May weather forecastHarrison, MI
May
Weather in May
The last month of the spring, May, is a refreshing month in Harrison, Michigan, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 45.3°F (7.4°C).Temperature
A noticeable upsurge in temperatures is seen as April gives way to May, with average highs moving from a fresh 50.5°F (10.3°C) to a refreshing 64.9°F (18.3°C). Harrison experiences a consistent average temperature of 45.3°F (7.4°C) throughout the nights in May.Humidity
In Harrison, the average relative humidity in May is 75%.Rainfall
The wettest months are May and October, with an average 2.68" (68mm) of rainfall.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Harrison. During 0.4 snowfall days, in May, Harrison aggregates 0.08" (2mm) of snow. Throughout the year, in Harrison, there are 79 snowfall days, and 24.61" (625mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 46min.On the first day of May, sunrise is at 6:29 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 9:14 pm EDT.
Sunshine
In Harrison, the average sunshine in May is 8.5h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long 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. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Harrison, MI
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in May: 45.3°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in May
Harrison, 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
Harrison, MI
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
Harrison, MI
- Average humidity in May: 75%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
Harrison, MI
- Average rainfall in May: 2.68"
The wettest months (with the highest rainfall) are May and October (2.68").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in May
Harrison, MI
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in May
Harrison, MI
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Harrison, MI
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Harrison, MI
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 30min
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 6min).
Average sunshine days in May
Harrison, MI
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is January (10.5 days).
Average UV index in May
Harrison, 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, November and December (UV index 1).
Average cloud cover in May
Harrison, MI
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Harrison, MI
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, October and November (6mi).
The month with the lowest visibility is January (4mi).





