Cornwall Weather in December
Cornwall in December sees low temperatures, with highs around 2°C (36°F) and overnight lows of -5°C (23°F). Rainfall is at its peak this month, around 118 mm (4.6 in) on average, so waterproofs are essential.
Rainfall in Cornwall in December
Being the wettest month, having an umbrella on standby can help you avoid getting caught in the rain. Looking at the last 30 years, the data shows about 19 days with snow/rain, averaging 118 mm (4.6 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Cornwall in December
December in Cornwall brings typical temperatures with highs around 2°C (36°F) and lows of -5°C (23°F). It stays very cold throughout much of the day, so warm winter clothing is essential. Nights drop below freezing to -5°C (23°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. The month brings very cold weather, so dressing warmly is essential. Prepare with multiple layers for added warmth.
Sunshine in Cornwall in December
The month is characterized by fewer sunny days, with roughly 77 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.December in Cornwall has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Cornwall's climate page.
Cornwall Temperature in December
Min Temperature
-5°C (23°F)
Max Temperature
2°C (36°F)
Chance of Rain
62%
Precipitation
118 mm (4.6 in)
Rainy days
19 days
Sunshine
77 hours *
Percentage Sunshine
28% *
Best Places in Canada in December
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in December →
perfect weather
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unpleasant
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What to Wear in Cornwall in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Cornwall in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Cornwall's climate page.
See the full Cornwall climate overview or explore weather in Canada.
