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
May's onset witnesses a shift in the average high-temperature, moving from a cool 50.9°F (10.5°C) in April to a refreshing 62.8°F (17.1°C). May brings an average low-temperature of 44.6°F (7°C) to South Casco.Humidity
In South Casco, the average relative humidity in May is 79%.Rainfall
In South Casco, in May, during 13.1 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In South Casco, Maine, during the entire year, the rain falls for 121.1 days and collects up to 16.3" (414mm) of precipitation.Snowfall
Months with snowfall in South Casco are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, South Casco aggregates 0.12" (3mm) of snow. Throughout the year, in South Casco, there are 31.3 snowfall days, and 12.76" (324mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 46min.On the first day of the month, sunrise is at 5:32 am and sunset at 7:45 pm. On the last day of May, sunrise is at 5:02 am and sunset at 8:17 pm EDT.
Sunshine
In South Casco, the average sunshine in May is 8h.UV index
In South Casco, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | 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?
How many hours of daylight does South Casco have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
South Casco, ME
- Average high temperature in May: 62.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in May: 44.6°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
South Casco, 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
South Casco, ME
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
South Casco, ME
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
South Casco, ME
- Average rainfall in May: 1.38"
The wettest months (with the highest rainfall) are June and October (1.77").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in May
South Casco, ME
- Average rainfall days in May: 13.1 days
The months with the highest number of rainy days are June and July (14.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in May
South Casco, ME
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
South Casco, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
South Casco, ME
- Average daylight in May: 14h and 5min
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: 8h and 0min
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 48min).
Average sunshine days in May
South Casco, ME
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in May
South Casco, 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 Casco, ME
- Average cloud cover in May: 48
The months with the most cloud cover are February and March (Cloud cover 50).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in May
South Casco, ME
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
South Casco, Maine, USA
Weather forecast for your location
2. Allow the app to use your location