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
Philadelphia in April shows a temperature shift, moving from an average high of a wintry 36.9°F (2.7°C) in March to a fresh 50.7°F (10.4°C). An average low-temperature of 35.2°F (1.8°C) is observed during April nights in Philadelphia.Humidity
The least humid month is April, with an average relative humidity of 77%.Rainfall
In Philadelphia, New York, during April, the rain falls for 15.9 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 166.4 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
Months with snowfall in Philadelphia are January through May, October through December. In April, in Philadelphia, New York, it is snowing for 5.5 days. Throughout April, 2.13" (54mm) of snow is accumulated. In Philadelphia, during the entire year, snow falls for 87.3 days and aggregates up to 40.16" (1020mm) of snow.Daylight
The average length of the day in April in Philadelphia is 13h and 29min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:30 pm. On the last day of April, in Philadelphia, sunrise is at 5:54 am and sunset at 8:05 pm EDT.
Sunshine
In April, the average sunshine in Philadelphia is 7.2h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 during April translates into the following guidance:
Ensure safety - Recommendations to avert sunburn are presented. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. During bright days, sunglasses that offer UVA and UVB defense are recommended. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Philadelphia?
What is the least humid month in Philadelphia?
What is the average humidity in April in Philadelphia?
How many days does it rain in April in Philadelphia?
How much does it snow in Philadelphia in April?
How many hours of daylight does Philadelphia have in April?
When are sunrise and sunset in April in Philadelphia?
How long on average sun shines in April in Philadelphia?
How high is the UV index in April in Philadelphia?
Average temperature in April
Philadelphia, NY
- Average high temperature in April: 50.7°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in April: 35.2°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in April
Philadelphia, NY
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Philadelphia, NY
- Average wind speed in April: 9.4mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in April
Philadelphia, NY
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in April
Philadelphia, NY
- Average rainfall in April: 2.83"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in April
Philadelphia, NY
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is October (17.4 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in April
Philadelphia, NY
- Average snowfall in April: 2.13"
The month with the highest snowfall is December (9.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Philadelphia, NY
- Average snowfall days in April: 5.5 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Philadelphia, NY
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 7h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 54min).
Average sunshine days in April
Philadelphia, NY
- Average sunshine days in April: 10.2 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in April
Philadelphia, NY
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Philadelphia, NY
- Average cloud cover in April: 52
The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Philadelphia, NY
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Philadelphia, New York, USA
Weather forecast for your location
2. Allow the app to use your location