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
The average high-temperature increases in April, moving from a moderate 55.6°F (13.1°C) in March to a still refreshing 66.7°F (19.3°C). During the month of April, Williamsburg experiences a steady low-temperature average of 50.4°F (10.2°C).Humidity
In April, the average relative humidity is 74%.Rainfall
In April, the rain falls for 13.3 days. Throughout April, 1.65" (42mm) of precipitation is accumulated. In Williamsburg, during the entire year, the rain falls for 148.7 days and collects up to 20.35" (517mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Williamsburg, the average length of the day in April is 13h and 11min.On the first day of April in Williamsburg, sunrise is at 6:51 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:55 pm EDT.
Sunshine
In April, the average sunshine is 9.4h.UV index
In Williamsburg, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 4 in April translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
Does it snow in April?
How many hours of daylight does Williamsburg have in April?
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
Williamsburg, VA
- Average high temperature in April: 66.7°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in April: 50.4°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in April
Williamsburg, VA
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Williamsburg, VA
- Average wind speed in April: 8.6mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in April
Williamsburg, VA
- Average humidity in April: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
Williamsburg, VA
- Average rainfall in April: 1.65"
The wettest month (with the highest rainfall) is August (2.36").
The driest months (with the least rainfall) are October and December (1.38").
Average rainfall days in April
Williamsburg, VA
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in April
Williamsburg, VA
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Williamsburg, VA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in April /
Average sunshine in April
Williamsburg, VA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in April
Williamsburg, VA
- Average sunshine days in April: 14.8 days
The months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is August (12.2 days).
Average UV index in April
Williamsburg, VA
- Average UV index in April: 4
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in April
Williamsburg, VA
- Average cloud cover in April: 38
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in April
Williamsburg, VA
- 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).
Williamsburg, Virginia, USA
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