Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Rochester's May weather shows an increase in high-temperatures, moving from April's fresh 53.6°F (12°C) to a refreshing 66.7°F (19.3°C). Rochester sees an average low-temperature of 48.9°F (9.4°C) during May.Humidity
April, May, July and August, with an average relative humidity of 75%, are the least humid months.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
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Rochester. During 0.2 snowfall days, in May, Rochester aggregates 0.31" (8mm) of snow. In Rochester, during the entire year, snow falls for 62.5 days and aggregates up to 14.09" (358mm) of snow.Daylight
The average length of the day in May is 14h and 39min.On the first day of the month, sunrise is at 6:25 am and sunset at 8:33 pm. On the last day of May, sunrise is at 5:57 am and sunset at 9:03 pm EDT.
Sunshine
In May, the average sunshine is 8.7h.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 unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What are the least humid months?
What is the average humidity in May in Rochester?
What is the wettest month?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Rochester have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Rochester have in May?
What is the UV index intensity in May?
Average temperature in May
Rochester, 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, 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, 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, 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, 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, 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, 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, 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, MI
- Average daylight in May: 14h and 4min
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 4min
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, 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, 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, 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, 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).
Rochester, Michigan, USA
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