March weather forecastHarrisburg, PA

March
Weather in March
As spring draws near, temperatures in Harrisburg start to rise, making the city gradually come alive with colors. March witnesses a decline in snowfall to 1.1" (28mm) and temperatures taking a swing towards warmth. Less harsh weather conditions allow for outdoor adventures, and residents see daylight stretching for 12 hours on average. Turning-over grounds make way for greenery that starts to peek through the drab winter landscape. March stands as a symbol of change, ushering in the bloom of spring.Temperature
Harrisburg sees an increase in average high-temperatures during March, moving from a cold 38.3°F (3.5°C) in February to a chilly 47.8°F (8.8°C). In the month of March, Harrisburg experiences an average low-temperature of 31.6°F (-0.2°C).Humidity
March and April, with an average relative humidity of 75%, are the least humid months.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
January through April, November and December are months with snowfall. In Harrisburg, in March, during 3.7 snowfall days, 1.1" (28mm) of snow is typically accumulated. Throughout the year, there are 19.9 snowfall days, and 4.29" (109mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 6:39 am and sunset at 5:59 pm EST. On the last day of March, sunrise is at 6:51 am and sunset at 7:31 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.
Sunshine
In March, the average sunshine is 6.4h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In March, the maximum UV index of 2 translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in March
Harrisburg, PA
- Average pressure in March: 30.08"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 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).
Average humidity in March
Harrisburg, PA
- Average humidity in March: 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 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").
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: 1.1"
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 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).
The 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 and 0min
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 March: 6h and 24min
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 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
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 March
Harrisburg, PA
- Average cloud cover in March: 49
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 March
Harrisburg, PA
- Average visibility in March: 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).





