easeweather.com
Units
°C
°F
Cornwall
Forecast Today Tomorrow
more
Ontario CanadaUnited States

Weather in Cornwall for June 2025

Your guide to Cornwall weather in June - trends and predictions
  • In general, the average temperature in Cornwall at the beginning of June is 22.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 23.4 °C by the end of June.

  • Expect significant rainfall in Cornwall during June, with an average of 19 rainy days.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/12°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Cornwall in June average weather

Move between months or click on a day
Select a date

You can click on date

Access Cornwall weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Got it

Temperatures trend during June in Cornwall

See the weather trend as well as the moving average line

June weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Jun. Patchy rain possible
Patchy rain possible
27° /11° 0.1 mm 6
2 Jun. Overcast
Overcast
27° /13° 1.1 mm 7
3 Jun. Overcast
Overcast
23° /11° 0 mm 6
4 Jun. Sunny
Sunny
23° /9° 0 mm 6
5 Jun. Overcast
Overcast
25° /12° 1 mm 6
6 Jun. Heavy rain at times
Heavy rain at times
19° /13° 22.8 mm 5
7 Jun. Patchy rain possible
Patchy rain possible
16° /10° 2.9 mm 4
8 Jun. Patchy rain possible
Patchy rain possible
15° /9° 3.3 mm 4
9 Jun. Patchy rain possible
Patchy rain possible
17° /9° 4.8 mm 4
10 Jun. Overcast
Overcast
16° /8° 1.3 mm 4
11 Jun. Overcast
Overcast
21° /9° 0.3 mm 5
12 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /11° 7.9 mm 6
13 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /11° 13.5 mm 6
14 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
21° /10° 7.2 mm 5
15 Jun. Moderate rain at times
Moderate rain at times
22° /10° 1.3 mm 6
16 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /10° 4.1 mm 5
17 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /14° 12.3 mm 5
18 Jun. Patchy rain possible
Patchy rain possible
25° /15° 0.4 mm 6
19 Jun. Patchy rain possible
Patchy rain possible
26° /16° 0.3 mm 6
20 Jun. Partly cloudy
Partly cloudy
26° /13° 0.1 mm 7
21 Jun. Sunny
Sunny
24° /14° 0 mm 6
22 Jun. Partly cloudy
Partly cloudy
23° /13° 9.3 mm 6
23 Jun. Overcast
Overcast
25° /15° 13.7 mm 6
24 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /16° 9.4 mm 5
25 Jun. Patchy rain possible
Patchy rain possible
27° /14° 0.3 mm 6
26 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /13° 7.3 mm 6
27 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
23° /14° 8.4 mm 5
28 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /10° 7.1 mm 6
29 Jun. Partly cloudy
Partly cloudy
23° /15° 10 mm 6
30 Jun. Patchy rain possible
Patchy rain possible
25° /12° 4.8 mm 6
Next
Important Notice
Our weather forecast for Cornwall in June is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cornwall forecast closer to your planned date for the most up-to-date weather information.

Cornwall in June - FAQ

What are the expected maximum and minimum temperatures in Cornwall during June?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cornwall during June?
Significant rainfall exceeding 162.8 mm is expected in Cornwall during June, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cornwall during June?
The average wind speed in Cornwall during June is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

June rainfall patterns in Cornwall

Explore the daily rainfall trends and prepare for Cornwalls June weather 💧

UV exposure in Cornwall during June

Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️

Quick links

Location coordinates Where is Cornwall?

Get accurate weather forecasts for Cornwall, located at latitude 45.018 and longitude -74.728. Stay updated with localized weather information tailored for Cornwall.

Related locations
Select a location for accurate weather forecast
More Locations
Found a mistake?
We appreciate your attention to details. Tell us here.