May weather forecastKeough, ME
May
Weather in May
May, the last month of the spring in Keough, is a mild month, with an average temperature ranging between min 40.5°F (4.7°C) and max 59.5°F (15.3°C).Temperature
Keough, Maine, sees a considerable increase in average high-temperatures during May, surging from a chilly 43.7°F (6.5°C) in April to a refreshing 59.5°F (15.3°C). An average low-temperature of 40.5°F (4.7°C) is anticipated throughout the nights during May.Humidity
With an average relative humidity of 76%, May is the least humid month.Rainfall
In Keough, in May, during 17.3 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Keough, during the entire year, the rain falls for 149.8 days and collects up to 32.24" (819mm) of precipitation.Snowfall
Months with snowfall in Keough are January through May, October through December. May is the last month it regularly snows in Keough. During 1.3 snowfall days, in May, Keough aggregates 1.77" (45mm) of snow. Throughout the year, there are 110.8 snowfall days, and 76.65" (1947mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 56min.On the first day of May in Keough, sunrise is at 5:28 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 4:56 am and sunset at 8:23 pm EDT.
Sunshine
In May, the average sunshine in Keough is 7.5h.UV index
The average daily maximum UV index in May in Keough is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Undertake precautions - Guarding against sun damage is counselled. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Keough, ME
- Average high temperature in May: 59.5°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in May: 40.5°F
The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in May
Keough, ME
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Keough, ME
- Average wind speed in May: 7.2mph
The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Keough, ME
- Average humidity in May: 76%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (76%).
Average rainfall in May
Keough, ME
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is February (2.17").
Average rainfall days in May
Keough, ME
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in May
Keough, ME
- Average snowfall in May: 1.77"
The month with the highest snowfall is February (14.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Keough, ME
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is February (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Keough, 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 30min
The months with the most sunshine are July and August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in May
Keough, ME
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in May
Keough, ME
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover in May
Keough, ME
- Average cloud cover in May: 53
The month with the most cloud cover is February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in May
Keough, ME
- Average visibility in May: 5mi
The months with the highest visibility are May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, March, April, August, September and December (4mi).
