On average, Cornwall enjoys 1,541 hours of sunshine per year with July being the warmest month however, it's unlikely the weather will ever get extremely hot.
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Cornwall benefits from the mildest and sunniest climate in the UK, due to its southerly latitude and the effect of the Gulf Stream. The sea surrounding our coasts and the southwesterly position means that the weather here can be relatively changeable.
The Roseland Peninsula, on which The Nare resides, has an even milder climate compared to the rest of Cornwall. A part of the south coast of Cornwall, the Roseland has its own micro-climate that allows palm trees, agave plants and other subtropical flowers to flourish in the hotel gardens.
June to August is the best time to visit Cornwall for its idyllic beaches. This is also the best time for families as many of the most popular beaches and surfing beaches are patrolled by lifeguards. The weather in Cornwall in summer is fantastic and the county sees higher average temperatures than the rest of the UK.
In the months of July and August (the hottest part of the year) daily maxima range from about 19 °C (66 °F) on the coast of Cornwall to 22 °C (72 °F) across inland areas of the north-east (Somerset and North Somerset) and also Exeter due to being situated in the Eastern Lee of Dartmoor .