Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's onset brings a rise in the average high-temperature, moving from a cold 41.9°F (5.5°C) in March to a fresh 52.9°F (11.6°C). Rochester, in April, observes a steady average low-temperature of 37.9°F (3.3°C).Humidity
The months with the lowest humidity are April, October and November, with an average relative humidity of 77%.Rainfall
In Rochester, in April, during 16 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. Throughout the year, there are 158.7 rainfall days, and 29.88" (759mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rochester, during April, snow falls for 2.8 days and regularly aggregates up to 2.28" (58mm) 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 April is 13h and 25min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:19 pm. On the last day of April, sunrise is at 5:47 am and sunset at 7:52 pm CDT.
Sunshine
The average sunshine in April is 7.5h.UV index
In Rochester, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In April, a regular UV index of 3 translates into these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What are the least humid months?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
What is the average length of the day in April in Rochester?
When are sunrise and sunset in April?
How many hours of sunshine does Rochester have in April?
What is the UV index intensity in April?
Average temperature in April
Rochester, WI
- Average high temperature in April: 52.9°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 April: 37.9°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 April
Rochester, WI
- Average pressure in April: 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 April
Rochester, WI
- Average wind speed in April: 10mph
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 April
Rochester, WI
- Average humidity in April: 77%
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 April
Rochester, WI
- Average rainfall in April: 3.5"
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 April
Rochester, WI
- Average rainfall days in April: 16 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 April
Rochester, WI
- Average snowfall in April: 2.28"
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 April
Rochester, WI
- Average snowfall days in April: 2.8 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 April /
Average sunshine in April
Rochester, WI
- Average daylight in April: 13h and 2min
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 April: 7h and 3min
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 April
Rochester, WI
- Average sunshine days in April: 10.8 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 April
Rochester, WI
- Average UV index in April: 3
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 April
Rochester, WI
- Average cloud cover in April: 50
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 April
Rochester, WI
- Average visibility in April: 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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