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
As Mount Vernon transitions into April, a rise in the average high-temperature is observed, moving from a frosty 46°F (7.8°C) in March to a refreshing 57.2°F (14°C). Throughout April, the average low-temperature dips to a chilly 43.7°F (6.5°C).Humidity
In Mount Vernon, the average relative humidity in April is 71%.Rainfall
In Mount Vernon, in April, during 14.7 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, there are 156.5 rainfall days, and 33.19" (843mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.5 snowfall days, in April, Mount Vernon aggregates 0.2" (5mm) of snow. Throughout the year, in Mount Vernon, there are 18.1 snowfall days, and 8.43" (214mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:20 pm. On the last day of April, sunrise is at 5:53 am and sunset at 7:51 pm EDT.
Sunshine
In Mount Vernon, the average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 4 suggests these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How many days does it rain in April in Mount Vernon?
What is the last month it snows?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Mount Vernon have in April?
How high is the UV index in April?
Average temperature in April
Mount Vernon, NY
- Average high temperature in April: 57.2°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in April: 43.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in April
Mount Vernon, NY
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Mount Vernon, NY
- Average wind speed in April: 8.8mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in April
Mount Vernon, NY
- Average humidity in April: 71%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (69%).
Average rainfall in April
Mount Vernon, NY
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in April
Mount Vernon, NY
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (8 days).
Average snowfall in April
Mount Vernon, NY
- Average snowfall in April: 0.2"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Mount Vernon, NY
- Average snowfall days in April: 0.5 days
The months with the highest number of snowfall days are January and February (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Mount Vernon, NY
- 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: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Mount Vernon, NY
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in April
Mount Vernon, NY
- Average UV index in April: 4
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
Mount Vernon, NY
- Average cloud cover in April: 44
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Mount Vernon, NY
- 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).
Mount Vernon, New York, USA
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