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 in Ann Arbor shows a rise in the average high-temperature, moving from April's fresh 54.3°F (12.4°C) to a refreshing 67.6°F (19.8°C). Throughout May, Ann Arbor's nights cool down to an average of 49.8°F (9.9°C).Humidity
The average relative humidity in May in Ann Arbor is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.2 days and typically aggregates up to 2.4" (61mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Ann Arbor aggregates 0.08" (2mm) of snow. Throughout the year, there are 45 snowfall days, and 9.69" (246mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 37min.On the first day of the month, sunrise is at 6:29 am and sunset at 8:34 pm. On the last day of May, sunrise is at 6:00 am and sunset at 9:04 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In Ann Arbor, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 5 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. To guard against the harmful effects of the Sun, minimize exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Ann Arbor have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Ann Arbor have in May?
How high is the UV index in May?
Average temperature in May
Ann Arbor, MI
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in May: 49.8°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in May
Ann Arbor, MI
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Ann Arbor, MI
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in May
Ann Arbor, MI
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Ann Arbor, MI
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in May
Ann Arbor, MI
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in May
Ann Arbor, MI
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Ann Arbor, MI
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Ann Arbor, MI
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Ann Arbor, MI
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in May
Ann Arbor, MI
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Ann Arbor, MI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in May
Ann Arbor, MI
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Ann Arbor, Michigan, USA
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