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
Entering April, Mount Joy sees a temperature rise, with the average high-temperature advancing from March's chilly 47.5°F (8.6°C) to a mild 59.9°F (15.5°C). In Mount Joy, April nights witness a steady temperature drop to a wintry 42.1°F (5.6°C).Humidity
The months with the lowest humidity are March and April, with an average relative humidity of 76%.Rainfall
In Mount Joy, during April, the rain falls for 12.6 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Mount Joy, during the entire year, the rain falls for 132.7 days and collects up to 15.35" (390mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Mount Joy aggregates 0.04" (1mm) of snow. In Mount Joy, during the entire year, snow falls for 19.3 days and aggregates up to 6.5" (165mm) of snow.Daylight
In Mount Joy, the average length of the day in April is 13h and 18min.On the first day of April in Mount Joy, sunrise is at 6:48 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:00 pm EDT.
Sunshine
In April, the average sunshine in Mount Joy is 8.3h.UV index
In Mount Joy, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 in April translates into these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What are the least humid months?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Mount Joy, PA
- Average high temperature in April: 59.9°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in April: 42.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in April
Mount Joy, 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
Mount Joy, PA
- Average wind speed in April: 8.6mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in April
Mount Joy, PA
- Average humidity in April: 76%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in April
Mount Joy, PA
- Average rainfall in April: 1.1"
The wettest month (with the highest rainfall) is August (1.97").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in April
Mount Joy, PA
- Average rainfall days in April: 12.6 days
The month with the highest number of rainy days is May (15.7 days).
The months with the least rainy days are January and November (6.6 days).
Average snowfall in April
Mount Joy, PA
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Mount Joy, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Mount Joy, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Mount Joy, PA
- Average sunshine days in April: 15.4 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in April
Mount Joy, PA
- Average UV index in April: 4
The months with the highest UV index are June and July (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
Mount Joy, PA
- Average cloud cover in April: 45
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Mount Joy, 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).
Mount Joy, Pennsylvania, USA
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