A brief five day forecast for the area is now on every page
Here is an overview of typical weather in Cornwall from essentialtravelguide.com
Local Weather & When to Visit
Cornwall is located in South West England, the county town is the city of Truro with Newquay, Falmouth and Penzance well known towns, the county is well known for Land’s End, Cornwall & West Devon Mining Landscape (World Heritage Site) and the Eden Project. The county has a temperate maritime climate with typically warm rather than hot summers and cool to cold winters. Cornwall rarely experiences very extreme weather meaning Cornwall can be visited throughout the year. On average in the city of Truro the hottest month is July in summer and the coldest is January in winter. Rainfall on average falls fairly evenly throughout the year.
The weather is unpredictable as with the rest of the UK and it is possible to see elements of all four seasons in one day. The county may experience some snowfall in the winter although heavy and sustained snowfall is rare. It is advisable for visitors to check the weather forecast before they arrive in Cornwall to get a better idea of the sort of clothing they will need during their trip. Bringing hooded waterproof coats and hats will ensure visitors are prepared for any spells of wind and rain the region may experience.
The days are at their shortest and the temperature at the coolest, the days can be crisp and clear therefore if visitors do not mind the cold, it is possible to enjoy visiting Cornwall in winter. It is generally milder than the rest of the UK but there is the possibility of snowfall during this time and it can get cold so visitors are advised to bring warm winter clothing. The area hosts a number of fairs and Christmas markets at this time of year. From December to February the average daytime temperatures are between 8°C and 8°C.
The climate is milder in spring making it a good time to visit Cornwall. There can be some great sunny days mixed with cooler and wet weather. Spring is a good time to visit Cornwall if visitors prefer the weather mild to warm and offers an alternative to visiting in peak summer. From March to May the average daytime temperatures are between 10°C and 15°C.
Most days in summer range from mild to warm with the possibility of some infrequent hotter days, the days are at their longest in the summer. There may be overcast and humid conditions in the summer. The average temperature in July and August is approx 21°C, making for pleasant summer temperatures. The summer is a good time to explore a number of Cornwall’s famous beaches, towns and villages and take in the scenic countryside along the way. From June to August the average daytime temperatures are between 17°C and 19°C.
The climate can vary from some pleasantly mild days particularly at the start of September to cooler and colder days in October and November. Autumn is a good time to visit Cornwall as it avoids the peak summer tourist season, whilst still having milder temperatures and longer hours of daylight particularly at the start of September. Visitors can see some wonderful autumn colours and leaf displays. From September to November the average daytime temperatures are between 11°C and 17°C.