May weather forecastMonticello, ME
May
Weather in May
The last month of the spring, May, is a refreshing month in Monticello, Maine, with an average temperature ranging between max 60.8°F (16°C) and min 40.8°F (4.9°C).Temperature
As May arrives, Monticello's weather displays a notable increase in high-temperatures, climbing from April's frosty 45.9°F (7.7°C) to a refreshing 60.8°F (16°C). May sees the temperature falling to a mean low of 40.8°F (4.9°C).Humidity
The least humid month is May, with an average relative humidity of 76%.Rainfall
In Monticello, in May, it is raining for 16.9 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 147.4 rainfall days, and 31.81" (808mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Monticello aggregates 1.18" (30mm) of snow. Throughout the year, there are 88.2 snowfall days, and 62.83" (1596mm) of snow is accumulated.Daylight
The average length of the day in May is 15h and 1min.On the first day of May, sunrise is at 5:16 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 4:42 am and sunset at 8:15 pm EDT.
Sunshine
In Monticello, the average sunshine in May is 7.4h.UV index
In Monticello, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Monticello, ME
- Average high temperature in May: 60.8°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (21.9°F).
- Average low temperature in May: 40.8°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in May
Monticello, ME
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Monticello, ME
- Average wind speed in May: 7.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in May
Monticello, ME
- Average humidity in May: 76%
The months with the highest relative humidity are January, February and March (91%).
The month with the lowest relative humidity is May (76%).
Average rainfall in May
Monticello, ME
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (2.17").
Average rainfall days in May
Monticello, ME
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in May
Monticello, ME
- Average snowfall in May: 1.18"
The months with the highest snowfall are January and February (13.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Monticello, ME
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is February (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Monticello, ME
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 7h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in May
Monticello, ME
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is April (8.7 days).
Average UV index in May
Monticello, ME
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in May
Monticello, ME
- Average cloud cover in May: 53
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in May
Monticello, ME
- Average visibility in May: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
