April weather forecast
Mechanicsburg, PA

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Weather in April

April in Mechanicsburg, Pennsylvania, is a moderate spring month, with an average temperature ranging between max 60.1°F (15.6°C) and min 41.7°F (5.4°C).

Temperature

As Mechanicsburg transitions into April, the average high-temperature shows a change, moving from a chilly 47.8°F (8.8°C) in March to a moderate 60.1°F (15.6°C). Mechanicsburg witnesses an average low-temperature of 41.7°F (5.4°C) throughout the month of April.

Humidity

March and April, with an average relative humidity of 75%, are the least humid months.

Rainfall

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

Snowfall

January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.2 snowfall days, in April, Mechanicsburg 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 April, the average length of the day is 13h and 18min.
On the first day of the month, sunrise is at 6:50 am and sunset at 7:32 pm. On the last day of April, sunrise is at 6:07 am and sunset at 8:02 pm EDT.

Sunshine

In April, the average sunshine is 8.3h.

UV index

In Mechanicsburg, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 during April translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April?

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

What is the least humid month?

March and April, with an average relative humidity of 75%, are the least humid months.

What is the average humidity in April?

In Mechanicsburg, Pennsylvania, the average relative humidity in April is 75%.

How many days does it rain 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?

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

How many hours of daylight does Mechanicsburg have in April?

The average day length in April is 13h and 18min.

When is the sunrise / sunset in April in Mechanicsburg?

On the first day of April, sunrise is at 6:50 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:02 pm EDT.

How many hours of sunshine does Mechanicsburg have in April?

In Mechanicsburg, the average sunshine duration in April is 8.3h.

How high is the UV index in April?

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Mechanicsburg, PA

Average temperature in April - Mechanicsburg, 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).

Average pressure in April
Mechanicsburg, PA

Average pressure in April - Mechanicsburg, 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).

Average wind speed in April
Mechanicsburg, PA

Average wind speed in April - Mechanicsburg, 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).

Average humidity in April
Mechanicsburg, PA

Average humidity in April - Mechanicsburg, 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%).

Average rainfall in April
Mechanicsburg, PA

Average rainfall in April - Mechanicsburg, 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").

Average rainfall days in April
Mechanicsburg, PA

Average rainfall days in April - Mechanicsburg, 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).

Average snowfall in April
Mechanicsburg, PA

Average snowfall in April - Mechanicsburg, 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").

Average snowfall days in April
Mechanicsburg, PA

Average snowfall days in April - Mechanicsburg, 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).

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

Average daylight in April / Average sunshine in April - Mechanicsburg, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in April
Mechanicsburg, PA

Average sunshine days in April - Mechanicsburg, 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).

Average UV index in April
Mechanicsburg, PA

Average UV index in April - Mechanicsburg, 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).

Average cloud cover in April
Mechanicsburg, PA

Average cloud cover in April - Mechanicsburg, 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).

Average visibility in April
Mechanicsburg, PA

Average visibility in April - Mechanicsburg, 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).

Mechanicsburg, Pennsylvania, USA

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