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 an exceptionally high level of rainfall in July, with more than 20 rainy days on average.
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9
Dry days
22
Rainy days
0
Snow days
27°/17°
Temperatures
13 km/h
Avg max wind
80 %
Avg humidity
Cornwall in July average weather
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| 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° |
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Temperatures trend during July in Cornwall
See the weather trend as well as the moving average line
July weather day by day
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| 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 | |
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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.
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 27° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cornwall during July?
Significant rainfall exceeding 160.4 mm is expected in Cornwall during July, occurring over more than 22 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 13 km/h, suggesting breezy to windy conditions, depending on your activities.
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