March weather forecastSouth Williamsport, PA
March
Weather in March
The first month of the spring, March, is a chilly month in South Williamsport, Pennsylvania, with an average temperature ranging between min 27.7°F (-2.4°C) and max 44.2°F (6.8°C).Temperature
The start of March signals an increase in the average high-temperature, moving from a cold 34.5°F (1.4°C) in February to a frosty 44.2°F (6.8°C). Throughout the March nights, South Williamsport encounters a low-temperature of 27.7°F (-2.4°C).Humidity
In South Williamsport, the average relative humidity in March is 78%.Rainfall
In South Williamsport, Pennsylvania, in March, it is raining for 11 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, there are 145.2 rainfall days, and 16.57" (421mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In South Williamsport, in March, during 5.3 snowfall days, 1.14" (29mm) of snow is typically accumulated. In South Williamsport, during the entire year, snow falls for 39.1 days and aggregates up to 7.56" (192mm) of snow.Daylight
In March, the average length of the day is 11h and 58min.On the first day of March, sunrise is at 6:41 am and sunset at 5:59 pm EST. On the last day of the month, sunrise is at 6:51 am and sunset at 7:32 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 5.9h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in March interprets into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
South Williamsport, PA
- Average high temperature in March: 44.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in March: 27.7°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in March
South Williamsport, 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 (29.94"Hg).
Average wind speed in March
South Williamsport, PA
- Average wind speed in March: 7.5mph
The windiest months (with the highest average wind speed) are January, March and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in March
South Williamsport, PA
- Average humidity in March: 78%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in March
South Williamsport, PA
- Average rainfall in March: 1.1"
The wettest month (with the highest rainfall) is April (1.93").
The driest month (with the least rainfall) is November (0.94").
Average rainfall days in March
South Williamsport, PA
- Average rainfall days in March: 11 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in March
South Williamsport, PA
- Average snowfall in March: 1.14"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
South Williamsport, PA
- Average snowfall days in March: 5.3 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
South Williamsport, PA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in March: 5h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in March
South Williamsport, PA
- Average sunshine days in March: 16.2 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in March
South Williamsport, PA
- Average UV index in March: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in March
South Williamsport, PA
- Average cloud cover in March: 54
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in March
South Williamsport, PA
- Average visibility in March: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is September (4mi).





