May weather forecastDeWitt, MI
May
Weather in May
The last month of the spring, May, is a comfortable month in DeWitt, Michigan, with an average temperature varying between 66.6°F (19.2°C) and 48.6°F (9.2°C).Temperature
As April gives way to May, the average high-temperature displays an increase, moving from a cool 54.1°F (12.3°C) to a refreshing 66.6°F (19.2°C). During the month of May, DeWitt anticipates a mean low-temperature of 48.6°F (9.2°C).Humidity
In May, the average relative humidity is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.2 days and typically aggregates up to 3.15" (80mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, DeWitt aggregates 0.04" (1mm) of snow. In DeWitt, during the entire year, snow falls for 59.2 days and aggregates up to 16.46" (418mm) of snow.Daylight
The average length of the day in May is 14h and 40min.On the first day of the month, sunrise is at 6:31 am and sunset at 8:39 pm. On the last day of May, sunrise is at 6:02 am and sunset at 9:09 pm EDT.
Sunshine
In DeWitt, the average sunshine in May is 8.4h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
DeWitt, MI
- Average high temperature in May: 66.6°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 (27.1°F).
- Average low temperature in May: 48.6°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 (17.1°F).
Average pressure in May
DeWitt, 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 (29.93"Hg).
Average wind speed in May
DeWitt, MI
- Average wind speed in May: 8.5mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in May
DeWitt, MI
- Average humidity in May: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
DeWitt, MI
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in May
DeWitt, MI
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in May
DeWitt, MI
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
DeWitt, MI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
DeWitt, 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 24min
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 42min).
Average sunshine days in May
DeWitt, MI
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is January (10.3 days).
Average UV index in May
DeWitt, 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
DeWitt, MI
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
DeWitt, MI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, September and December (5mi).
