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 shows a rise in the average high-temperature, moving from March's frosty 48.9°F (9.4°C) to a refreshing 61°F (16.1°C). An average low-temperature of 41.4°F (5.2°C) is noted during the nights in April in Williamsville.Humidity
In Williamsville, the average relative humidity in April is 77%.Rainfall
In Williamsville, Virginia, in April, it is raining for 15.7 days, with typically 3.11" (79mm) of accumulated precipitation. In Williamsville, during the entire year, the rain falls for 161.8 days and collects up to 29.53" (750mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, in Williamsville, it is snowing for 1.8 days. Throughout April, 1.14" (29mm) of snow is accumulated. Throughout the year, there are 41.9 snowfall days, and 36.5" (927mm) of snow is accumulated.Daylight
The average length of the day in April in Williamsville, Virginia, is 13h and 13min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:41 pm. On the last day of April, sunrise is at 6:21 am and sunset at 8:08 pm EDT.
Sunshine
In Williamsville, the average sunshine in April is 8.7h.UV index
In Williamsville, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 4 in April translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What are the temperatures in Williamsville in April?
What is the average humidity in April in Williamsville?
How many days does it rain in April in Williamsville?
How much does it snow in Williamsville in April?
What is the average length of the day in April in Williamsville?
When is the sunrise / sunset in April in Williamsville?
How long on average sun shines in April in Williamsville?
What is the UV index intensity in April in Williamsville?
Average temperature in April
Williamsville, VA
- Average high temperature in April: 61°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in April: 41.4°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in April
Williamsville, VA
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Williamsville, VA
- Average wind speed in April: 6.5mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in April
Williamsville, VA
- Average humidity in April: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June and July (76%).
Average rainfall in April
Williamsville, VA
- Average rainfall in April: 3.11"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in April
Williamsville, VA
- Average rainfall days in April: 15.7 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in April
Williamsville, VA
- Average snowfall in April: 1.14"
The month with the highest snowfall is February (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Williamsville, VA
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Williamsville, VA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in April
Williamsville, VA
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in April
Williamsville, VA
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Williamsville, VA
- Average cloud cover in April: 43
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and November (Cloud cover 36).
Average visibility in April
Williamsville, VA
- Average visibility in April: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are May and September (4mi).
Williamsville, Virginia, USA
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