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
The shift into May is characterized by a rise in the average high-temperature, transitioning from April's cool 54.9°F (12.7°C) to an enjoyable 67.6°F (19.8°C). In May, Willis records an average nighttime temperature of 50.4°F (10.2°C).Humidity
In May, the average relative humidity is 77%.Rainfall
The month with the most rainfall in Willis is May, when the rain falls for 10.2 days and typically aggregates up to 0.75" (19mm) of precipitation.Snowfall
In Willis, snow does not fall in May through October.Daylight
In Willis, the average length of the day in May is 14h and 36min.On the first day of May in Willis, sunrise is at 6:28 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 9:03 pm EDT.
Sunshine
In May, the average sunshine in Willis is 8.7h.UV index
In May, the average daily maximum UV index in Willis is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. 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 is the average May temperature in Willis?
What is the average humidity in May in Willis?
What is the wettest month in Willis?
How much does it rain in Willis in May?
When it does not snow in Willis?
Does it snow in Willis in May?
What is the average length of the day in May in Willis?
When is the sunrise / sunset in May in Willis?
How long on average sun shines in May in Willis?
What is the UV index intensity in May in Willis?
Average temperature in May
Willis, MI
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in May: 50.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
Willis, MI
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Willis, MI
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in May
Willis, MI
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are March, April and October (76%).
Average rainfall in May
Willis, MI
- Average rainfall in May: 0.75"
The wettest month (with the highest rainfall) is May (0.75").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in May
Willis, MI
- Average rainfall days in May: 10.2 days
The months with the highest number of rainy days are April and May (10.2 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in May
Willis, MI
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Willis, MI
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Willis, 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 12min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Willis, MI
- Average sunshine days in May: 18 days
The month with the most sunshine days is December (23.6 days).
The month with the least sunshine days is April (17.4 days).
Average UV index in May
Willis, 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
Willis, MI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in May
Willis, MI
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Willis, Michigan, USA
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