May weather forecastWinterport, ME
May
Weather in May
The last month of the spring, May, is a refreshing month in Winterport, Maine, with an average temperature fluctuating between 61.2°F (16.2°C) and 43.5°F (6.4°C).Temperature
Winterport's transition into May is marked by a rise in the average high-temperature, advancing from a frosty 49.8°F (9.9°C) in April to a refreshing 61.2°F (16.2°C). During May, the nighttime temperature averages to a frosty 43.5°F (6.4°C).Humidity
The average relative humidity in May in Winterport is 78%.Rainfall
In Winterport, in May, it is raining for 15.9 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, in Winterport, there are 144.3 rainfall days, and 24.61" (625mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Winterport. During 0.1 snowfall days, in May, Winterport aggregates 0.35" (9mm) of snow. Throughout the year, in Winterport, there are 46.8 snowfall days, and 19.61" (498mm) of snow is accumulated.Ocean temperature
In Winterport, the average seawater temperature in May is 44.2°F (6.8°C).Note: Staying in 44.2°F (6.8°C) waters for just a few moments at 55.4°F (13°C) can be harrowing, and below 50°F (10°C) poses breathing and cold shock risks, depending on individual tolerance.
Daylight
The average length of the day in May is 14h and 50min.On the first day of May, sunrise is at 5:24 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 4:53 am and sunset at 8:13 pm EDT.
Sunshine
The average sunshine in May in Winterport is 7.7h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Exercise prevention - Warding off sunburn is urged. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Winterport, ME
- Average high temperature in May: 61.2°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in May: 43.5°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in May
Winterport, ME
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Winterport, ME
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Winterport, ME
- Average humidity in May: 78%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in May
Winterport, ME
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is July (1.42").
Average rainfall days in May
Winterport, ME
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in May
Winterport, ME
- Average snowfall in May: 0.35"
The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Winterport, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Winterport, ME
- Average sea temperature in May: 44.3°F
The best month for swimming (with the highest average sea temperature) is August (57.7°F).
The coldest month (with the lowest average sea temperature) is March (37.5°F).
Average daylight in May /
Average sunshine in May
Winterport, ME
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in May
Winterport, ME
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in May
Winterport, ME
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Winterport, ME
- Average cloud cover in May: 51
The months with the most cloud cover are February, March and April (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in May
Winterport, ME
- Average visibility in May: 5mi
The months with the highest visibility are October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August and September (5mi).
