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
Slippery Rock's transition into April is marked by a temperature shift, moving from a frosty 45.1°F (7.3°C) in March to a mild 57.9°F (14.4°C). Slippery Rock, in April, experiences an average temperature of 38.8°F (3.8°C) at night.Humidity
The months with the lowest humidity are April through August, with an average relative humidity of 79%.Rainfall
The month with the most rainfall is April, when the rain falls for 17.6 days and typically aggregates up to 3.74" (95mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Slippery Rock, in April, during 4.1 snowfall days, 1.18" (30mm) of snow is typically accumulated. In Slippery Rock, during the entire year, snow falls for 75.3 days and aggregates up to 32.05" (814mm) of snow.Daylight
The average length of the day in April in Slippery Rock is 13h and 20min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:45 pm. On the last day of April, sunrise is at 6:18 am and sunset at 8:16 pm EDT.
Sunshine
In April, the average sunshine is 6.8h.UV index
In April, the average daily maximum UV index in Slippery Rock is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Opt for tightly woven and loose clothing to enhance protection from the Sun. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What is the usual temperature for Slippery Rock in April?
What are the least humid months in Slippery Rock?
What is the average humidity in April in Slippery Rock?
What is the wettest month in Slippery Rock?
How much does it rain in Slippery Rock in April?
How much does it snow in Slippery Rock in April?
How many hours of daylight does Slippery Rock have in April?
When is the sunrise / sunset in April in Slippery Rock?
How many hours of sunshine does Slippery Rock have in April?
What is the UV index reading in April in Slippery Rock?
Average temperature in April
Slippery Rock, PA
- Average high temperature in April: 57.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in April
Slippery Rock, PA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Slippery Rock, PA
- Average wind speed in April: 7.7mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in April
Slippery Rock, PA
- Average humidity in April: 79%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, June, July and August (79%).
Average rainfall in April
Slippery Rock, PA
- Average rainfall in April: 3.74"
The wettest month (with the highest rainfall) is April (3.74").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days in April
Slippery Rock, PA
- Average rainfall days in April: 17.6 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in April
Slippery Rock, PA
- Average snowfall in April: 1.18"
The month with the highest snowfall is January (8.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Slippery Rock, PA
- Average snowfall days in April: 4.1 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
Slippery Rock, 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: 6h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in April
Slippery Rock, PA
- Average sunshine days in April: 9.4 days
The month with the most sunshine days is November (13.1 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in April
Slippery Rock, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Slippery Rock, PA
- Average cloud cover in April: 54
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in April
Slippery Rock, PA
- Average visibility in April: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Slippery Rock, Pennsylvania, USA
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