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Weather in Cornwall for July 2025

Your guide to Cornwall weather in July - trends and predictions

    Temperatures

  • In general, the average temperature in Cornwall at the beginning of July is 14.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 17.7 °C by the end of July.

  • Rain 🌧️

  • Cornwall experiences moderate rainfall in July, with an average of 9 rainy days and a total precipitation of 71.5 mm.

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Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/13°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Cornwall Weather July

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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. Patchy rain possible
Patchy rain possible
15° /13° 0.8 mm 4
2 Jul. Patchy rain possible
Patchy rain possible
14° /12° 0.2 mm 3
3 Jul. Patchy rain possible
Patchy rain possible
15° /12° 0.7 mm 4
4 Jul. Patchy rain possible
Patchy rain possible
15° /13° 0.9 mm 4
5 Jul. Light rain shower
Light rain shower
15° /12° 9.9 mm 4
6 Jul. Light rain shower
Light rain shower
14° /11° 4.1 mm 3
7 Jul. Patchy light drizzle
Patchy light drizzle
15° /12° 4.3 mm 4
8 Jul. Heavy rain
Heavy rain
15° /11° 24.6 mm 4
9 Jul. Patchy rain possible
Patchy rain possible
16° /14° 0.5 mm 4
10 Jul. Partly cloudy
Partly cloudy
16° /13° 0.1 mm 5
11 Jul. Patchy rain possible
Patchy rain possible
15° /13° 0.2 mm 4
12 Jul. Light rain shower
Light rain shower
15° /12° 5.6 mm 4
13 Jul. Patchy rain possible
Patchy rain possible
15° /12° 0.8 mm 4
14 Jul. Patchy rain possible
Patchy rain possible
16° /12° 0.2 mm 4
15 Jul. Light rain shower
Light rain shower
18° /13° 2.5 mm 4
16 Jul. Patchy rain possible
Patchy rain possible
17° /13° 0.2 mm 4
17 Jul. Patchy rain possible
Patchy rain possible
17° /13° 0.1 mm 4
18 Jul. Overcast
Overcast
19° /13° 0 mm 4
19 Jul. Patchy rain possible
Patchy rain possible
19° /15° 0.2 mm 4
20 Jul. Light rain shower
Light rain shower
17° /15° 10.1 mm 4
21 Jul. Patchy rain possible
Patchy rain possible
16° /14° 0.3 mm 4
22 Jul. Patchy rain possible
Patchy rain possible
17° /15° 1.3 mm 4
23 Jul. Patchy rain possible
Patchy rain possible
16° /14° 0.1 mm 4
24 Jul. Light drizzle
Light drizzle
17° /14° 0.8 mm 4
25 Jul. Light rain shower
Light rain shower
17° /14° 2.2 mm 4
26 Jul. Patchy rain possible
Patchy rain possible
16° /14° 0.2 mm 4
27 Jul. Patchy rain possible
Patchy rain possible
16° /13° 0.6 mm 4
28 Jul. Sunny
Sunny
18° /13° 0 mm 5
29 Jul. Overcast
Overcast
18° /13° 0 mm 4
30 Jul. Partly cloudy
Partly cloudy
19° /14° 0 mm 5
31 Jul. Sunny
Sunny
20° /16° 0 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.

Cornwall in July - FAQ

What are the expected maximum and minimum temperatures in Cornwall during July?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cornwall during July?
Moderate rainfall is anticipated in Cornwall during July, with a total of 71.5 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cornwall during July?
The average wind speed in Cornwall during July is 23 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 💧
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Location coordinates Where is Cornwall?

Get accurate weather forecasts for Cornwall, located at latitude 50.416 and longitude -5.073. Stay updated with localized weather information tailored for Cornwall.

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