Castilly Weather in May

With daytime temperatures of 18°C (64°F) and nighttime lows of 10°C (50°F), May in Castilly brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 64 mm (2.5 in) falls on average.

Rainfall in Castilly in May

Typically, about 14 days will experience rainfall, with an average of 64 mm (2.5 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 Castilly in May

Temperatures in Castilly in May top out at 18°C (64°F) and drop to 10°C (50°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows of 10°C (50°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Castilly in May

Expect sunny days throughout the month, with an estimated 195 hours of sunshine. This makes it a pleasant time to visit Castilly.

For Castilly itself, June, July, August and September 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.