Search Menu

The weather in June in Cornwall

It's warm in June in Cornwall with an average temperature of 26°C. Temperatures this month range from a low of 23°C to a high of 29°C. At night, you can expect temperatures between 11°C and 18°C.

Looking for great weather? June is a good time to be in Cornwall. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in June for Cornwall, Connecticut. 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 35°C in 2021, Cornwall reached the highest temperature in June over the past 10 years. The lowest daytime temperature in this month was 11°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 23°C.

Rainfall amount

In June, there is an average of 56 mm of precipitation, spread over 9 days. The wind speed is around 3 Bft, mostly coming from the Southwest.

Daily weather in June for Cornwall

Click on any day in June 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.

June weather comparison

  Cornwall New York
Average temperature 26°C 27°C
Max. temperature 29°C 31°C
Min. temperature 11°C -5°C
Total precipitation 56 mm 78 mm
Rainy days 9 days 11 days

Start of June

The month of June starts in Cornwall with warm temps, averaging around 25°C during the day and nights around 14°C.

Mid June

By mid-June, daytime temps rise to around 26°C, with nights around 16°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of June

By the end of June, the average daytime temperature in Cornwall is around 28°C, while nighttime temps are about 17°C. A shower might pop up, but overall, the weather will be dry and sunny.

UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

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

Temperature charts

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

Daily Temperature in June in Cornwall

Temperature in June in Cornwall over the years

Precipitation charts

These charts show the average amount of precipitation in June in Cornwall, Connecticut. 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 June in Cornwall

Total precipitation in June in Cornwall over the years

Daily UV index in June in Cornwall

This chart shows the average daily UV index in June 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 June in Cornwall

Have you been to Cornwall in June?

Share your weather experience in June in Cornwall.

Your email will not be shown in the review and will not be shared with others.

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.