April weather forecast
Harrisburg, PA

A church, a mosque, and other buildings along State Street in Harrisburg, Pennsylvania
A church, a mosque, and other buildings along State Street in Harrisburg, Pennsylvania

Weather in April

April in Harrisburg, Pennsylvania, is a mild spring month, with an average temperature varying between 60.1°F (15.6°C) and 41.7°F (5.4°C).

Temperature

In Harrisburg, the average high-temperature in April increases from a chilly 47.8°F (8.8°C) in March to a moderate 60.1°F (15.6°C). In April, the average low-temperature is 41.7°F (5.4°C).

Humidity

The months with the lowest humidity in Harrisburg are March and April, with an average relative humidity of 75%.

Rainfall

In Harrisburg, in April, during 13.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Harrisburg, during the entire year, the rain falls for 122.3 days and collects up to 11.73" (298mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, Harrisburg aggregates 0.04" (1mm) of snow. Throughout the year, there are 19.9 snowfall days, and 4.29" (109mm) of snow is accumulated.

Daylight

In Harrisburg, Pennsylvania, the average length of the day in April is 13h and 18min.
On the first day of the month, sunrise is at 6:51 am and sunset at 7:31 pm. On the last day of April, in Harrisburg, sunrise is at 6:08 am and sunset at 8:01 pm EDT.

Sunshine

The average sunshine in April is 8.3h.

UV index

In April, the average daily maximum UV index in Harrisburg is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in April in Harrisburg?

In April, the average high-temperature is 60.1°F (15.6°C), and the average low-temperature is 41.7°F (5.4°C).

What are the least humid months in Harrisburg?

The months with the lowest humidity in Harrisburg, Pennsylvania, are March and April, with an average relative humidity of 75%.

What is the average humidity in April in Harrisburg?

The average relative humidity in April in Harrisburg, Pennsylvania, is 75%.

How much does it rain in Harrisburg in April?

In April, the rain falls for 13.1 days. Throughout April, 1.02" (26mm) of precipitation is accumulated.

What is the last month it snows in Harrisburg?

April is the last month it regularly snows in Harrisburg. During 0.2 snowfall days, in April, Harrisburg aggregates 0.04" (1mm) of snow.

How many hours of daylight does Harrisburg have in April?

In Harrisburg, Pennsylvania, the average day length in April is 13h and 18min.

When are sunrise and sunset in April in Harrisburg?

On the first day of April, sunrise is at 6:51 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:01 pm EDT.

How many hours of sunshine does Harrisburg have in April?

The average sunshine duration in April in Harrisburg is 8.3h.

How high is the UV index in April in Harrisburg?

In Harrisburg, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Harrisburg, PA

Average temperature in April - Harrisburg, PA
  • Average high temperature in April: 60.1°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in April: 41.7°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in April
Harrisburg, PA

Average pressure in April - Harrisburg, 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 (29.95"Hg).

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Average wind speed in April
Harrisburg, PA

Average wind speed in April - Harrisburg, PA
  • Average wind speed in April: 8.1mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in April
Harrisburg, PA

Average humidity in April - Harrisburg, PA
  • Average humidity in April: 75%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are March and April (75%).

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Average rainfall in April
Harrisburg, PA

Average rainfall in April - Harrisburg, PA
  • Average rainfall in April: 1.02"

The wettest month (with the highest rainfall) is August (1.3").
The driest months (with the least rainfall) are January and February (0.71").

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Average rainfall days in April
Harrisburg, PA

Average rainfall days in April - Harrisburg, PA
  • Average rainfall days in April: 13.1 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall in April
Harrisburg, PA

Average snowfall in April - Harrisburg, PA
  • Average snowfall in April: 0.04"

The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Harrisburg, PA

Average snowfall days in April - Harrisburg, PA
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in April / Average sunshine in April - Harrisburg, PA
  • Average daylight in April: 13h and 18min

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 22min).

  • Average sunshine in April: 8h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in April
Harrisburg, PA

Average sunshine days in April - Harrisburg, PA
  • Average sunshine days in April: 15 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (14.1 days).

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Average UV index in April
Harrisburg, PA

Average UV index in April - Harrisburg, PA
  • Average UV index in April: 4

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, March, November and December (UV index 2).

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Average cloud cover in April
Harrisburg, PA

Average cloud cover in April - Harrisburg, PA
  • Average cloud cover in April: 45

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in April
Harrisburg, PA

Average visibility in April - Harrisburg, 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).

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