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

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

December is a very cold and slightly rainy time for sunbathing in St Martins, and not recommended. December 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 December.

Temperature in St Martins in December

The average maximum temperature in St Martins in December is 10°. The average maximum temperature is 12° in the previous month and 10° in the next month.

The average temperature in St Martins in December is . The average temperature ranges is 11° in the previous month and in the next month.

The average minimum temperature in St Martins in December is . The minimum temperature is 10° in the previous month and in the next month.

Sunshine in St Martins in December

The average day light hours per day in St Martins in December are 8.1 and there are 1.9 hours of sunshine per day on average during December making it not a particularly sunny month.

The ultraviolet index in St Martins in December is typically 0.6 during December. An ultraviolet index reading of 0 to 2 indicates low danger from the sun's UV rays for the average person. Most people will be able to spend several hours in the sun with out a problem, however unprotected skin risks burning in less than 1 hour. Wear sunglasses on bright days. Only those that burn easily will need to apply sunscreen. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in St Martins in December

The average sea water temperature in St Martins in December is 11.7° which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Rainfall in St Martins in December

The average total rainfall in St Martins in December is 1.3cm and on average there are 13.1 rainy days in December making it a slightly wet time to visit the beach.

Humidity in St Martins in December

The maximum dew point (an indicator of humidity) in St Martins in December is which is a bit dry for some. The dew point is in the previous month and in the next month.

The average maximum relative humidity in St Martins in December is typically 87.1%. The maximum relative humidity is 87.3% in the previous month and 88.1% in the next month.

The average relative humidity in St Martins in December is typically 78.6%. The average relative humidity is 79.8% in the previous month and 81% in the next month.

Wind Speed in St Martins in December

The average maximum wind speed in St Martins in December is typically 41kmh. The average maximum wind speed is 38kmh in the previous month and 40kmh in the next month.

The average wind speed in St Martins in December is typically 32kmh. The average wind speed is 29kmh in the previous month and 32kmh in the next month.

The average wind direction in St Martins in December is from the North West.