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
In April, the average high-temperature increases from a frosty 46.6°F (8.1°C) in March to a refreshing 58.6°F (14.8°C). Throughout April, an average low-temperature of 39.2°F (4°C) is expected.Humidity
The average relative humidity in April in Port Royal is 76%.Rainfall
In Port Royal, during April, the rain falls for 15.8 days and regularly aggregates up to 2.99" (76mm) of precipitation. In Port Royal, during the entire year, the rain falls for 162 days and collects up to 28.86" (733mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Port Royal, in April, during 0.8 snowfall days, 0.31" (8mm) of snow is typically accumulated. In Port Royal, during the entire year, snow falls for 35.2 days and aggregates up to 16.42" (417mm) of snow.Daylight
In Port Royal, the average length of the day in April is 13h and 19min.On the first day of April in Port Royal, sunrise is at 6:51 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:04 pm EDT.
Sunshine
In Port Royal, the average sunshine in April is 7.8h.UV index
In Port Royal, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In April, a daily UV index of 3 turns into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Port Royal in April?
What is the average humidity in April in Port Royal?
How many days does it rain in April in Port Royal?
How much does it snow in Port Royal in April?
How many hours of daylight does Port Royal have in April?
When is the sunrise / sunset in April in Port Royal?
How many hours of sunshine does Port Royal have in April?
What is the UV index reading in April in Port Royal?
Average temperature in April
Port Royal, PA
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in April: 39.2°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 (19.9°F).
Average pressure in April
Port Royal, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Port Royal, PA
- Average wind speed in April: 7.3mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in April
Port Royal, PA
- Average humidity in April: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).
Average rainfall in April
Port Royal, PA
- Average rainfall in April: 2.99"
The wettest month (with the highest rainfall) is May (3.31").
The driest months (with the least rainfall) are January and November (1.85").
Average rainfall days in April
Port Royal, PA
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in April
Port Royal, PA
- Average snowfall in April: 0.31"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Port Royal, PA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Port Royal, 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Port Royal, PA
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in April
Port Royal, 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, November and December (UV index 2).
Average cloud cover in April
Port Royal, PA
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in April
Port Royal, 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).
Port Royal, Pennsylvania, USA
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