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 minor rise in the average high-temperature, moving from an icy 42.4°F (5.8°C) in March to a fresh 51.3°F (10.7°C). April generally records an average low-temperature of 41.9°F (5.5°C).Humidity
In Rochester, the average relative humidity in April is 75%.Rainfall
In April, the rain falls for 13.8 days. Throughout April, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 136.3 rainfall days, and 15.63" (397mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rochester, during April, snow falls for 0.8 days and regularly aggregates up to 0.12" (3mm) of snow. Throughout the year, there are 21.6 snowfall days, and 4.29" (109mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 22min.On the first day of April, sunrise is at 6:24 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:41 pm EDT.
Sunshine
In Rochester, the average sunshine in April is 8.3h.UV index
In Rochester, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In April, an average UV index of 3 transforms into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in Rochester in April?
What is the average length of the day in April in Rochester?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Rochester, MA
- Average high temperature in April: 51.3°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in April: 41.9°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in April
Rochester, MA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Rochester, MA
- Average wind speed in April: 11.2mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in April
Rochester, MA
- Average humidity in April: 75%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in April
Rochester, MA
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in April
Rochester, MA
- Average rainfall days in April: 13.8 days
The months with the highest number of rainy days are May and July (14.1 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in April
Rochester, MA
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Rochester, MA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (6.6 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, MA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Rochester, MA
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is December (17.7 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in April
Rochester, MA
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Rochester, MA
- Average cloud cover in April: 45
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Rochester, MA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Rochester, Massachusetts, USA
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