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 arrival of April brings an increase in high-temperatures, moving from a frosty 44.2°F (6.8°C) in March to a mild 56.8°F (13.8°C). In April, the nighttime temperature in Slate Valley, Pennsylvania, lowers to an average of 38.8°F (3.8°C).Humidity
April and July, with an average relative humidity of 77%, are the least humid months in Slate Valley.Rainfall
In Slate Valley, during April, the rain falls for 15.9 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Slate Valley, during the entire year, the rain falls for 155.1 days and collects up to 29.45" (748mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Slate Valley. In Slate Valley, Pennsylvania, during April, snow falls for 1.5 days and regularly aggregates up to 0.28" (7mm) of snow. In Slate Valley, during the entire year, snow falls for 34 days and aggregates up to 16.73" (425mm) of snow.Daylight
The average length of the day in April in Slate Valley is 13h and 20min.On the first day of April in Slate Valley, sunrise is at 6:44 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:57 pm EDT.
Sunshine
The average sunshine in April is 7.9h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. 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 Slate Valley in April?
What are the least humid months in Slate Valley?
What is the average humidity in April in Slate Valley?
How much does it rain in Slate Valley in April?
How many days does it snow in April in Slate Valley?
How many hours of daylight does Slate Valley have in April?
When are sunrise and sunset in April in Slate Valley?
How many hours of sunshine does Slate Valley have in April?
What is the UV index reading in April in Slate Valley?
Average temperature in April
Slate Valley, PA
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in April
Slate Valley, PA
- Average pressure in April: 29.98"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
Slate Valley, PA
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Slate Valley, PA
- Average humidity in April: 77%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in April
Slate Valley, PA
- Average rainfall in April: 2.68"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in April
Slate Valley, PA
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in April
Slate Valley, PA
- Average snowfall in April: 0.28"
The months with the highest snowfall are January and March (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Slate Valley, PA
- Average snowfall days in April: 1.5 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Slate Valley, 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 February (Average sunshine: 4h and 18min).
Average sunshine days in April
Slate Valley, PA
- Average sunshine days in April: 12 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in April
Slate Valley, 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
Slate Valley, PA
- Average cloud cover in April: 48
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in April
Slate Valley, 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).
Slate Valley, Pennsylvania, USA
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