May weather forecastRochester Hills, MI
May
Weather in May
In May, Rochester Hills, Michigan enters the threshold of summer underlined by a striking increase in temperatures to a maximum of 66.7°F (19.3°C). Accompanied with this change, rainfall sees a rise to 2.28" (58mm), watering the spring blooms and painting the city in vibrant colors. As the snow completely disappears from the landscape, residents switch to lighter, summer clothing. The increase in sunshine hours plays a pivotal role in outdoor activities, with the city coming alive with various events and festivals. It is also the perfect time for sunbathing, picnics and water sports, making full use of the summer prelude.Temperature
The arrival of May brings a temperature shift, with the average high-temperature escalating from a fresh 53.6°F (12°C) in April to a refreshing 66.7°F (19.3°C). An average low-temperature of 48.9°F (9.4°C) is anticipated throughout the nights during May.Humidity
The months with the lowest humidity are April, May, July and August, with an average relative humidity of 75%.Rainfall
The month with the most rainfall is May, when the rain falls for 16.8 days and typically aggregates up to 2.28" (58mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Rochester Hills. May is the last month it regularly snows. During 0.2 snowfall days, in May, Rochester Hills aggregates 0.31" (8mm) of snow. In Rochester Hills, during the entire year, snow falls for 62.5 days and aggregates up to 14.09" (358mm) of snow.Daylight
In May, the average length of the day is 14h and 38min.On the first day of May, sunrise is at 6:25 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 9:03 pm EDT.
Sunshine
In Rochester Hills, the average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during May translates into these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rochester Hills, MI
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in May: 48.9°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 (17.8°F).
Average pressure in May
Rochester Hills, 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
Rochester Hills, MI
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in May
Rochester Hills, MI
- Average humidity in May: 75%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, May, July and August (75%).
Average rainfall in May
Rochester Hills, MI
- Average rainfall in May: 2.28"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are February and December (1.02").
Average rainfall days in May
Rochester Hills, MI
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in May
Rochester Hills, MI
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Rochester Hills, MI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rochester Hills, MI
- Average daylight in May: 14h and 36min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Rochester Hills, MI
- Average sunshine days in May: 12 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in May
Rochester Hills, MI
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Rochester Hills, MI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in May
Rochester Hills, MI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
