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
A shift in the average high-temperature is noticeable in April, changing from a frosty 44.6°F (7°C) in March to a moderate 57.4°F (14.1°C). An average nighttime temperature of 39.2°F (4°C) is noted in Blue Knob, Pennsylvania, during the month of April.Humidity
The average relative humidity in April is 78%.Rainfall
In Blue Knob, in April, during 15.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 162.4 rainfall days, and 30" (762mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Blue Knob. In Blue Knob, during April, snow falls for 2.5 days and regularly aggregates up to 0.79" (20mm) of snow. Throughout the year, there are 47.1 snowfall days, and 24.8" (630mm) of snow is accumulated.Daylight
In Blue Knob, Pennsylvania, the average length of the day in April is 13h and 19min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:39 pm. On the last day of April, sunrise is at 6:13 am and sunset at 8:08 pm EDT.
Sunshine
In April, the average sunshine in Blue Knob is 7.7h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 in April converts into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What is the temperature in April in Blue Knob?
What is the average humidity in April in Blue Knob?
How many days does it rain in April in Blue Knob?
How many days does it snow in April in Blue Knob?
What is the average length of the day in April in Blue Knob?
What time are sunrise and sunset in April in Blue Knob?
How many hours of sunshine does Blue Knob have in April?
How high is the UV index in April in Blue Knob?
Average temperature in April
Blue Knob, PA
- Average high temperature in April: 57.4°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in April: 39.2°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 (19°F).
Average pressure in April
Blue Knob, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Blue Knob, PA
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in April
Blue Knob, PA
- Average humidity in April: 78%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (77%).
Average rainfall in April
Blue Knob, PA
- Average rainfall in April: 2.99"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in April
Blue Knob, PA
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in April
Blue Knob, PA
- Average snowfall in April: 0.79"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Blue Knob, PA
- Average snowfall days in April: 2.5 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Blue Knob, 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 24min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Blue Knob, PA
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in April
Blue Knob, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Blue Knob, PA
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in April
Blue Knob, 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).
Blue Knob, Pennsylvania, USA
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