Cornwall
June
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.
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11
Dry days
19
Rainy days
0
Snow days
23°/12°
Temperatures
13 km/h
Avg max wind
82 %
Avg humidity
Cornwall in June average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | ||||||
| 2  27° | 3 23° | 4  23° | 5 25° | 6  19° | 7 16° | 8 15° |
| 9 17° | 10 16° | 11 21° | 12  22° | 13 24° | 14 21° | 15 22° |
| 16 22° | 17 22° | 18 25° | 19 26° | 20  26° | 21 24° | 22 23° |
| 23 25° | 24 22° | 25 27° | 26 24° | 27 23° | 28 20° | 29 23° |
| 30 25° |
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Temperatures trend during June in Cornwall
See the weather trend as well as the moving average line
June weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. | Patchy rain possible | 27° /11° | 0.1 mm | 6 | |
| 2 Jun. | Overcast | 27° /13° | 1.1 mm | 7 | |
| 3 Jun. | Overcast | 23° /11° | 0 mm | 6 | |
| 4 Jun. | Sunny | 23° /9° | 0 mm | 6 | |
| 5 Jun. | Overcast | 25° /12° | 1 mm | 6 | |
| 6 Jun. | Heavy rain at times | 19° /13° | 22.8 mm | 5 | |
| 7 Jun. | Patchy rain possible | 16° /10° | 2.9 mm | 4 | |
| 8 Jun. | Patchy rain possible | 15° /9° | 3.3 mm | 4 | |
| 9 Jun. | Patchy rain possible | 17° /9° | 4.8 mm | 4 | |
| 10 Jun. | Overcast | 16° /8° | 1.3 mm | 4 | |
| 11 Jun. | Overcast | 21° /9° | 0.3 mm | 5 | |
| 12 Jun. | Moderate or heavy rain shower | 22° /11° | 7.9 mm | 6 | |
| 13 Jun. | Moderate or heavy rain shower | 24° /11° | 13.5 mm | 6 | |
| 14 Jun. | Moderate or heavy rain shower | 21° /10° | 7.2 mm | 5 | |
| 15 Jun. | Moderate rain at times | 22° /10° | 1.3 mm | 6 | |
| 16 Jun. | Moderate or heavy rain shower | 22° /10° | 4.1 mm | 5 | |
| 17 Jun. | Moderate or heavy rain shower | 22° /14° | 12.3 mm | 5 | |
| 18 Jun. | Patchy rain possible | 25° /15° | 0.4 mm | 6 | |
| 19 Jun. | Patchy rain possible | 26° /16° | 0.3 mm | 6 | |
| 20 Jun. | Partly cloudy | 26° /13° | 0.1 mm | 7 | |
| 21 Jun. | Sunny | 24° /14° | 0 mm | 6 | |
| 22 Jun. | Partly cloudy | 23° /13° | 9.3 mm | 6 | |
| 23 Jun. | Overcast | 25° /15° | 13.7 mm | 6 | |
| 24 Jun. | Moderate or heavy rain shower | 22° /16° | 9.4 mm | 5 | |
| 25 Jun. | Patchy rain possible | 27° /14° | 0.3 mm | 6 | |
| 26 Jun. | Moderate or heavy rain shower | 24° /13° | 7.3 mm | 6 | |
| 27 Jun. | Moderate or heavy rain shower | 23° /14° | 8.4 mm | 5 | |
| 28 Jun. | Moderate or heavy rain shower | 20° /10° | 7.1 mm | 6 | |
| 29 Jun. | Partly cloudy | 23° /15° | 10 mm | 6 | |
| 30 Jun. | Patchy rain possible | 25° /12° | 4.8 mm | 6 | |
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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.
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