The weather in April in Cornwall

It's cool in April in Cornwall with an average temperature of 13°C. Temperatures this month range from a low of 11°C to a high of 16°C. At night, you can expect temperatures between 6°C and 9°C.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in April for Cornwall, England. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 22°C in 2019, Cornwall reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 6°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 0°C to a highest value of 13°C.

Rainfall amount

In April, there is an average of 59 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in April for Cornwall

Click on any day in April to get detailed info about the usual weather on that day in Cornwall. Check out the historical temperatures and precipitation over the past 10 years on this day.

April weather comparison

  Cornwall New York
Average temperature 13°C 17°C
Max. temperature 16°C 22°C
Min. temperature 6°C -5°C
Total precipitation 59 mm 81 mm
Rainy days 9 days 11 days

Start of April

The month of April starts in Cornwall with cool temps, averaging around 12°C during the day and nights around 7°C.

Mid April

By mid-April, daytime temps rise to around 14°C, with nights around 8°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of April

By the end of April, the average daytime temperature in Cornwall is around 13°C, while nighttime temps are about 8°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Cornwall for all months and discover the best travel time

Curious about the weather in other parts of England? Check out the climate and weather for spots like London, Edinburgh, Devon, or explore other destinations in England.

Temperature charts

These charts show the average temperatures in April in Cornwall, England. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in April in Cornwall

Temperature in April in Cornwall over the years

Precipitation charts

These charts show the average amount of precipitation in April in Cornwall, England. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in April in Cornwall

Total precipitation in April in Cornwall over the years

Daily UV index in April in Cornwall

This chart shows the average daily UV index in April in Cornwall, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in April in Cornwall

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Average weather in Cornwall by month

Click on a month below to see detailed weather info for Cornwall. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.