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
South Lyon, Michigan, in May experiences an increase in the average high-temperature, moving from April's cool 54.3°F (12.4°C) to a refreshing 66.9°F (19.4°C). An average low-temperature of 48.9°F (9.4°C) marks the nights throughout May.Humidity
The average relative humidity in May in South Lyon is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 15.1 days and accumulates 1.54" (39mm) of precipitation.Snowfall
Months with snowfall in South Lyon are January through May, October through December. May is the last month it regularly snows in South Lyon. During 0.3 snowfall days, in May, South Lyon aggregates 0.08" (2mm) of snow. In South Lyon, during the entire year, snow falls for 46.7 days and aggregates up to 5.87" (149mm) of snow.Daylight
The average length of the day in May in South Lyon is 14h and 38min.On the first day of May in South Lyon, sunrise is at 6:28 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 9:04 pm EDT.
Sunshine
In South Lyon, Michigan, the average sunshine in May is 8.4h.UV index
In South Lyon, Michigan, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What are May temperatures in South Lyon?
What is the average humidity in May in South Lyon?
What is the wettest month in South Lyon?
How much does it rain in South Lyon in May?
What is the last month it snows in South Lyon?
How many hours of daylight does South Lyon have in May?
When are sunrise and sunset in May in South Lyon?
How many hours of sunshine does South Lyon have in May?
How high is the UV index in May in South Lyon?
Average temperature in May
South Lyon, MI
- Average high temperature in May: 66.9°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in May: 48.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in May
South Lyon, 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
South Lyon, 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 (6.5mph).
Average humidity in May
South Lyon, 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
South Lyon, MI
- Average rainfall in May: 1.54"
The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in May
South Lyon, MI
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in May
South Lyon, MI
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
South Lyon, MI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
South Lyon, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in May
South Lyon, MI
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in May
South Lyon, MI
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
South Lyon, MI
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
South Lyon, 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).
South Lyon, Michigan, USA
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