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
April signals a shift in the average high-temperature, moving from March's chilly 48°F (8.9°C) to a moderate 60.3°F (15.7°C). During April, an average low-temperature of 42.8°F (6°C) is observed.Humidity
April is the least humid month, with an average relative humidity of 76%.Rainfall
In Mortonville, during April, the rain falls for 13.1 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, there are 138.3 rainfall days, and 19.76" (502mm) of precipitation is accumulated.Snowfall
Months with snowfall in Mortonville are January through May, October through December. In Mortonville, during April, snow falls for 0.5 days and regularly aggregates up to 0.28" (7mm) of snow. Throughout the year, in Mortonville, there are 19.6 snowfall days, and 7.64" (194mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 17min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of April, in Mortonville, sunrise is at 6:03 am and sunset at 7:57 pm EDT.
Sunshine
In Mortonville, the average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index in Mortonville is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 4 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What are April temperatures in Mortonville?
What is the least humid month in Mortonville?
What is the average humidity in April in Mortonville?
How many days does it rain in April in Mortonville?
How much does it snow in Mortonville in April?
How many hours of daylight does Mortonville have in April?
What time are sunrise and sunset in April in Mortonville?
How many hours of sunshine does Mortonville have in April?
How high is the UV index in April in Mortonville?
Average temperature in April
Mortonville, PA
- Average high temperature in April: 60.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in April: 42.8°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in April
Mortonville, PA
- Average pressure in April: 29.99"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
Mortonville, PA
- Average wind speed in April: 8.6mph
The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in April
Mortonville, PA
- Average humidity in April: 76%
The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Mortonville, PA
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in April
Mortonville, PA
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in April
Mortonville, PA
- Average snowfall in April: 0.28"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Mortonville, PA
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Mortonville, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Mortonville, PA
- Average sunshine days in April: 14.6 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in April
Mortonville, PA
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Mortonville, PA
- Average cloud cover in April: 46
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in April
Mortonville, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Mortonville, Pennsylvania, USA
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