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 arrival brings a temperature shift, moving from a frosty 45.5°F (7.5°C) in March to a refreshing 58.3°F (14.6°C). Williamsburg temperatures generally rest at a low of 39.2°F (4°C) during the April nights.Humidity
In Williamsburg, the average relative humidity in April is 77%.Rainfall
In April, the rain falls for 17.1 days. Throughout April, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 176.5 rainfall days, and 29.33" (745mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Williamsburg, in April, snow falls for 2 days, with typically accumulated 0.59" (15mm) of snow. Throughout the year, there are 51.3 snowfall days, and 20.87" (530mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 19min.On the first day of April, sunrise is at 6:55 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:07 pm EDT.
Sunshine
In Williamsburg, the average sunshine in April is 7.9h.UV index
The average daily maximum UV index in April in Williamsburg is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 in April translates into these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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?
How much does it snow in Williamsburg in April?
How many hours of daylight does Williamsburg have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Williamsburg have in April?
What is the UV index reading in April?
Average temperature in April
Williamsburg, PA
- Average high temperature in April: 58.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in April: 39.2°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 (19.6°F).
Average pressure in April
Williamsburg, PA
- Average pressure in April: 29.98"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, PA
- Average wind speed in April: 7.9mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in April
Williamsburg, PA
- Average humidity in April: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is July (76%).
Average rainfall in April
Williamsburg, PA
- Average rainfall in April: 3.03"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in April
Williamsburg, PA
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is May (19.3 days).
The months with the least rainy days are February and November (10.8 days).
Average snowfall in April
Williamsburg, PA
- Average snowfall in April: 0.59"
The month with the highest snowfall is January (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Williamsburg, PA
- Average snowfall days in April: 2 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Williamsburg, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Williamsburg, PA
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in April
Williamsburg, PA
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Williamsburg, PA
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in April
Williamsburg, PA
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Williamsburg, Pennsylvania, USA
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