May weather forecastCorunna, MI
May
Weather in May
The last month of the spring, May, is an enjoyable month in Corunna, Michigan, with an average temperature fluctuating between 66.7°F (19.3°C) and 47.8°F (8.8°C).Temperature
The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a fresh 53.6°F (12°C) in April to an enjoyable 66.7°F (19.3°C). Throughout the month of May, Corunna witnesses an average temperature of 47.8°F (8.8°C).Humidity
In May, the average relative humidity is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 16.1 days and accumulates 2.52" (64mm) of precipitation.Snowfall
In Corunna, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 40min.On the first day of the month, sunrise is at 6:29 am and sunset at 8:37 pm. On the last day of May, sunrise is at 6:00 am and sunset at 9:08 pm EDT.
Sunshine
The average sunshine in May is 8.3h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 5 suggests these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Corunna, MI
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in May
Corunna, MI
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Corunna, MI
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
Corunna, MI
- Average humidity in May: 78%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Corunna, MI
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is May (2.52").
The driest months (with the least rainfall) are March, November and December (1.18").
Average rainfall days in May
Corunna, MI
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (5 days).
Average snowfall in May
Corunna, MI
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Corunna, MI
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Corunna, MI
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in May
Corunna, MI
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in May
Corunna, MI
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Corunna, MI
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Corunna, MI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, October and November (6mi).
The months with the lowest visibility are January, February, August, September and December (5mi).





