Best time to go to Cornwall Average weather of Cornwall, England

When is the best time to go to Cornwall?

When is the best time to go to Cornwall? Here's some information to help you in your decision:

The best months for good weather in Cornwall are June, July, August and September
On average, the warmest months are July, August and September
The coldest months are January, February and March
The rainiest months are January, October, November and December
August is the best month for swimming

Annual weather in Cornwall

Infographic of the best times to visit Cornwall ©whereandwhen.net

Weather details in Cornwall month by month

To get all the information about the climate and weather in Cornwall for a specific month, click on the corresponding link below:

January February March April May June July August September October November December

Weather and climate in Cornwall

Cornwall enjoys a temperate oceanic climate (with warm summer) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Cornwall is 58°F (ranging from 50°F in february to 65°F in august). Annual rainfall is 53.7in, with a minimum of 2.9in in april and a maximum of 6.5in in november.

From january to april the climate is not good. The record temperature this month is 63°F and, in april, 4 days of rain are expected.
In the month of may the climate is just OK. In average, on the morning it is 52°F and it rains about 13% of the time in may.
Between the months of june and september the climate is favorable. At lunchtime, it's 63°F in average and it rains in september about 3.1in.
Between october and november the climate is passable, but still OK. It is for example 56°F as maximum temperature in november and it rains in november about 6.5in.
In december the climate is bad. the thermometer goes up to 52°F°C and it rains about 34% of the time in december.

Charts: temperature and rainfall in Cornwall

In the charts below, you can see the following seasonal norms for the city of Cornwall: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature

Humidity

Peak visitor numbers and tourist seasons in Cornwall

Find out when Cornwall has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Cornwall

Very low season in Cornwall
The months with the lowest number of tourists are: January and February.
Low season in Cornwall
The months with low numbers of tourists are: March, April, November and December.
High season in Cornwall
The number of visitors to Cornwall is high in: May, June, September and October.
Peak season in Cornwall
The largest number of tourists visiting Cornwall is during: July and August.

Figure: Visitor index for Cornwall month by month

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Best time for low prices in Cornwall

Average prices of hotels in Cornwall month by month

Generally, November is the month with the lowest hotel prices in Cornwall. So this is a great time to save on your holiday! In contrast, July is statistically the most expensive month of the year for hotels.

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Average price of hiring a car in Cornwall

On average, it costs $ 74 per day to hire a car in Cornwall. This price varies by $ 87 depending on the month. In october, hiring a car costs an average of $ 56 per 24 hours, so this is the best time to save money! In contrast, the average price in april is $ 142.

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