Cornwall Weather in October

Cornwall in October sees moderate daytime temperatures of 14°C (57°F) and nighttime lows of 5°C (41°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in Cornwall in October

This month sees the most rain, so carrying an umbrella will ensure you stay dry. You can expect rain on roughly 16 days based on historical data, averaging 115 mm (4.5 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Cornwall in October

Temperatures in Cornwall in October top out at 14°C (57°F) and drop to 5°C (41°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, July, August and September typically offer the best weather for Cornwall.