Weather in Cornwall for June 2025
So far, June 2025 in Cornwall is slightly warmer than the historical average by 0.7 °C.
The forecast for the coming days of June 2025 predicts a temperature of 18.8 °C , which is warmer than usual.
In general, the average temperature in Cornwall at the beginning of June is 13.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 16.9 °C by the end of June.
Cornwall experiences moderate rainfall in June, with an average of 6 rainy days and a total precipitation of 36.3 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. | Sunny | 14° /11° | 0.4 mm | 4 | |
2 Jun. | Partly cloudy | 14° /11° | 0 mm | 4 | |
3 Jun. | Patchy rain possible | 15° /11° | 2.4 mm | 4 | |
4 Jun. | Patchy rain possible | 14° /10° | 1.4 mm | 3 | |
5 Jun. | Patchy rain possible | 13° /10° | 4.4 mm | 3 | |
6 Jun. | Patchy rain possible | 13° /10° | 1.4 mm | 3 | |
7 Jun. | Patchy rain possible | 14° /10° | 4.5 mm | 3 | |
8 Jun. | Patchy rain possible | 14° /11° | 0.4 mm | 3 | |
9 Jun. | Partly cloudy | 14° /11° | 0.1 mm | 4 | |
10 Jun. | Light rain shower | 15° /11° | 0.8 mm | 4 | |
11 Jun. | Patchy rain possible | 15° /10° | 0.7 mm | 4 | |
12 Jun. | Patchy rain possible | 16° /12° | 3.1 mm | 4 | |
13 Jun. | Light rain shower | 16° /11° | 8.1 mm | 4 | |
14 Jun. | Light rain shower | 15° /12° | 4.6 mm | 4 | |
15 Jun. | Patchy rain possible | 16° /13° | 0.2 mm | 2.1 | |
16 Jun. | Sunny | 17° /13° | 0 mm | 2.2 | |
17 Jun. | Sunny | 17° /13° | 0 mm | 2.3 | |
18 Jun. | Sunny | 18° /14° | 0 mm | 2.4 | |
19 Jun. | Sunny | 21° /16° | 0 mm | 2 | |
20 Jun. | Sunny | 22° /16° | 0 mm | 5 | |
21 Jun. | Sunny | 22° /17° | 0 mm | 5 | |
22 Jun. | Sunny | 22° /17° | 0 mm | 5 | |
23 Jun. | Patchy rain possible | 21° /17° | 0.1 mm | 4 | |
24 Jun. | Sunny | 21° /16° | 0 mm | 5 | |
25 Jun. | Patchy rain possible | 18° /15° | 1 mm | 4 | |
26 Jun. | Patchy rain possible | 16° /14° | 0.1 mm | 4 | |
27 Jun. | Patchy rain possible | 16° /14° | 0.5 mm | 3 | |
28 Jun. | Patchy rain possible | 16° /14° | 0.5 mm | 3 | |
29 Jun. | Overcast | 16° /12° | 0.1 mm | 4 | |
30 Jun. | Patchy rain possible | 15° /12° | 0.1 mm | 4 | |
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Cornwall in June - FAQ
Cornwall water temperatures in June
The average water temperature of the Atlantic Ocean near Cornwall in June is 12.2 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Cornwall in June?
- The average water temperature in Cornwall in June is 12.2 °C.
- Can you swim in Cornwall in June?
- Cold enough that you lose heat fast. A full 4–5 mm wetsuit (plus hood/gloves for comfort) is advisable for anything beyond a brief plunge.
June rainfall patterns in Cornwall
UV exposure in Cornwall during June
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Get accurate weather forecasts for Cornwall, located at latitude 50.416 and longitude -5.073. Stay updated with localized weather information tailored for Cornwall.