Cornwall Weather in May
May is one of the perfect months to visit Cornwall, with daytime temperatures of 20°C (68°F) and lows of 9°C (48°F) at night. Do note that quite a bit of rainfall is typical, averaging around 81 mm (3.2 in).
Rainfall in Cornwall in May
You can typically expect 13 days of rain this month, averaging around 81 mm (3.2 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Cornwall in May
May is a good time to be in Cornwall. Days are perfect, reaching 20°C (68°F), with nights around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.So this is a great month to visit if you prefer dry days with pleasant temperatures.
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
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
44%
Precipitation
81 mm (3.2 in)
Rainy days
13 days
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
pleasant
tolerable
unpleasant
poor
What to Wear in Cornwall in May
For Cornwall in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.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.
