About
A country in the UK, Cornwall is a peninsula bordered to the west and north by the Celtic Sea, and to the south by the English Channel. The landscape of Cornwall is made of plateaus of varying levels, which reach up to the seacoasts in the form of cliffs. The weather of Cornwall is generally temperate; it has the sunniest and mildest weather in the UK, being located in southerly latitudes, and likewise tempered by breezes coming from the Gulf Stream.
The average annual temperature of Cornwall ranges from 11.6C to 9.8C. Cornwall experiences an average of 1541 hours of warm sunshine yearly, with an average of 7.6 hours of good sunshine daily. The average mean temperature of the waters surrounding Cornwall is around 11C to 12C. The extreme southwest area of Cornwall, which includes the Isles of Scilly, has the only sub-tropical climate in the whole of UK.
Summer
Summers in Cornwall are generally warm with good weather during this season. The average temperature of Cornwall during the month of June is 14C, with a low of 11C and a high of 16C. Humidity in this early summer month averages 80 per cent, with approximately 6 foggy days. The average daily sunshine during this month is at 12 hours per day. There are around 19 rainy days during this month with 70 mm of monthly rainfall.
July, likewise, has good weather with an average temperature of 16C, and daytime highs of 19C with lows of 13C at night. This month has an average of 6 foggy days as well, and the monthly average humidity is at 80%. The sun usually shines about 13 hours daily, while the average monthly rainfall is at 60mm. There are basically 20 rainy days during this summer month.
August has an average temperature of 16C, with a low of 13C and a high of 19C. The average monthly humidity this month stays at 80%, with around 5 foggy days, and 11 hours of sunshine per day. There are around 21 rainy days during this month, with 60 mm of monthly rainfall. The waters surrounding Cornwall in the late summer are a bit warmer as compared to those of the early summer months.
Autumn
Late September experiences the onset of autumn. The average temperature of Cornwall during the month of September is at 15C, with a low of 12C and a high of 17C. This month has an average of 4 foggy days, and the humidity is usually still sitting at 80 per cent. The sun shines around 8 hours daily, with monthly rainfall right about 70 mm, while there are basically 19 rainy days during September.
October has an average temperature of 12C, with a low of 10C and a high of 14C. Humidity during this month remains at 85% with roughly 4 foggy days. The sun usually diminishes in its vivacity, with an average sunshine of just 6 hours during this month. There are around 23 rainy days as well, with an average of 110 mm of rainfall.
November temperature averages around 9C, with a low of 7C and a high of 11C. This month has an average of 2 foggy days and the humidity is pegged at 85 per cent. The sun diminishes in intensity with about 3 hours of daily sunshine. Monthly rainfall is at 100 mm, while there are basically 25 rainy days on the average.
Winter
The winter season starts in December. The average temperature is at 8C, with a low of 6C and a high of 9C. Humidity in this month averages 84 per cent with 1 foggy day and 1 snowy day on the average, and sunshine of just 3 hours per day. There are around 23 rainy days during this month with 120 mm of monthly rainfall.
The average temperature of Cornwall during the month of January is 6C, with a low of 4C and a high of 8C. This month has an average of 2 snowy days and 2 foggy days, and the humidity is pegged around 85 per cent. The sun shines on the average of 2 hours daily, with monthly rainfall at 110 mm, while there are basically 25 rainy days throughout the month.
February has an average temperature of 6C, with a low of 3C and a high of 8C. Humidity in this month averages 84 per cent, with 2 foggy days and 3 snowy days, and 2 hours of sunshine per day. There are around 21 rainy days during this month with 90 mm of monthly rainfall.
Spring
The perfect spring getaway basically starts in the later days of March. The average temperature of Cornwall during the month of March is at 7C, with a low of 5C and a high of 9C. This month has an average of 2 foggy days, and the humidity drops slightly to 78 per cent. The sun shines timidly during this month but remains at 2 hours daily. The average monthly rainfall is at 100 mm, while there are basically 22 rainy days this month.
April has an average temperature of 8C, with a low of 5C and a high of 11C. Humidity in this month is still at 78 per cent, with 3 foggy days. The average amount of sunshine in April is approximately 7 hours per day, with 20 rainy days during this month dropping about 60 mm of rain.
The average temperature of May is at 11C, with a low of 8C and a high of 14C. This month has an average of 5 foggy days and the humidity stands at a monthly average of 80 per cent. Additionally, the sun shines about hours daily. The average monthly rainfall is at 60 mm, while there are basically 18 rainy days during the month.