Agnes?

The warmest sea water temperatures in St Agnes are found in August when they peak at 17°C (62°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

More info about the annual sea temperatures.

When is the most humid month in St Agnes?

The most humid month in St Agnes is August with a dew point (an indicator of humidity) of 15°C (59°F) which is comfortable for everyone.

More info about the annual humidity.

When is the least humid month in St Agnes?

The least humid month in St Agnes is February with a dew point of 6°C (43°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in St Agnes?

The most windy month in St Agnes is January when the average maximum windspeed is 35KM/H (22MPH) and the average wind speed is 23KM/H (14MPH).

More info about the annual wind conditions.

Annual Temperature for St Agnes

The hottest month in St Agnes is July when the average maximum temperature is 19°C (65°F), average temperature is 16°C (60°F) and average minimum temperature is 13°C (56°F).

The coolest month in St Agnes is February when the average maximum temperature is 9°C (9°F), average temperature is 6°C (43°F) and average minimum temperature is 4°C (39°F).

Annual Sunshine for St Agnes

The longest days in St Agnes are in June, with an average of 16.4 hours of daylight per day. December has the shortest days with an average of 8.1 hours of daylight per day.

The sunniest days in St Agnes are in June which has the most hours of sunshine per day. The sunshine percentage is 46% making it quite sunny but with regular periods of cloudy and overcast skies. There are 7.5 hours of sunshine per day.

December has the least sunshine. The sunshine percentage is 22% making it extremely gloomy and overcast with little sunshine. There are 1.8 hours of sunshine per day.

The ultraviolet index is the highest in June when it reaches 7.7 and lowest in December when it reaches 0.6.

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.

Annual Sea Temperature for St Agnes

The warmest sea water temperatures in St Agnes are found in August when they peak at 17°C (62°F) and lowest in February when they dip to 10°C (49°F).

The sea is best for swimming between June and November when the temperature is above 13°C (55°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Annual Rainfall for St Agnes

The wettest month in St Agnes is November with 2cm (0.8inches) of rain and the most days of rain with 21.3 days with some rain, a very wet time to visit the beach.

The driest month in St Agnes is September with 0.4cm (0.2inches) of rain and June has the fewest days of rain with 14.6 days with some rain, a pretty wet time to visit the beach.

Annual Humidity for St Agnes

The most humid month in St Agnes is August with a dew point (an indicator of humidity) of 15°C (59°F) which is comfortable for everyone.

The least humid month in St Agnes is February with a dew point of 6°C (43°F) which is a bit dry for some.

Annual Wind Speed for St Agnes

The most windy month in St Agnes is January when the average maximum windspeed is 35KM/H (22MPH) and the average wind speed is 23KM/H (14MPH).

The least windy month in St Agnes is August when the average maximum windspeed is 26KM/H (16MPH) and the average wind speed is 16KM/H (10MPH).

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