May weather forecastJackson, MI
May
Weather in May
May continues the increasing trend in temperature, welcoming a substantial amount of sunshine. The temperatures finally breach the 60s°F mark, bringing a much-awaited relief. Interestingly, this month is marked with the highest rainfall for the year, 3.5" (89mm) over 19.5 days. Outdoor activities become significantly more appealing, with warm rays, clear skies, and mornings filled with birdsong becoming more common sights and sounds around this time.Temperature
The arrival of May sees a shift in the average high-temperature, moving from a cool 54.1°F (12.3°C) in April to a refreshing 66.7°F (19.3°C). The average low-temperature, in May, is a frosty 49.6°F (9.8°C).Humidity
In May, the average relative humidity in Jackson is 80%.Rainfall
May is the month with the most rainfall in Jackson, Michigan. Rain falls for 19.5 days and accumulates 3.5" (89mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Jackson. During 0.2 snowfall days, in May, Jackson aggregates 0.2" (5mm) of snow. In Jackson, during the entire year, snow falls for 53.6 days and aggregates up to 16.57" (421mm) of snow.Daylight
In May, the average length of the day is 14h and 37min.On the first day of May in Jackson, sunrise is at 6:31 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 9:07 pm EDT.
Sunshine
In May, the average sunshine is 8.2h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Jackson. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Jackson, MI
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in May
Jackson, 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
Jackson, MI
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in May
Jackson, MI
- Average humidity in May: 80%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are March, April and October (78%).
Average rainfall in May
Jackson, MI
- Average rainfall in May: 3.5"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in May
Jackson, MI
- Average rainfall days in May: 19.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in May
Jackson, MI
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Jackson, MI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Jackson, MI
- Average daylight in May: 14h and 36min
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 12min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in May
Jackson, MI
- Average sunshine days in May: 9.3 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in May
Jackson, 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
Jackson, MI
- Average cloud cover in May: 44
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
Jackson, MI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).





