March weather forecast and climate
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 March

March, the first month of the spring, in Harrisburg, is a frosty month, with average temperature fluctuating between 47.8°F (8.8°C) and 31.6°F (-0.2°C).

Temperature

In Harrisburg, the average high-temperature rises, from a cold 38.3°F (3.5°C) in February, to a chilly 47.8°F (8.8°C). In March, in Harrisburg, Pennsylvania, the average low-temperature is 31.6°F (-0.2°C).

Humidity

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

Rainfall

In Harrisburg, Pennsylvania, during March, the rain falls for 9 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in Harrisburg, there are 122.3 rainfall days, and 11.73" (298mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Harrisburg, Pennsylvania, in March, snow falls for 3.7 days, with typically accumulated 1.1" (28mm) of snow. In Harrisburg, during the entire year, snow falls for 19.9 days, and aggregates up to 4.29" (109mm) of snow.

Daylight

The average length of the day in Harrisburg is 12h.

Sunshine

In Harrisburg, the average sunshine in March is 6.4h.

UV index

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in March interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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. 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 March in Harrisburg?

The average high-temperature, in March, in Harrisburg, Pennsylvania, is 47.8°F (8.8°C), while the average low-temperature is 31.6°F (-0.2°C).

What is the least humid month in Harrisburg?

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

What is the average humidity in March in Harrisburg?

In March, the average relative humidity in Harrisburg is 75%.

How much does it rain in Harrisburg in March?

In Harrisburg, Pennsylvania, during March, the rain falls for 9 days and regularly aggregates up to 0.83" (21mm) of precipitation.

How many days does it snow in March in Harrisburg?

In Harrisburg, in March, snow falls for 3.7 days, with typically accumulated 1.1" (28mm) of snow.

How many hours of daylight does Harrisburg have in March?

In Harrisburg, Pennsylvania, the average length of the day in March is 12h.

How many hours of sunshine does Harrisburg have in March?

In March, the average sunshine in Harrisburg is 6.4h.

When is the lowest UV index in Harrisburg?

Months with the lowest UV index in Harrisburg are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in March in Harrisburg?

In March, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in March
Harrisburg, PA

Average temperature in March - Harrisburg, PA
  • Average high temperature in March: 47.8°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 March: 31.6°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 March
Harrisburg, PA

Average pressure in March - Harrisburg, PA
  • Average pressure in March: 30.08"

The month with the highest atmospheric pressure is November (30.13").
The month with the lowest atmospheric pressure is June (29.95").

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Average wind speed in March
Harrisburg, PA

Average wind speed in March - Harrisburg, PA
  • Average wind speed in March: 8.2mph

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 March
Harrisburg, PA

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

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

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Average rainfall in March
Harrisburg, PA

Average rainfall in March - Harrisburg, PA
  • Average rainfall in March: 0.83"

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 March
Harrisburg, PA

Average rainfall days in March - Harrisburg, PA
  • Average rainfall days in March: 9 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 March
Harrisburg, PA

Average snowfall in March - Harrisburg, PA
  • Average snowfall in March: 1.1"

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

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Average snowfall days in March
Harrisburg, PA

Average snowfall days in March - Harrisburg, PA
  • Average snowfall days in March: 3.7 days

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

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

Average daylight in March / Average sunshine in March - Harrisburg, PA
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in March: 6.4h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in March
Harrisburg, PA

Average sunshine days in March - Harrisburg, PA
  • Average sunshine days in March: 18.3 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 March
Harrisburg, PA

Average UV index in March - Harrisburg, PA
  • Average UV index in March: 2

Months with the highest UV index are May, June and July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in March
Harrisburg, PA

Average cloud cover in March - Harrisburg, PA
  • Average cloud cover in March: 49

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 March
Harrisburg, PA

Average visibility in March - Harrisburg, PA
  • Average visibility in March: 6mi

Months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
Months with the lowest visibility are May and September (5mi).

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