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Weather in Cornwall for October 2025

Your guide to Cornwall weather in October - trends and predictions

    Official Weather Alert ⚠️

  • Weather Warning - See hour by hour.

    • Snow Forecast ❄️

  • Snowfall in Cornwall during October is quite rare, with fewer than 2 snowy days on average.
    According to Cornwall snow forecast for October 2025, no snow is expected until the end of the month.

    • Temperatures

  • Until now, October 2025 in Cornwall has been nearly identical to the historical average, with a temperature of 15.4 °C (showing only a slight deviation of -0.3 °C).

  • The forecast for the coming days of October 2025 predicts a temperature of 7.6 °C , which is warmer than usual.

  • In general, the average temperature in Cornwall at the beginning of October is 22.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 9.6 °C by the end of October.

    • Rain 🌧️

  • Cornwall in October brings notable rainfall, with an average of 16 rainy days and a total precipitation of 143.6 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
14
Dry days
Average rainy days
16
Rainy days
Average snowy days
1
Snow days
Average temperatures
15°/7°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Cornwall Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Mist
21°
2
Mist
20°
3
Cloudy
25°
4
Mist
26°
5
Overcast
25°
6
Light rain shower
23°
7
Light rain shower
17°
8
Patchy rain possible
13°
9
Light rain shower
12°
10
Light drizzle
13°
11
Overcast
15°
12
Fog
13°
13
Patchy rain possible
11°
14
Overcast
13°
15
Overcast
10°
16
Patchy rain possible
12°
17
Patchy rain possible
14°
18
Mist
15°
19
Overcast
19°
20
Light drizzle
18°
21
Overcast
17°
22
Light rain
14°
23
Overcast
14°
24
Overcast
11°
25
Overcast
13°
26
Light drizzle
12°
27
Overcast
11°
28
Light rain shower
11°
29
Patchy rain possible
9°
30
Weather Alert Moderate rain
5°
31
Heavy rain
6°

Temperatures trend during October in Cornwall

See the weather trend as well as the moving average line

October weather in Cornwall day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
1 Oct. Mist
Mist
 21° /7° 0 mm 5
2 Oct. Mist
Mist
 20° /9° 4 mm 5
3 Oct. Cloudy
Cloudy
 25° /10° 0 mm 6
4 Oct. Mist
Mist
 26° /14° 0 mm 6
5 Oct. Overcast
Overcast
 25° /13° 3.1 mm 6
6 Oct. Light rain shower
Light rain shower
 23° /12° 1.5 mm 5
7 Oct. Light rain shower
Light rain shower
 17° /10° 67.8 mm 4
8 Oct. Patchy rain possible
Patchy rain possible
 13° /5° 14.9 mm 3
9 Oct. Light rain shower
Light rain shower
 12° /3° 2.2 mm 3
10 Oct. Light drizzle
Light drizzle
 13° /4° 2.3 mm 4
11 Oct. Overcast
Overcast
 15° /5° 2 mm 4
12 Oct. Fog
Fog
 13° /4° 3.6 mm 3
13 Oct. Patchy rain possible
Patchy rain possible
 11° /4° 9.4 mm 3
14 Oct. Overcast
Overcast
 13° /5° 0 mm 3
15 Oct. Overcast
Overcast
 10° /3° 0.5 mm 3
16 Oct. Patchy rain possible
Patchy rain possible
 12° /4° 0.1 mm 3
17 Oct. Patchy rain possible
Patchy rain possible
 14° /3° 0.1 mm 3
18 Oct. Mist
Mist
 15° /4° 0 mm 4
19 Oct. Overcast
Overcast
 19° /6° 0 mm 4
20 Oct. Light drizzle
Light drizzle
 18° /10° 2.1 mm 4
21 Oct. Overcast
Overcast
 17° /9° 12.6 mm 4
22 Oct. Light rain
Light rain
 14° /6° 7.9 mm 3
23 Oct. Overcast
Overcast
 14° /7° 2.6 mm 3
24 Oct. Overcast
Overcast
 11° /3° 3.4 mm 3
25 Oct. Overcast
Overcast
 13° /4° 0.8 mm 3
26 Oct. Light drizzle
Light drizzle
 12° /6° 1.7 mm 3
27 Oct. Overcast
Overcast
 11° /6° 0.8 mm 3
28 Oct. Light rain shower
Light rain shower
 11° /1° 0.2 mm 3
29 Oct. Patchy rain possible
Patchy rain possible
 9° /1° 2.5 mm 3
30 Oct. Moderate rain
Moderate rain
 5° /1° 18 mm 0.2
31 Oct. Heavy rain
Heavy rain
 6° /2° 85.6 mm 0.1
Next
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.
Change Month
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Cornwall in October - FAQ

What are the expected maximum and minimum temperatures in Cornwall during October?
During October, expect a variety of temperatures with highs around 15° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cornwall during October?
Significant rainfall exceeding 143.6 mm is expected in Cornwall during October, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Cornwall in October 2025?
Cornwall typically sees 2.73 cm of snowfall during October.
What are the typical wind conditions in Cornwall during October?
The average wind speed in Cornwall during October is 17 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 💧

UV exposure in Cornwall during October

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

Quick links

More Cornwall weather pages
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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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