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
A rise in the average high-temperature is observed during May, moving from a wintry 41.7°F (5.4°C) in April to a fresh 54.3°F (12.4°C). During the nights in May, the temperature averages to a wintry 41°F (5°C).Humidity
May is the least humid month in Winona, with an average relative humidity of 75%.Rainfall
In Winona, Michigan, during May, the rain falls for 13.8 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 122.6 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Winona. May is the last month it regularly snows. During 1.2 snowfall days, in May, Winona aggregates 0.39" (10mm) of snow. In Winona, during the entire year, snow falls for 100.8 days and aggregates up to 33.98" (863mm) of snow.Daylight
In May, the average length of the day is 15h and 4min.On the first day of May, sunrise is at 6:38 am and sunset at 9:06 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 9:41 pm EDT.
Sunshine
In Winona, Michigan, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. 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 in Winona?
What is the least humid month in Winona?
What is the average humidity in May in Winona?
How much does it rain in Winona in May?
What is the last month it snows in Winona?
What is the average length of the day in May in Winona?
What time are sunrise and sunset in May in Winona?
How many hours of sunshine does Winona have in May?
What is the UV index reading in May in Winona?
Average temperature in May
Winona, MI
- Average high temperature in May: 54.3°F
The warmest month (with the highest average high temperature) is August (69.4°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in May: 41°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
Winona, MI
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Winona, MI
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in May
Winona, MI
- Average humidity in May: 75%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in May
Winona, MI
- Average rainfall in May: 2.17"
The wettest months (with the highest rainfall) are April, June, August and October (2.28").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in May
Winona, MI
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is October (14.6 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in May
Winona, MI
- Average snowfall in May: 0.39"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Winona, MI
- Average snowfall days in May: 1.2 days
The month with the highest number of snowfall days is January (22.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Winona, MI
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in May
Winona, MI
- Average sunshine days in May: 14.4 days
The month with the most sunshine days is July (15.5 days).
The month with the least sunshine days is January (5.6 days).
Average UV index in May
Winona, MI
- Average UV index in May: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Winona, MI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in May
Winona, MI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
Winona, Michigan, USA
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