April weather forecast
Lancaster, PA

The city of Lancaster, Pennsylvania, in a stunning early morning panorama
The city of Lancaster, Pennsylvania, in a stunning early morning panorama

Weather in April

April is a moderate spring month in Lancaster, Pennsylvania, with temperature in the range of an average high of 60.3°F (15.7°C) and an average low of 42.4°F (5.8°C).

Temperature

In April, the average high-temperature rises from a frosty 48.4°F (9.1°C) in March to a mild 60.3°F (15.7°C). The average low-temperature, in April, is 42.4°F (5.8°C).

Humidity

With an average relative humidity of 76%, April is the least humid month.

Rainfall

In Lancaster, Pennsylvania, it is raining for 15.5 days, with typically 2.4" (61mm) of accumulated precipitation. In Lancaster, during the entire year, the rain falls for 153.4 days and collects up to 28.27" (718mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows in Lancaster. 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

The average length of the day in April is 13h and 17min.
On the first day of the month, sunrise is at 6:49 am and sunset at 7:29 pm. On the last day of April, sunrise is at 6:06 am and sunset at 7:58 pm EDT.

Sunshine

In April, the average sunshine is 8.1h.

UV index

In Lancaster, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Lancaster?

In Lancaster, Pennsylvania, in April, the average high-temperature is 60.3°F (15.7°C), and the average low-temperature is 42.4°F (5.8°C).

What is the least humid month in Lancaster?

April is the least humid month in Lancaster, Pennsylvania, with an average relative humidity of 76%.

What is the average humidity in April in Lancaster?

In April, the average relative humidity in Lancaster is 76%.

How much does it rain in Lancaster in April?

In Lancaster, Pennsylvania, in April, it is raining for 15.5 days, with typically 2.4" (61mm) of accumulated precipitation.

What is the last month it snows in Lancaster?

April is the last month it regularly snows in Lancaster. During 0.1 snowfall days, in April, Lancaster aggregates 0.08" (2mm) of snow.

How many hours of daylight does Lancaster have in April?

In Lancaster, Pennsylvania, the average day length in April is 13h and 17min.

When is the sunrise / sunset in April in Lancaster?

On the first day of April, sunrise is at 6:49 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:58 pm EDT.

How many hours of sunshine does Lancaster have in April?

In Lancaster, Pennsylvania, the average sunshine duration in April is 8.1h.

What is the UV index intensity in April in Lancaster?

In April, the average daily maximum UV index in Lancaster, Pennsylvania, is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Lancaster, PA

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).

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Average pressure in April
Lancaster, PA

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).

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Average wind speed in April
Lancaster, PA

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).

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Average humidity in April
Lancaster, PA

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%).

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Average rainfall in April
Lancaster, PA

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").

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Average rainfall days in April
Lancaster, PA

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).

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Average snowfall in April
Lancaster, PA

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").

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Average snowfall days in April
Lancaster, PA

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).

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Average daylight in April /
Average sunshine in April
Lancaster, PA

Average daylight in April / Average sunshine in April - Lancaster, PA
  • Average daylight in April: 13h and 17min

The month with the longest days is June (Average daylight: 14h and 58min).
The month with the shortest days is December (Average daylight: 9h and 23min).

  • Average sunshine in April: 8h and 6min

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).

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Average sunshine days in April
Lancaster, PA

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).

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Average UV index in April
Lancaster, PA

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).

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Average cloud cover in April
Lancaster, PA

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).

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Average visibility in April
Lancaster, PA

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).

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