Cornwall Weather in May
In Cornwall, May brings moderate daytime temperatures around 15°C (59°F), with nights cooling to 6°C (43°F). Expect quite a bit of rainfall this month.
Rainfall in Cornwall in May
The climate data from previous years indicates about 14 days of rain, averaging 82 mm (3.2 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Cornwall in May
Expect highs of 15°C (59°F) in Cornwall in May, with nights dropping to around 6°C (43°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Cornwall in May
Enjoy a sunny month with about 199 hours of sunshine, making it one of the brighter months of the year despite the cool conditions.For Cornwall itself, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 May
Min Temperature
6°C (43°F)
Max Temperature
15°C (59°F)
Chance of Rain
47%
Precipitation
82 mm (3.2 in)
Rainy days
14 days
Sunshine
199 hours *
Percentage Sunshine
43% *
Best Places in Canada in May
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in May →
perfect weather
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unpleasant
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What to Wear in Cornwall in May
The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Cornwall in May
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.
