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's arrival signals an increase in average high-temperatures, moving from March's frosty 48.4°F (9.1°C) to a moderate 60.3°F (15.7°C). Lancaster, during April nights, observes an average temperature of 42.4°F (5.8°C).Humidity
The least humid month in Lancaster, Pennsylvania, is April, with an average relative humidity of 76%.Rainfall
In Lancaster, in April, during 15.5 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Lancaster, during the entire year, the rain falls for 153.4 days and collects up to 28.27" (718mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Lancaster. April is the last month it regularly snows. During 0.1 snowfall days, in April, Lancaster aggregates 0.08" (2mm) of snow. In Lancaster, during the entire year, snow falls for 20.8 days and aggregates up to 11.46" (291mm) of snow.Daylight
In April, the average length of the day is 13h and 17min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:29 pm. On the last day of April, in Lancaster, sunrise is at 6:05 am and sunset at 7:59 pm EDT.
Sunshine
The average sunshine in April in Lancaster is 8.1h.UV index
In Lancaster, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during April leads to these instructions:
Take necessary precautions - Defending against sun damage is advocated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the average April temperature in Lancaster?
What is the least humid month in Lancaster?
What is the average humidity in April in Lancaster?
How many days does it rain in April in Lancaster?
What is the last month it snows in Lancaster?
How many hours of daylight does Lancaster have in April?
When is the sunrise / sunset in April in Lancaster?
How many hours of sunshine does Lancaster have in April?
What is the UV index intensity in April in Lancaster?
Average temperature in April
Lancaster, PA
- Average high temperature in April: 60.3°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in April
Lancaster, 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
Lancaster, PA
- Average wind speed in April: 8.8mph
The windiest month (with the highest average wind speed) is March (9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in April
Lancaster, PA
- Average humidity in April: 76%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Lancaster, PA
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is August (3.35").
The driest months (with the least rainfall) are February and September (1.89").
Average rainfall days in April
Lancaster, PA
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (8 days).
Average snowfall in April
Lancaster, PA
- Average snowfall in April: 0.08"
The month with the highest snowfall is March (3.66").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Lancaster, PA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Lancaster, 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
Lancaster, PA
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in April
Lancaster, PA
- Average UV index in April: 3
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Lancaster, 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
Lancaster, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Lancaster, Pennsylvania, USA
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