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 shift into April brings an increase in the average high-temperature, moving from a chilly 46.6°F (8.1°C) in March to a mild 58.6°F (14.8°C). Port Royal sees an average low-temperature of 39.2°F (4°C) during April.Humidity
The average relative humidity in April is 76%.Rainfall
In Port Royal, in April, during 15.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Port Royal, during the entire year, the rain falls for 162 days and collects up to 28.86" (733mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, in Port Royal, it is snowing for 0.8 days. Throughout April, 0.31" (8mm) of snow is accumulated. Throughout the year, there are 35.2 snowfall days, and 16.42" (417mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 19min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:34 pm. On the last day of April, 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 reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 3 during April leads to these instructions:
Heed the precautions - Suggestions to avoid sunburn are made. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
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 in Port Royal?
How many hours of sunshine does Port Royal have in April?
What is the UV index intensity in April?
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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