Cornwall (Newquay)
June
Weather in Cornwall for June 2026
Your guide to Cornwall weather in June - trends and predictions
The forecast for the next days in Cornwall predicts temperatures to be around 16 °C, close to the historical average.
In general, the average temperature in Cornwall at the beginning of June is 14.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 17.7 °C by the end of June.
The climate of Cornwall in June is notably wet, with an average of 13 rainy days, and a total of 46.7 mm of precipitation.
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Temperatures
Rain 🌧️
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17
Dry days
13
Rainy days
0
Snow days
16°/12°
Temperatures
26 km/h
Avg max wind
82 %
Avg humidity
Cornwall Weather June
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Temperatures trend during June in Cornwall
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June weather in Cornwall day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. |  Sunny | 15° /11° | 6.5 mm | 3 | |
| 2 Jun. |  Partly cloudy | 14° /11° | 1.4 mm | 4 | |
| 3 Jun. |  Patchy rain possible | 15° /11° | 2.4 mm | 4 | |
| 4 Jun. |  Moderate rain | 14° /12° | 6.8 mm | 5.8 | |
| 5 Jun. | Patchy rain possible | 15° /11° | 2.2 mm | 6.4 | |
| 6 Jun. | Moderate rain | 14° /12° | 10.2 mm | 2.6 | |
| 7 Jun. | Patchy rain possible | 16° /12° | 1.6 mm | 4.7 | |
| 8 Jun. | Moderate rain | 14° /12° | 10.1 mm | 3 | |
| 9 Jun. | Patchy rain possible | 14° /11° | 0.9 mm | 3 | |
| 10 Jun. | Patchy rain possible | 15° /12° | 1.3 mm | 3 | |
| 11 Jun. | Patchy rain possible | 16° /12° | 0.2 mm | 3 | |
| 12 Jun. | Patchy rain possible | 16° /12° | 0.5 mm | 3 | |
| 13 Jun. | Partly cloudy | 17° /11° | 0.1 mm | 4 | |
| 14 Jun. | Patchy rain possible | 16° /13° | 0.1 mm | 3 | |
| 15 Jun. | Patchy rain possible | 16° /12° | 1.1 mm | 3 | |
| 16 Jun. | Patchy rain possible | 17° /14° | 0.2 mm | 4 | |
| 17 Jun. | Sunny | 17° /14° | 0 mm | 5 | |
| 18 Jun. |  Overcast | 16° /12° | 0 mm | 5 | |
| 19 Jun. | Patchy rain possible | 18° /13° | 0.1 mm | 5 | |
| 20 Jun. | Patchy rain possible | 18° /13° | 0.2 mm | 5 | |
| 21 Jun. |  Light rain | 17° /13° | 3.8 mm | 4 | |
| 22 Jun. | Patchy rain possible | 16° /13° | 0.5 mm | 4 | |
| 23 Jun. | Patchy rain possible | 16° /13° | 0.6 mm | 4 | |
| 24 Jun. | Patchy rain possible | 18° /14° | 0.3 mm | 4 | |
| 25 Jun. | Patchy rain possible | 18° /13° | 3.7 mm | 4 | |
| 26 Jun. | Patchy rain possible | 17° /14° | 1 mm | 4 | |
| 27 Jun. | Patchy rain possible | 18° /13° | 0.3 mm | 5 | |
| 28 Jun. | Patchy rain possible | 17° /14° | 0.2 mm | 4 | |
| 29 Jun. | Overcast | 18° /13° | 0 mm | 5 | |
| 30 Jun. | Patchy rain possible | 18° /14° | 0.1 mm | 5 | |
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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.
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Cornwall in June - FAQ
What are the expected maximum and minimum temperatures in Cornwall during June?
Enjoy moderate daytime temperatures of up to 16° 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?
In June, Cornwall can expect light to moderate rainfall, totaling 46.7 mm across approximately 13 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Cornwall during June?
The average wind speed in Cornwall during June is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
Cornwall water temperatures in June
The average water temperature of the Atlantic Ocean near Cornwall in June is 12.1 °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 12.1 °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
Explore the daily rainfall trends and prepare for Cornwalls June weather 💧
Typically, Cornwall has 13 rainy days in June with a total of 46.7 mm of rainfall.
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