May weather forecastRock, MI
May
Weather in May
The last month of the spring, May, is a refreshing month in Rock, Michigan, with an average temperature varying between 56.8°F (13.8°C) and 42.3°F (5.7°C).Temperature
The average high-temperature increases in May, moving from a frosty 44.4°F (6.9°C) in April to a mild 56.8°F (13.8°C). Rock observes an average nighttime low-temperature of 42.3°F (5.7°C) during the month of May.Humidity
With an average relative humidity of 75%, May is the least humid month in Rock.Rainfall
In Rock, in May, it is raining for 16.2 days, with typically 2.64" (67mm) of accumulated precipitation. In Rock, during the entire year, the rain falls for 139.7 days and collects up to 24.17" (614mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Rock, the average length of the day in May is 14h and 59min.On the first day of the month, sunrise is at 6:33 am and sunset at 8:57 pm. On the last day of May, in Rock, sunrise is at 6:01 am and sunset at 9:31 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rock, MI
- Average high temperature in May: 56.8°F
The warmest month (with the highest average high temperature) is July (72.7°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in May: 42.3°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in May
Rock, 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
Rock, MI
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is November (11mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in May
Rock, MI
- Average humidity in May: 75%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (75%).
Average rainfall in May
Rock, MI
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in May
Rock, MI
- Average rainfall days in May: 16.2 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in May
Rock, MI
- Average snowfall in May: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Rock, MI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rock, MI
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Rock, MI
- Average sunshine days in May: 13 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in May
Rock, MI
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Rock, MI
- Average cloud cover in May: 41
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Rock, 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).
