Saint-Cast-le-Guildo Weather in May

Thinking of visiting Saint-Cast-le-Guildo in May? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 10°C (50°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Saint-Cast-le-Guildo in May

You can expect rain on roughly 15 days based on historical data, averaging 65 mm (2.6 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Saint-Cast-le-Guildo in May

May in Saint-Cast-le-Guildo brings typical temperatures with highs around 17°C (63°F) and lows of 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Saint-Cast-le-Guildo in May

The area enjoys a balanced 189 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Saint-Cast-le-Guildo.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Saint-Cast-le-Guildo's climate page.

Saint-Cast-le-Guildo Temperature in May

Min Temperature 10°C (50°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 48%  

Precipitation 65 mm (2.6 in)  

Rainy days 15 days  

Humidity 79% *  

Sunshine 189 hours *  

Percentage Sunshine *  

* Data from: Saint Malo, France (17 KM, 11 Miles).

What to Wear in Saint-Cast-le-Guildo in May

For Saint-Cast-le-Guildo 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. Rain is likely on several days, so bring a good rain jacket. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Saint-Cast-le-Guildo in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Saint-Cast-le-Guildo's climate page.

More climate data for Saint-Cast-le-Guildo

Temperature Rainfall Sunshine Humidity

See the full Saint-Cast-le-Guildo climate overview or explore weather in France.