Weather in Cornwall for June 2025
Until now, June 2025 in Cornwall has been nearly identical to the historical average, with a temperature of 21.2 °C (showing only a slight deviation of -0.2 °C).
The forecast for the coming days of June 2025 predicts a temperature of 25.8 °C , which is warmer than usual.
In general, the average temperature in Cornwall at the beginning of June is 22.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 25.4 °C by the end of June.
Cornwall experiences heavy rainfall in June, with over 20 rainy days and an average total precipitation 154.8 mm.
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Cornwall Weather June
Temperatures trend during June in Cornwall
June weather in Cornwall day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. |  Patchy rain possible | 21° /9° | 3.9 mm | 5 | |
| 2 Jun. |  Overcast | 25° /11° | 1.7 mm | 6 | |
| 3 Jun. | Overcast | 23° /11° | 0 mm | 6 | |
| 4 Jun. |  Sunny | 25° /12° | 0 mm | 6 | |
| 5 Jun. | Overcast | 24° /14° | 3.6 mm | 5 | |
| 6 Jun. |  Heavy rain at times | 21° /13° | 15.2 mm | 5 | |
| 7 Jun. | Patchy rain possible | 19° /11° | 1.9 mm | 4 | |
| 8 Jun. | Patchy rain possible | 18° /9° | 2.2 mm | 4 | |
| 9 Jun. | Patchy rain possible | 20° /10° | 3.2 mm | 5 | |
| 10 Jun. | Overcast | 17° /10° | 4.7 mm | 4 | |
| 11 Jun. | Overcast | 22° /10° | 0.2 mm | 5 | |
| 12 Jun. |  Moderate or heavy rain shower | 22° /12° | 5.3 mm | 5 | |
| 13 Jun. | Moderate or heavy rain shower | 21° /9° | 9 mm | 5 | |
| 14 Jun. | Moderate or heavy rain shower | 20° /10° | 14.1 mm | 5 | |
| 15 Jun. | Sunny | 26° /9° | 0 mm | 2.3 | |
| 16 Jun. |  Partly cloudy | 25° /8° | 0 mm | 2.3 | |
| 17 Jun. | Overcast | 28° /17° | 0 mm | 0.3 | |
| 18 Jun. |  Heavy rain | 28° /20° | 20 mm | 2.3 | |
| 19 Jun. |  Moderate rain | 29° /18° | 7.4 mm | 0 | |
| 20 Jun. | Moderate rain | 15° /13° | 6.2 mm | 3 | |
| 21 Jun. | Partly cloudy | 23° /11° | 0 mm | 5 | |
| 22 Jun. | Patchy rain possible | 27° /10° | 0.1 mm | 4 | |
| 23 Jun. |  Fog | 30° /20° | 0 mm | 5 | |
| 24 Jun. | Patchy rain possible | 32° /21° | 0.2 mm | 6 | |
| 25 Jun. | Sunny | 27° /15° | 0 mm | 6 | |
| 26 Jun. | Partly cloudy | 24° /15° | 0 mm | 5 | |
| 27 Jun. | Partly cloudy | 22° /11° | 0 mm | 5 | |
| 28 Jun. | Sunny | 25° /12° | 0.1 mm | 5 | |
| 29 Jun. | Partly cloudy | 23° /15° | 10 mm | 6 | |
| 30 Jun. | Patchy rain possible | 25° /12° | 4.8 mm | 6 | |
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Cornwall in June - FAQ
June rainfall patterns in Cornwall
UV exposure in Cornwall during June
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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.