Cornwall
August
Weather in Cornwall for August 2027
Your guide to Cornwall weather in August - trends and predictions
In general, the average temperature in Cornwall at the beginning of August is 26 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.8 °C by the end of August.
The climate of Cornwall in August is notably wet, with an average of 15 rainy days, and a total of 207.6 mm of precipitation.
Is August a good time to visit Cornwall? check out the best time to travel to Cornwall page.
✨ Is August a good time to visit Cornwall? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
16
Dry days
15
Rainy days
0
Snow days
24°/14°
Temperatures
14 km/h
Avg max wind
78 %
Avg humidity
Cornwall Weather August
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Temperatures trend during August in Cornwall
See the weather trend as well as the moving average line
August weather in Cornwall day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 25° /15° | 0.4 mm | 7 | |
| 2 Aug. |  Light rain | 26° /14° | 6 mm | 7 | |
| 3 Aug. |  Moderate rain | 27° /17° | 12.7 mm | 7 | |
| 4 Aug. |  Heavy rain at times | 28° /17° | 6.1 mm | 7 | |
| 5 Aug. | Patchy rain possible | 25° /14° | 1.6 mm | 7 | |
| 6 Aug. | Patchy rain possible | 26° /14° | 1.8 mm | 7 | |
| 7 Aug. |  Moderate or heavy rain shower | 25° /15° | 7.7 mm | 7 | |
| 8 Aug. | Moderate rain | 26° /16° | 10.4 mm | 7 | |
| 9 Aug. | Moderate rain | 27° /17° | 20.1 mm | 7 | |
| 10 Aug. | Moderate rain | 28° /17° | 11.4 mm | 7 | |
| 11 Aug. | Patchy rain possible | 26° /16° | 1.8 mm | 7 | |
| 12 Aug. | Moderate or heavy rain shower | 26° /15° | 7.1 mm | 7 | |
| 13 Aug. | Moderate rain | 25° /16° | 18.2 mm | 6 | |
| 14 Aug. | Patchy rain possible | 25° /15° | 0.8 mm | 7 | |
| 15 Aug. | Patchy rain possible | 25° /13° | 0.3 mm | 7 | |
| 16 Aug. | Light rain | 27° /14° | 4.2 mm | 7 | |
| 17 Aug. | Light rain | 24° /17° | 5.3 mm | 5 | |
| 18 Aug. | Moderate rain | 23° /13° | 13.6 mm | 6 | |
| 19 Aug. | Moderate rain | 20° /12° | 19.5 mm | 4 | |
| 20 Aug. | Patchy rain possible | 22° /12° | 1.9 mm | 5 | |
| 21 Aug. | Light rain | 22° /12° | 2.6 mm | 6 | |
| 22 Aug. | Patchy rain possible | 23° /11° | 0.2 mm | 6 | |
| 23 Aug. |  Heavy rain | 25° /14° | 27.7 mm | 5 | |
| 24 Aug. | Light rain | 24° /14° | 4 mm | 5 | |
| 25 Aug. | Light rain | 21° /15° | 6.3 mm | 4 | |
| 26 Aug. | Light rain shower | 22° /14° | 2 mm | 6 | |
| 27 Aug. | Patchy rain possible | 23° /12° | 2.1 mm | 5 | |
| 28 Aug. |  Mist | 22° /13° | 0.6 mm | 6 | |
| 29 Aug. |  Sunny | 21° /10° | 0.6 mm | 6 | |
| 30 Aug. | Light rain | 21° /12° | 9.1 mm | 4 | |
| 31 Aug. | Patchy rain possible | 22° /12° | 1.3 mm | 4 | |
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Important Notice
Our weather forecast for Cornwall in August 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 August - FAQ
What are the expected maximum and minimum temperatures in Cornwall during August?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cornwall during August?
Significant rainfall exceeding 207.6 mm is expected in Cornwall during August, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cornwall during August?
The average wind speed in Cornwall during August is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Cornwall
Explore the daily rainfall trends and prepare for Cornwalls August weather 💧
Typically, Cornwall has 15 rainy days in August with a total of 207.6 mm of rainfall.
UV exposure in Cornwall during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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