May weather forecastGrand Junction, MI
May
Weather in May
May, the last month of the spring in Grand Junction, is a comfortable month, with an average temperature varying between 64.4°F (18°C) and 49.6°F (9.8°C).Temperature
An increase in the average high-temperature marks May, moving from April's fresh 53.1°F (11.7°C) to a comfortable 64.4°F (18°C). Nighttime temperatures consistently average a frosty 49.6°F (9.8°C) during May.Humidity
In Grand Junction, the average relative humidity in May is 80%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 3.58" (91mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Grand Junction, Michigan. During 0.2 snowfall days, in May, Grand Junction aggregates 0.12" (3mm) of snow. In Grand Junction, during the entire year, snow falls for 55.3 days and aggregates up to 17.52" (445mm) of snow.Daylight
In Grand Junction, the average length of the day in May is 14h and 37min.On the first day of the month, sunrise is at 6:38 am and sunset at 8:44 pm. On the last day of May, sunrise is at 6:09 am and sunset at 9:14 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Grand Junction, MI
- Average high temperature in May: 64.4°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in May: 49.6°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 (20.7°F).
Average pressure in May
Grand Junction, MI
- Average pressure in May: 29.97"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Grand Junction, MI
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in May
Grand Junction, MI
- Average humidity in May: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Grand Junction, MI
- Average rainfall in May: 3.58"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in May
Grand Junction, MI
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in May
Grand Junction, MI
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Grand Junction, MI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grand Junction, 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 6min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in May
Grand Junction, MI
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is March (14.7 days).
The month with the least sunshine days is January (8.8 days).
Average UV index in May
Grand Junction, MI
- Average UV index in May: 5
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Grand Junction, MI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Grand Junction, 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).





