Cornwall (St Ives)
July
Weather in Cornwall for July 2027
Your guide to Cornwall weather in July - trends and predictions
In general, the average temperature in Cornwall at the beginning of July is 16.8 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.5 °C by the end of July.
Cornwall experiences moderate rainfall in July, with an average of 8 rainy days and a total precipitation of 39.1 mm.
Is July a good time to visit Cornwall? check out the best time to travel to Cornwall page.
✨ Is July a good time to visit Cornwall? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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23
Dry days
8
Rainy days
0
Snow days
18°/15°
Temperatures
25 km/h
Avg max wind
81 %
Avg humidity
Cornwall Weather July
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Temperatures trend during July in Cornwall
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July weather in Cornwall day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. |  Patchy rain possible | 17° /14° | 0.3 mm | 5 | |
| 2 Jul. | Patchy rain possible | 16° /13° | 0.5 mm | 5 | |
| 3 Jul. | Patchy rain possible | 16° /13° | 0.2 mm | 6 | |
| 4 Jul. |  Cloudy | 17° /14° | 0.4 mm | 5 | |
| 5 Jul. |  Light rain | 17° /14° | 4.7 mm | 6 | |
| 6 Jul. | Patchy light drizzle | 18° /13° | 1.4 mm | 6 | |
| 7 Jul. | Light rain shower | 17° /13° | 1.7 mm | 6 | |
| 8 Jul. |  Heavy rain | 17° /13° | 8.6 mm | 6 | |
| 9 Jul. | Patchy rain possible | 19° /14° | 0.2 mm | 6 | |
| 10 Jul. |  Sunny | 21° /15° | 0.1 mm | 6 | |
| 11 Jul. | Sunny | 22° /16° | 0 mm | 6 | |
| 12 Jul. | Light rain shower | 21° /16° | 1.9 mm | 6 | |
| 13 Jul. | Patchy rain possible | 20° /16° | 0.7 mm | 6 | |
| 14 Jul. | Patchy rain possible | 19° /15° | 0.7 mm | 6 | |
| 15 Jul. | Light rain shower | 19° /15° | 1.2 mm | 6 | |
| 16 Jul. | Patchy rain possible | 19° /16° | 1.3 mm | 6 | |
| 17 Jul. | Cloudy | 20° /15° | 0.2 mm | 6 | |
| 18 Jul. | Cloudy | 19° /15° | 0.1 mm | 6 | |
| 19 Jul. | Patchy rain possible | 19° /15° | 1 mm | 6 | |
| 20 Jul. | Light rain | 18° /15° | 7 mm | 6 | |
| 21 Jul. | Patchy rain possible | 17° /14° | 0.7 mm | 5 | |
| 22 Jul. | Patchy rain possible | 18° /15° | 0.7 mm | 5 | |
| 23 Jul. | Patchy rain possible | 18° /15° | 0.4 mm | 5 | |
| 24 Jul. | Light rain | 18° /15° | 0.5 mm | 5 | |
| 25 Jul. | Light rain shower | 18° /15° | 1.2 mm | 5 | |
| 26 Jul. | Patchy rain possible | 18° /15° | 1.1 mm | 3 | |
| 27 Jul. | Patchy rain possible | 18° /15° | 0.6 mm | 5 | |
| 28 Jul. | Patchy rain possible | 19° /15° | 0.1 mm | 6 | |
| 29 Jul. |  Overcast | 19° /15° | 0.9 mm | 5 | |
| 30 Jul. | Cloudy | 18° /15° | 0.6 mm | 5 | |
| 31 Jul. | Sunny | 19° /15° | 0.4 mm | 6 | |
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Important Notice
Our weather forecast for Cornwall in July 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.
Change Month
Cornwall in July - FAQ
What are the expected maximum and minimum temperatures in Cornwall during July?
During July, expect a variety of temperatures with highs around 18° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cornwall during July?
In July, Cornwall can expect light to moderate rainfall, totaling 39.1 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Cornwall during July?
The average wind speed in Cornwall during July is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
Cornwall water temperatures in July
The average water temperature of the Atlantic Ocean near Cornwall in July is 15.7 °C. At the beginning of July temperatures are around 15.4 °C; by the end of the month they get a bit warmer and reach 16 °C.
- What is the water temperature in Cornwall in July?
- The average water temperature in Cornwall in July is 15.7 °C.
- Can you swim in Cornwall in July?
- Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.
July rainfall patterns in Cornwall
Explore the daily rainfall trends and prepare for Cornwalls July weather 💧
Typically, Cornwall has 8 rainy days in July with a total of 39.1 mm of rainfall.
UV exposure in Cornwall during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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