Biddeford
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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.

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).

Biddeford Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Biddeford - and find the best time to visit.

Best Places in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Biddeford 3-Day Forecast

Popular in May

Where to go in May - average daytime high across popular destinations.

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