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 start of April brings a shift in the average high-temperature, increasing from March's frosty 46°F (7.8°C) to a refreshing 58.6°F (14.8°C). Portersville throughout April, experiences an average nighttime temperature of 39.6°F (4.2°C).Humidity
April through August, with an average relative humidity of 78%, are the least humid months.Rainfall
The month with the most rainfall is April, when the rain falls for 17.9 days and typically aggregates up to 3.7" (94mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Portersville, in April, during 3.5 snowfall days, 1.1" (28mm) of snow is typically accumulated. Throughout the year, there are 70.8 snowfall days, and 27.76" (705mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 20min.On the first day of April in Portersville, sunrise is at 7:02 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:16 pm EDT.
Sunshine
In Portersville, the average sunshine in April 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 health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 during April translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. 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 average April temperature?
What is the least humid month?
What is the average humidity in April?
What is the rainiest month?
How many days 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 long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Portersville, PA
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in April: 39.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in April
Portersville, PA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Portersville, PA
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in April
Portersville, PA
- Average humidity in April: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June, July and August (78%).
Average rainfall in April
Portersville, PA
- Average rainfall in April: 3.7"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in April
Portersville, PA
- Average rainfall days in April: 17.9 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in April
Portersville, PA
- Average snowfall in April: 1.1"
The month with the highest snowfall is January (7.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Portersville, PA
- Average snowfall days in April: 3.5 days
The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Portersville, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in April
Portersville, PA
- Average sunshine days in April: 9.8 days
The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (6.6 days).
Average UV index in April
Portersville, PA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Portersville, PA
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in April
Portersville, PA
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).
Portersville, Pennsylvania, USA
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