May weather forecastPeru, ME
May
Weather in May
The last month of the spring, May, is a refreshing month in Peru, Maine, with an average temperature fluctuating between 41.9°F (5.5°C) and 62.6°F (17°C).Temperature
May's onset brings a noticeable temperature rise, soaring from a chilly 47.7°F (8.7°C) in April to an enjoyable 62.6°F (17°C). Nighttime temperatures hover around an average low of 41.9°F (5.5°C) in May.Humidity
May and November, with an average relative humidity of 76%, are the least humid months.Rainfall
In Peru, Maine, during May, the rain falls for 15.4 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 146.3 rainfall days, and 28.31" (719mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Peru aggregates 0.31" (8mm) of snow. Throughout the year, there are 69.3 snowfall days, and 48.15" (1223mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 49min.On the first day of the month, sunrise is at 5:30 am and sunset at 7:46 pm. On the last day of May, sunrise is at 4:59 am and sunset at 8:18 pm EDT.
Sunshine
In May, the average sunshine is 7.7h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Peru, ME
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in May: 41.9°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in May
Peru, ME
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Peru, ME
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Peru, ME
- Average humidity in May: 76%
The months with the highest relative humidity are January, February and March (86%).
The months with the lowest relative humidity are May and November (76%).
Average rainfall in May
Peru, ME
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days in May
Peru, ME
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in May
Peru, ME
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (12.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Peru, ME
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Peru, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in May
Peru, ME
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).
Average UV index in May
Peru, 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 February and December (UV index 1).
Average cloud cover in May
Peru, ME
- Average cloud cover in May: 52
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in May
Peru, ME
- Average visibility in May: 5mi
The months with the highest visibility are May, June, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, July, August and September (4mi).
