Devon weather

Our guide to the weather in Devon during August

19

Average high

4

UV Index

78mm

Monthly rainfall

82%

Humidity

We've looked at the most up-to-date weather data for Devon, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Devon weather in August.

What's the temperature like in Devon during August?

The temperature reaches around 19℃ during the daytime in August, falling away to 13℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Devon during August?

On average, there will be 5 rainy days during the month, amounting to 77.7mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. You're not likely to see a thunderstorm during your trip.

Is it windy in Devon during August?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during August. With moderate air temperatures, any breeze will feel cool.

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Weather in Devon

Our month-by-month guide to the weather and climate in Devon

7.9

Devon weather in

January
8.3

Devon weather in

February
10.0

Devon weather in

March
12.2

Devon weather in

April
14.6

Devon weather in

May
17.5

Devon weather in

June
19.6

Devon weather in

July
19.4

Devon weather in

August
17.6

Devon weather in

September
14.6

Devon weather in

October
11.0

Devon weather in

November
8.9

Devon weather in

December