May weather forecastSouth Dover, ME
May
Weather in May
The last month of the spring, May, is a refreshing month in South Dover, Maine, with an average temperature varying between 42.3°F (5.7°C) and 62.2°F (16.8°C).Temperature
An escalation in the average high-temperature is seen with the onset of May, moving from a chilly 48°F (8.9°C) in April to a comfortable 62.2°F (16.8°C). In May, South Dover experiences a temperature dip to an average of 42.3°F (5.7°C) at night.Humidity
The least humid month is May, with an average relative humidity of 76%.Rainfall
In May, the rain falls for 16.7 days. Throughout May, 2.72" (69mm) of precipitation is accumulated. Throughout the year, there are 154.3 rainfall days, and 32.68" (830mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, South Dover aggregates 0.28" (7mm) of snow. Throughout the year, there are 69.5 snowfall days, and 49.96" (1269mm) of snow is accumulated.Daylight
In South Dover, the average length of the day in May is 14h and 53min.On the first day of the month, sunrise is at 5:24 am and sunset at 7:42 pm. On the last day of May, sunrise is at 4:52 am and sunset at 8:16 pm EDT.
Sunshine
In May, the average sunshine is 7.8h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
South Dover, ME
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in May: 42.3°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
South Dover, ME
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
South Dover, ME
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
South Dover, ME
- Average humidity in May: 76%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (76%).
Average rainfall in May
South Dover, ME
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is July (1.89").
Average rainfall days in May
South Dover, ME
- Average rainfall days in May: 16.7 days
The months with the highest number of rainy days are May and July (16.7 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in May
South Dover, ME
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (11.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
South Dover, ME
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
South Dover, ME
- Average daylight in May: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 7h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in May
South Dover, ME
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in May
South Dover, 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
South Dover, ME
- Average cloud cover in May: 51
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 40).
Average visibility in May
South Dover, ME
- Average visibility in May: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
