Cornwall
July
Weather in Cornwall for July 2025
Your guide to Cornwall weather in July - trends and predictions
In general, the average temperature in Cornwall at the beginning of July is 27.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.9 °C by the end of July.
Cornwall experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 142 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
8
Dry days
23
Rainy days
0
Snow days
26°/16°
Temperatures
14 km/h
Avg max wind
79 %
Avg humidity
Cornwall in July average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2 26° | 3  27° | 4  28° | 5 29° | 6  30° | |
| 7 27° | 8 28° | 9 28° | 10 22° | 11  28° | 12 26° | 13 28° |
| 14 27° | 15 29° | 16 25° | 17 27° | 18 24° | 19 25° | 20  27° |
| 21 23° | 22 25° | 23 26° | 24 27° | 25 24° | 26 27° | 27 26° |
| 28 29° | 29 25° | 30 27° | 31 23° |
You can click on date
Access Cornwall weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during July in Cornwall
See the weather trend as well as the moving average line
July weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. | Moderate or heavy rain shower | 25° /15° | 6.8 mm | 6 | |
| 2 Jul. | Moderate or heavy rain shower | 26° /14° | 2.1 mm | 7 | |
| 3 Jul. | Overcast | 27° /17° | 1 mm | 6 | |
| 4 Jul. | Patchy rain possible | 28° /18° | 3 mm | 6 | |
| 5 Jul. | Patchy rain possible | 29° /18° | 0.1 mm | 7 | |
| 6 Jul. | Partly cloudy | 30° /17° | 3.7 mm | 7 | |
| 7 Jul. | Moderate or heavy rain shower | 27° /19° | 6.3 mm | 6 | |
| 8 Jul. | Overcast | 28° /16° | 0 mm | 6 | |
| 9 Jul. | Patchy rain possible | 28° /17° | 1.1 mm | 6 | |
| 10 Jul. | Moderate or heavy rain shower | 22° /17° | 30.5 mm | 5 | |
| 11 Jul. | Heavy rain at times | 28° /16° | 5.3 mm | 7 | |
| 12 Jul. | Overcast | 26° /16° | 2.2 mm | 6 | |
| 13 Jul. | Moderate or heavy rain shower | 28° /16° | 8.3 mm | 6 | |
| 14 Jul. | Patchy rain possible | 27° /15° | 0.2 mm | 6 | |
| 15 Jul. | Overcast | 29° /16° | 4.3 mm | 7 | |
| 16 Jul. | Moderate or heavy rain shower | 25° /19° | 10.2 mm | 6 | |
| 17 Jul. | Patchy rain possible | 27° /17° | 2.5 mm | 6 | |
| 18 Jul. | Heavy rain at times | 24° /15° | 2.1 mm | 6 | |
| 19 Jul. | Overcast | 25° /13° | 0 mm | 6 | |
| 20 Jul. | Cloudy | 27° /14° | 0.5 mm | 6 | |
| 21 Jul. | Moderate or heavy rain shower | 23° /15° | 8.2 mm | 5 | |
| 22 Jul. | Patchy rain possible | 25° /13° | 0.9 mm | 6 | |
| 23 Jul. | Heavy rain at times | 26° /15° | 3.4 mm | 6 | |
| 24 Jul. | Moderate rain at times | 27° /15° | 8.1 mm | 6 | |
| 25 Jul. | Patchy rain possible | 24° /15° | 1.9 mm | 6 | |
| 26 Jul. | Patchy rain possible | 27° /14° | 0.1 mm | 6 | |
| 27 Jul. | Moderate or heavy rain shower | 26° /16° | 17.3 mm | 7 | |
| 28 Jul. | Patchy rain possible | 29° /16° | 1.5 mm | 7 | |
| 29 Jul. | Moderate rain at times | 25° /15° | 1.9 mm | 6 | |
| 30 Jul. | Patchy rain possible | 27° /14° | 0.6 mm | 6 | |
| 31 Jul. | Overcast | 23° /17° | 8.1 mm | 5 | |
| Next | |||||
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.
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 26° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cornwall during July?
Significant rainfall exceeding 142 mm is expected in Cornwall during July, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cornwall during July?
The average wind speed in Cornwall during July is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Cornwall
Explore the daily rainfall trends and prepare for Cornwalls July weather 💧
UV exposure in Cornwall during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
Quick links
You are here
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.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.