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
With the onset of April, the average high-temperature slightly shifts from March's frosty 43.7°F (6.5°C) to a fresh 55°F (12.8°C). In Rochester, the nighttime temperature averages to a cold 39.9°F (4.4°C) during April.Humidity
In April, the average relative humidity is 78%.Rainfall
In Rochester, in April, during 16.3 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 173.9 rainfall days, and 30.16" (766mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 2.7 days. Throughout April, 1.02" (26mm) of snow is accumulated. Throughout the year, there are 59.3 snowfall days, and 17.32" (440mm) of snow is accumulated.Daylight
In Rochester, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 7:11 am and sunset at 7:54 pm. On the last day of April, sunrise is at 6:27 am and sunset at 8:25 pm EDT.
Sunshine
In Rochester, the average sunshine in April is 7.4h.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 rays for the average person.Note: A daily high UV index of 3 in April leads to these guidelines:
Adopt protective measures - It is advised to guard against sun damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rochester in April?
What is the average humidity in April in Rochester?
How many days does it rain in April?
How much does it snow in April?
How many hours of daylight does Rochester have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Rochester, OH
- Average high temperature in April: 55°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in April: 39.9°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in April
Rochester, OH
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Rochester, OH
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in April
Rochester, OH
- Average humidity in April: 78%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in April
Rochester, OH
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is June (3.62").
The driest months (with the least rainfall) are February, November and December (1.93").
Average rainfall days in April
Rochester, OH
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in April
Rochester, OH
- Average snowfall in April: 1.02"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Rochester, OH
- Average snowfall days in April: 2.7 days
The month with the highest number of snowfall days is January (16.2 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, OH
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in April
Rochester, OH
- Average sunshine days in April: 10.7 days
The month with the most sunshine days is September (12.9 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in April
Rochester, OH
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Rochester, OH
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Rochester, OH
- 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, Ohio, USA
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