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
The onset of May brings a temperature shift, with the average high-temperature moving from a chilly 49.1°F (9.5°C) in April to an enjoyable 62.6°F (17°C). During the month of May, the nighttime temperature falls to an average of 42.6°F (5.9°C).Humidity
The least humid month is May, with an average relative humidity of 75%.Rainfall
In Howland, in May, during 11.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 105.2 rainfall days, and 12.4" (315mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Howland aggregates 0.2" (5mm) of snow. Throughout the year, there are 50.6 snowfall days, and 15.59" (396mm) of snow is accumulated.Daylight
In Howland, the average length of the day in May is 14h and 54min.On the first day of May, sunrise is at 5:22 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 4:50 am and sunset at 8:14 pm EDT.
Sunshine
In May, the average sunshine is 7.8h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during May translates into the following guidance:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the least humid month?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May in Howland?
What is the UV index reading in May in Howland?
Average temperature in May
Howland, ME
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in May: 42.6°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 (11.3°F).
Average pressure in May
Howland, ME
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are September and November (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Howland, ME
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Howland, ME
- Average humidity in May: 75%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in May
Howland, ME
- Average rainfall in May: 1.14"
The wettest month (with the highest rainfall) is April (1.38").
The driest months (with the least rainfall) are March, July and September (0.75").
Average rainfall days in May
Howland, ME
- Average rainfall days in May: 11.6 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in May
Howland, ME
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Howland, ME
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Howland, ME
- Average daylight in May: 14h and 5min
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 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 30min).
Average sunshine days in May
Howland, ME
- Average sunshine days in May: 17.3 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (14.8 days).
Average UV index in May
Howland, 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
Howland, ME
- Average cloud cover in May: 51
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in May
Howland, 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).
Howland, Maine, USA
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