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
May's arrival brings a temperature shift, moving from a chilly 49.6°F (9.8°C) in April to a refreshing 63.1°F (17.3°C). Vienna, during May, witnesses an average low-temperature of 43.2°F (6.2°C).Humidity
In May, the average relative humidity is 78%.Rainfall
In Vienna, in May, during 16 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Vienna, there are 142.5 rainfall days, and 30.47" (774mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Vienna aggregates 0.71" (18mm) of snow. In Vienna, during the entire year, snow falls for 54.3 days and aggregates up to 40.87" (1038mm) of snow.Daylight
In Vienna, the average length of the day in May is 14h and 49min.On the first day of May, sunrise is at 5:29 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 4:58 am and sunset at 8:17 pm EDT.
Sunshine
In May, the average sunshine is 7.6h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during May leads to these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Vienna have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Vienna have in May?
How high is the UV index in May?
Average temperature in May
Vienna, ME
- Average high temperature in May: 63.1°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in May: 43.2°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in May
Vienna, ME
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Vienna, ME
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Vienna, ME
- Average humidity in May: 78%
The months with the highest relative humidity are February and March (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Vienna, ME
- Average rainfall in May: 2.36"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in May
Vienna, ME
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in May
Vienna, ME
- Average snowfall in May: 0.71"
The month with the highest snowfall is February (9.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Vienna, ME
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Vienna, 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 4min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in May
Vienna, ME
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is September (17.6 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in May
Vienna, 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
Vienna, ME
- Average cloud cover in May: 51
The months with the most cloud cover are February, March and April (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in May
Vienna, ME
- Average visibility in May: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).
Vienna, Maine, USA
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