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Weather in Cornwall for October 2025

Your guide to Cornwall weather in October - trends and predictions
  • In general, the average temperature in Cornwall at the beginning of October is 21.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.7 °C by the end of October.

  • Expect significant rainfall in Cornwall during October, with an average of 16 rainy days.

  • With an average of 2 snowy days, Cornwall enjoys a light touch of snow in October.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
13
Dry days
Average rainy days
16
Rainy days
Average snowy days
2
Snow days
Average temperatures
16°/7°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Cornwall in October average weather

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Temperatures trend during October in Cornwall

See the weather trend as well as the moving average line

October weather day by day

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Date Weather Temperatures Rain Snow More
1 Oct. Mist
Mist
23° /9° 0 mm 0 cm
2 Oct. Mist
Mist
21° /12° 6.1 mm 0 cm
3 Oct. Cloudy
Cloudy
25° /11° 0 mm 0 cm
4 Oct. Mist
Mist
26° /14° 0 mm 0 cm
5 Oct. Overcast
Overcast
23° /12° 4.7 mm 0 cm
6 Oct. Light rain shower
Light rain shower
20° /10° 2.2 mm 0 cm
7 Oct. Light rain shower
Light rain shower
15° /9° 67.7 mm 0 cm
8 Oct. Patchy rain possible
Patchy rain possible
12° /5° 0.5 mm 0 cm
9 Oct. Light rain shower
Light rain shower
12° /4° 3.3 mm 0 cm
10 Oct. Light drizzle
Light drizzle
12° /6° 3.4 mm 0 cm
11 Oct. Light rain shower
Light rain shower
13° /4° 3 mm 0 cm
12 Oct. Fog
Fog
13° /5° 5.3 mm 0 cm
13 Oct. Patchy rain possible
Patchy rain possible
11° /3° 0.1 mm 0 cm
14 Oct. Patchy rain possible
Patchy rain possible
11° /3° 0 mm 0 cm
15 Oct. Patchy rain possible
Patchy rain possible
8° /3° 0.7 mm 0 cm
16 Oct. Patchy rain possible
Patchy rain possible
12° /5° 0.2 mm 0 cm
17 Oct. Patchy rain possible
Patchy rain possible
14° /4° 0.1 mm 0 cm
18 Oct. Mist
Mist
15° /4° 0 mm 0 cm
19 Oct. Overcast
Overcast
15° /5° 0 mm 0 cm
20 Oct. Light drizzle
Light drizzle
18° /9° 0.7 mm 0 cm
21 Oct. Light rain shower
Light rain shower
18° /10° 15.9 mm 0 cm
22 Oct. Light rain
Light rain
15° /6° 7.7 mm 0 cm
23 Oct. Overcast
Overcast
15° /7° 3.9 mm 0 cm
24 Oct. Overcast
Overcast
12° /3° 5.2 mm 0 cm
25 Oct. Light rain shower
Light rain shower
15° /5° 1.2 mm 0 cm
26 Oct. Light drizzle
Light drizzle
14° /8° 2.6 mm 0 cm
27 Oct. Light rain shower
Light rain shower
13° /7° 1.1 mm 0 cm
28 Oct. Light rain shower
Light rain shower
12° /1° 0.3 mm 0 cm
29 Oct. Patchy rain possible
Patchy rain possible
9° /1° 2.5 mm 0 cm
30 Oct. Moderate or heavy snow showers
Moderate or heavy snow showers
12° /5° 5 mm 2.7 cm
31 Oct. Overcast
Overcast
14° /6° 0.3 mm 0 cm
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Important Notice
Our weather forecast for Cornwall in October 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 October - FAQ

What are the expected maximum and minimum temperatures in Cornwall during October?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cornwall during October?
Significant rainfall exceeding 197.1 mm is expected in Cornwall during October, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Cornwall during October?
Cornwall experiences an average snowfall of 5.5 cm during October, occurring over 2 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Cornwall during October?
The average wind speed in Cornwall during October is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Cornwall

Explore the daily rainfall trends and prepare for Cornwalls October weather 💧

October snowfall in Cornwall

Track daily snowfall levels and discover Cornwall’s snowy potential this October ❄️

UV exposure in Cornwall during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

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Location coordinates 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.

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