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
May shows a rise in the average high-temperature, moving from April's cool 52.9°F (11.6°C) to a comfortable 64.8°F (18.2°C). Throughout May in Rochester, a steady low-temperature average of 48.7°F (9.3°C) is noted.Humidity
In Rochester, the average relative humidity in May is 79%.Rainfall
In May, in Rochester, the rain falls for 19.2 days. Throughout May, 3.19" (81mm) of precipitation is accumulated. Throughout the year, in Rochester, there are 158.7 rainfall days, and 29.88" (759mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Rochester aggregates 0.12" (3mm) of snow. In Rochester, during the entire year, snow falls for 56.1 days and aggregates up to 20.04" (509mm) of snow.Daylight
The average length of the day in May in Rochester is 14h and 39min.On the first day of the month, sunrise is at 5:46 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:17 am and sunset at 8:24 pm CDT.
Sunshine
In Rochester, the average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May in Rochester is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What are the temperatures in Rochester in May?
What is the average humidity in May in Rochester?
How many days does it rain in May in Rochester?
What is the last month it snows in Rochester?
What is the average length of the day in May in Rochester?
What time are sunrise and sunset in May in Rochester?
How many hours of sunshine does Rochester have in May?
How high is the UV index in May in Rochester?
Average temperature in May
Rochester, WI
- Average high temperature in May: 64.8°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 (25.7°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
Rochester, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Rochester, WI
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in May
Rochester, WI
- Average humidity in May: 79%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April, October and November (77%).
Average rainfall in May
Rochester, WI
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in May
Rochester, WI
- Average rainfall days in May: 19.2 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in May
Rochester, WI
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Rochester, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (14.9 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, WI
- 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 August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Rochester, WI
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (9 days).
Average UV index in May
Rochester, WI
- Average UV index in May: 4
The months with the highest UV index are 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
Rochester, WI
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in May
Rochester, WI
- 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, Wisconsin, USA
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