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
As May arrives, Orono's weather shows an increase in high-temperatures, moving from April's chilly 49.8°F (9.9°C) to a refreshing 62.4°F (16.9°C). Nighttime temperature dips to a mean of 43.2°F (6.2°C) during May.Humidity
May is the least humid month in Orono, with an average relative humidity of 76%.Rainfall
In Orono, during May, the rain falls for 16.6 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Orono, during the entire year, the rain falls for 148.7 days and collects up to 29.84" (758mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Orono, Maine. May is the last month it regularly snows in Orono. During 0.1 snowfall days, in May, Orono aggregates 0.63" (16mm) of snow. In Orono, during the entire year, snow falls for 61.1 days and aggregates up to 36.34" (923mm) of snow.Daylight
In Orono, the average length of the day in May is 14h and 52min.On the first day of May in Orono, sunrise is at 5:22 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 4:51 am and sunset at 8:13 pm EDT.
Sunshine
In Orono, the average sunshine in May is 7.8h.UV index
In May, the average daily maximum UV index in Orono is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are May temperatures in Orono?
What is the least humid month in Orono?
What is the average humidity in May in Orono?
How many days does it rain in May in Orono?
What is the last month it snows in Orono?
What is the average length of the day in May in Orono?
When are sunrise and sunset in May in Orono?
How many hours of sunshine does Orono have in May?
What is the UV index reading in May in Orono?
Average temperature in May
Orono, ME
- Average high temperature in May: 62.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in May: 43.2°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in May
Orono, 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 (29.91"Hg).
Average wind speed in May
Orono, ME
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Orono, ME
- Average humidity in May: 76%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in May
Orono, ME
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.61").
Average rainfall days in May
Orono, ME
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in May
Orono, ME
- Average snowfall in May: 0.63"
The month with the highest snowfall is January (8.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Orono, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Orono, ME
- Average daylight in May: 14h and 5min
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 5min
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 54min).
Average sunshine days in May
Orono, ME
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (10.1 days).
Average UV index in May
Orono, 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, November and December (UV index 2).
Average cloud cover in May
Orono, ME
- Average cloud cover in May: 51
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in May
Orono, ME
- Average visibility in May: 5mi
The month with the highest visibility is October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (5mi).
Orono, Maine, USA
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