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 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 shift into April is characterized by a subtle rise in the average high-temperature, transitioning from March's moderately hot 76.3°F (24.6°C) to a still warm 82.6°F (28.1°C). Williamsburg experiences an average low-temperature of 64°F (17.8°C) in month of April.Heat index
April's average heat index is calculated to be a tropical 87.8°F (31°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
The average relative humidity in April is 72%.Rainfall
In April, the rain falls for 9 days. Throughout April, 0.51" (13mm) of precipitation is accumulated. Throughout the year, in Williamsburg, there are 126.6 rainfall days, and 9.06" (230mm) of precipitation is accumulated.Daylight
In Williamsburg, the average length of the day in April is 12h and 52min.On the first day of April, sunrise is at 7:14 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:00 pm EDT.
Sunshine
In Williamsburg, the average sunshine in April is 9.2h.UV index
In Williamsburg, the average daily maximum UV index in April is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 in April converts into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
How hot does it get in Williamsburg in April?
What is the average humidity in April in Williamsburg?
How many days does it rain in April in Williamsburg?
What is the average length of the day in April in Williamsburg?
When are sunrise and sunset in April in Williamsburg?
How many hours of sunshine does Williamsburg have in April?
How high is the UV index in April in Williamsburg?
Average temperature in April
Williamsburg, FL
- Average high temperature in April: 82.6°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (68.5°F).
- Average low temperature in April: 64°F
The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (51.3°F).
Average pressure in April
Williamsburg, FL
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in April
Williamsburg, FL
- Average wind speed in April: 6.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in April
Williamsburg, FL
- Average humidity in April: 72%
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in April
Williamsburg, FL
- Average rainfall in April: 0.51"
The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is March (0.2").
Average rainfall days in April
Williamsburg, FL
- Average rainfall days in April: 9 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is January (4.8 days).
Average daylight in April /
Average sunshine in April
Williamsburg, FL
- Average daylight in April: 12h and 5min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in April: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in April
Williamsburg, FL
- Average sunshine days in April: 19.6 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in April
Williamsburg, FL
- Average UV index in April: 6
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in April
Williamsburg, FL
- Average cloud cover in April: 31
The month with the most cloud cover is February (Cloud cover 38).
The months with the least cloud cover are May and October (Cloud cover 30).
Average visibility in April
Williamsburg, FL
- 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, Florida, USA
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