March weather forecast
South Mountain, PA

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Weather in March

March, the first month of the spring in South Mountain, is a chilly month, with an average temperature ranging between min 31.6°F (-0.2°C) and max 48.7°F (9.3°C).

Temperature

Entering March, South Mountain sees a temperature rise, with the average high-temperature advancing from February's icy 39.7°F (4.3°C) to a chilly 48.7°F (9.3°C). In South Mountain, the nighttime temperature averages to a subzero cold 31.6°F (-0.2°C) during March.

Humidity

In South Mountain, the average relative humidity in March is 77%.

Rainfall

In South Mountain, in March, during 10.2 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 125.3 rainfall days, and 10.59" (269mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In South Mountain, in March, during 3.7 snowfall days, 0.79" (20mm) of snow is typically accumulated. In South Mountain, during the entire year, snow falls for 20.2 days and aggregates up to 3.54" (90mm) of snow.

Daylight

In South Mountain, the average length of the day in March is 11h and 59min.
On the first day of the month, sunrise is at 6:41 am and sunset at 6:02 pm EST. On the last day of March, in South Mountain, sunrise is at 6:54 am and sunset at 7:33 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

The average sunshine in March in South Mountain is 6.4h.

UV index

In March, the average daily maximum UV index in South Mountain is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In March, the maximum UV index of 3 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. When the Sun is at its strongest around midday, find shade and limit exposure. 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. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What is the average March temperature in South Mountain?

In March, the average high-temperature and low-temperature are 48.7°F (9.3°C) and 31.6°F (-0.2°C) respectively.

What is the average humidity in March in South Mountain?

In March, the average relative humidity in South Mountain is 77%.

How much does it rain in South Mountain in March?

In South Mountain, in March, during 10.2 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

How many days does it snow in March in South Mountain?

In South Mountain, Pennsylvania, in March, during 3.7 snowfall days, 0.79" (20mm) of snow is typically accumulated.

What is the average length of the day in March in South Mountain?

The average day length in March in South Mountain, Pennsylvania, is 11h and 59min.

When is the sunrise / sunset in March in South Mountain?

In March, on the first day of the month, sunrise is at 6:41 am and sunset at 6:02 pm EST. On the last day of the month, in South Mountain, Pennsylvania, sunrise is at 6:54 am and sunset at 7:33 pm EDT.

When does Daylight Saving Time (DST) start in March in South Mountain?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in South Mountain?

The average sunshine duration in March in South Mountain, Pennsylvania, is 6.4h.

What is the UV index intensity in March in South Mountain?

In March, the average daily maximum UV index in South Mountain, Pennsylvania, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
South Mountain, PA

Average temperature in March - South Mountain, PA
  • Average high temperature in March: 48.7°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in March: 31.6°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in March
South Mountain, PA

Average pressure in March - South Mountain, PA
  • Average pressure in March: 30.08"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in March
South Mountain, PA

Average wind speed in March - South Mountain, PA
  • Average wind speed in March: 7.8mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in March
South Mountain, PA

Average humidity in March - South Mountain, PA
  • Average humidity in March: 77%

The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in March
South Mountain, PA

Average rainfall in March - South Mountain, PA
  • Average rainfall in March: 0.71"

The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").

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Average rainfall days in March
South Mountain, PA

Average rainfall days in March - South Mountain, PA
  • Average rainfall days in March: 10.2 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in March
South Mountain, PA

Average snowfall in March - South Mountain, PA
  • Average snowfall in March: 0.79"

The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in March
South Mountain, PA

Average snowfall days in March - South Mountain, PA
  • Average snowfall days in March: 3.7 days

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in March /
Average sunshine in March
South Mountain, PA

Average daylight in March / Average sunshine in March - South Mountain, 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 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).

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Average sunshine days in March
South Mountain, PA

Average sunshine days in March - South Mountain, PA
  • Average sunshine days in March: 16.8 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is May (12.9 days).

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Average UV index in March
South Mountain, PA

Average UV index in March - South Mountain, PA
  • Average UV index in March: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in March
South Mountain, PA

Average cloud cover in March - South Mountain, PA
  • Average cloud cover in March: 49

The months with the most cloud cover are January and February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in March
South Mountain, PA

Average visibility in March - South Mountain, PA
  • Average visibility in March: 6mi

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

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South Mountain, Pennsylvania, USA

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