Cornwall Weather in October

October in Cornwall averages 14°C (57°F) during the day and 7°C (45°F) at night. Quite a bit of rainfall is typical this month, with around 106 mm (4.2 in) on average. An umbrella is a good idea.

Rainfall in Cornwall in October

You can expect rain on roughly 14 days based on historical data, averaging 106 mm (4.2 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Cornwall in October

October in Cornwall sees highs of 14°C (57°F) and lows of 7°C (45°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Cornwall in October

The area enjoys a moderate level of sunlight, with around 125 hours. It's a good balance between sunny and cloudy days.

If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Cornwall.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Cornwall's climate page.

Cornwall Temperature in October

Min Temperature 7°C (45°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 47%  

Precipitation 106 mm (4.2 in)  

Rainy days 14 days  

Sunshine 125 hours *  

Percentage Sunshine 37% *  

* Data from: Charlottetown, Canada (6 KM, 4 Miles).

What to Wear in Cornwall in October

The weather can swing between comfortable and chilly in October, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Cornwall in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Cornwall's climate page.

More climate data for Cornwall

Temperature Rainfall Sunshine

See the full Cornwall climate overview or explore weather in Canada.