Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May brings a change in Biddeford's weather, with average high-temperatures moving from April's chilly 49.8°F (9.9°C) to a mild 59.9°F (15.5°C). During the nights in May, Biddeford experiences a consistent average temperature of 46.4°F (8°C).Humidity
In May, the average relative humidity in Biddeford is 80%.Rainfall
In May, the rain falls for 13.9 days. Throughout May, 2.32" (59mm) of precipitation is accumulated. In Biddeford, Maine, during the entire year, the rain falls for 133.9 days and collects up to 27.44" (697mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Biddeford aggregates 0.2" (5mm) of snow. In Biddeford, during the entire year, snow falls for 33.7 days and aggregates up to 18.94" (481mm) of snow.Daylight
The average length of the day in May is 14h and 43min.On the first day of May, sunrise is at 5:33 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:03 am and sunset at 8:15 pm EDT.
Sunshine
In Biddeford, the average sunshine in May is 7.9h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows in Biddeford?
What is the average length of the day in May?
When is the sunrise / sunset in May in Biddeford?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Biddeford, ME
- Average high temperature in May: 59.9°F
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in May: 46.4°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Biddeford, ME
- Average pressure in May: 29.99"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Biddeford, ME
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in May
Biddeford, ME
- Average humidity in May: 80%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall in May
Biddeford, ME
- Average rainfall in May: 2.32"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in May
Biddeford, ME
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in May
Biddeford, ME
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Biddeford, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Biddeford, ME
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in May
Biddeford, ME
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (12.9 days).
Average UV index in May
Biddeford, ME
- Average UV index in May: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Biddeford, ME
- Average cloud cover in May: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Biddeford, ME
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Biddeford, Maine, USA
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