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

Temperature

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

Humidity

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

Rainfall

In Harrisburg, in March, it is raining for 9 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 122.3 rainfall days, and 11.73" (298mm) of precipitation is accumulated.

Snowfall

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

Daylight

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

Sunshine

In March, the average sunshine in Harrisburg 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 reading of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In March, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. 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.

What is the temperature in March in Harrisburg?

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

What are the least humid months in Harrisburg?

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

What is the average humidity in March in Harrisburg?

The average relative humidity in March in Harrisburg, Pennsylvania, 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, Pennsylvania, in March, snow falls for 3.7 days, with typically accumulated 1.1" (28mm) of snow.

What is the average length of the day in March in Harrisburg?

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

How many hours of sunshine does Harrisburg have in March?

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

What are the months with the lowest UV index in Harrisburg?

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

What is the UV index reading in March in Harrisburg?

In March, the average daily maximum UV index in Harrisburg is 2. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation.
Average temperature in March - Harrisburg, PA
  • Average high temperature in March: 8.8°C

The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (1.7°C).

  • Average low temperature in March: -0.2°C

The month with the highest average low temperature is July (17.5°C).
The coldest month (with the lowest average low temperature) is January (-5.5°C).

Average pressure in March - Harrisburg, PA
  • Average pressure in March: 1018.5mbar

The month with the highest atmospheric pressure is November (1020.4mbar).
The month with the lowest atmospheric pressure is June (1014.1mbar).

Average wind speed in March - Harrisburg, PA
  • Average wind speed in March: 13.2km/h

The windiest month (with the highest average wind speed) is March (13.2km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).

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%).

Average rainfall in March - Harrisburg, PA
  • Average rainfall in March: 21mm

The wettest month (with the highest rainfall) is August (33mm).
The driest months (with the least rainfall) are January and February (18mm).

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).

Average snowfall in March - Harrisburg, PA
  • Average snowfall in March: 28mm

The month with the highest snowfall is February (33mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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).

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).

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).

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).

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).

Average visibility in March - Harrisburg, PA
  • Average visibility in March: 9km

Months with the highest visibility are January, February, March, April, June, July, August, October, November and December (9km).
Months with the lowest visibility are May and September (8km).