Biddeford Weather in May

May in Biddeford sees daytime temperatures around 19°C (66°F) and lows of 8°C (46°F) at night. With around 100 mm (3.9 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Biddeford in May

You can expect rain on around 13 days based on historical patterns, with 100 mm (3.9 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Biddeford in May

May in Biddeford brings pleasant temperatures, with highs of 19°C (66°F) and nights around 8°C (46°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Biddeford in May

Expect sunny days throughout the month, with an estimated 244 hours of sunshine. This makes it a pleasant time to visit Biddeford.

Average water temperature in May

At 8°C (46°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.

For Biddeford itself, September generally stands 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.

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Biddeford Temperature in May

Min Temperature 8°C (46°F)  

Max Temperature 19°C (66°F)  

Water Temperature 8°C (46°F) *  

Chance of Rain 43%  

Precipitation 100 mm (3.9 in)  

Rainy days 13 days  

Humidity 71% *  

Sunshine 244 hours *  

Percentage Sunshine 53% *  

* Data from: Portland, the United States of America (24 KM, 15 Miles).

What to Wear in Biddeford in May

For Biddeford 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. With water temperatures around 8°C (46°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Biddeford in May

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

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

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 the United States of America, check out our Biddeford's climate page.

More climate data for Biddeford

Temperature Rainfall Sunshine Humidity Water Temp

See the full Biddeford climate overview or explore weather in the United States of America.