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
Harrison's May weather brings a rise in high-temperatures, moving from a frosty 49.8°F (9.9°C) in April to a refreshing 63.5°F (17.5°C). The average low-temperature during May nights is a chilly 43.2°F (6.2°C).Humidity
In May, the average relative humidity in Harrison is 77%.Rainfall
In Harrison, in May, during 15.1 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Harrison, during the entire year, the rain falls for 146 days and collects up to 27.91" (709mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Harrison. May is the last month it regularly snows in Harrison. During 0.3 snowfall days, in May, Harrison aggregates 0.35" (9mm) of snow. Throughout the year, in Harrison, there are 55.1 snowfall days, and 42.52" (1080mm) of snow is accumulated.Daylight
In Harrison, the average length of the day in May is 14h and 47min.On the first day of May, sunrise is at 5:32 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:02 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in May is 8.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Harrison in May?
What is the average humidity in May in Harrison?
How many days does it rain in May in Harrison?
What is the last month it snows in Harrison?
What is the average length of the day in May in Harrison?
What time are sunrise and sunset in May in Harrison?
How long on average sun shines in May in Harrison?
How high is the UV index in May in Harrison?
Average temperature in May
Harrison, ME
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in May: 43.2°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in May
Harrison, ME
- Average pressure in May: 29.98"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
Harrison, ME
- Average wind speed in May: 5.6mph
The windiest months (with the highest average wind speed) are January, March and April (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Harrison, ME
- Average humidity in May: 77%
The months with the highest relative humidity are January, February and March (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Harrison, ME
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in May
Harrison, ME
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in May
Harrison, ME
- Average snowfall in May: 0.35"
The month with the highest snowfall is February (10.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Harrison, ME
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Harrison, 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: 8h and 54min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Harrison, ME
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in May
Harrison, 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
Harrison, ME
- Average cloud cover in May: 48
The months with the most cloud cover are February, March and April (Cloud cover 50).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in May
Harrison, ME
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Harrison, Maine, USA
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