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 rise in the average high-temperature, moving from a cold 41.7°F (5.4°C) in March to a fresh 55°F (12.8°C). In the month of April, the temperature generally rests at an average low of 37.2°F (2.9°C).Humidity
The least humid month is April, with an average relative humidity of 72%.Rainfall
In Williamsburg, during April, the rain falls for 12.3 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Williamsburg, during the entire year, the rain falls for 134.1 days and collects up to 14.84" (377mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In April, it is snowing for 1.2 days. Throughout April, 0.16" (4mm) of snow is accumulated. In Williamsburg, during the entire year, snow falls for 28.6 days and aggregates up to 6.5" (165mm) of snow.Daylight
In Williamsburg, Massachusetts, the average length of the day in April is 13h and 24min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:17 pm. On the last day of April, in Williamsburg, sunrise is at 5:46 am and sunset at 7:49 pm EDT.
Sunshine
The average sunshine in April in Williamsburg is 8.3h.UV index
In Williamsburg, Massachusetts, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Williamsburg in April?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Williamsburg have in April?
What is the UV index intensity in April?
Average temperature in April
Williamsburg, MA
- Average high temperature in April: 55°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in April: 37.2°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in April
Williamsburg, MA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Williamsburg, MA
- Average wind speed in April: 7.7mph
The windiest months (with the highest average wind speed) are January, February and March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Williamsburg, MA
- Average humidity in April: 72%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in April
Williamsburg, MA
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is October (1.61").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in April
Williamsburg, MA
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in April
Williamsburg, MA
- Average snowfall in April: 0.16"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Williamsburg, MA
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is February (7.7 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, 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 6min).
- Average sunshine in April: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in April
Williamsburg, MA
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (13.7 days).
Average UV index in April
Williamsburg, MA
- Average UV index in April: 3
The months with the highest UV index are June and July (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, MA
- Average cloud cover in April: 45
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Williamsburg, MA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).
Williamsburg, Massachusetts, USA
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