March weather forecast
Williamsport, PA

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Weather in March

March marks the onset of spring in Williamsport. The snow has mostly started to retreat, paving the way for a change in atmosphere with rainfall recordings standing at an average of 1.1" (28mm). The increases in temperature to a high of 44.2°F (6.8°C) and a low of 27.7°F (-2.4°C) bring a noticeable difference from the winter months. The city starts to wake up from its winter slumber with longer daylight hours and higher UV index. With the weather becoming increasingly mild, outdoor activities start to resurface.

Temperature

As Williamsport, Pennsylvania, transitions into March, the average high-temperature is observed to rise from a wintry 34.5°F (1.4°C) in February to a chilly 44.2°F (6.8°C). During March in Williamsport, the average low-temperature is recorded at a freezing cold 27.7°F (-2.4°C).

Humidity

In Williamsport, the average relative humidity in March is 78%.

Rainfall

In Williamsport, in March, during 11 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 145.2 rainfall days, and 16.57" (421mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Williamsport, Pennsylvania. In Williamsport, in March, snow falls for 5.3 days, with typically accumulated 1.14" (29mm) of snow. Throughout the year, there are 39.1 snowfall days, and 7.56" (192mm) of snow is accumulated.

Daylight

In Williamsport, the average length of the day in March 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

The average sunshine in March is 5.9h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Williamsport. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 2 during March leads to these advisories:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

Is it cold in Williamsport during March?

During March, Williamsport experiences an average high-temperature of 44.2°F (6.8°C) and a low-temperature of 27.7°F (-2.4°C).

What is the average humidity in March in Williamsport?

The average relative humidity in March in Williamsport is 78%.

How many days does it rain in March in Williamsport?

In March, in Williamsport, the rain falls for 11 days. Throughout March, 1.1" (28mm) of precipitation is accumulated.

How many days does it snow in March in Williamsport?

In Williamsport, during March, snow falls for 5.3 days and regularly aggregates up to 1.14" (29mm) of snow.

How many hours of daylight does Williamsport have in March?

The average day length in March in Williamsport, Pennsylvania, is 11h and 58min.

When are sunrise and sunset in March in Williamsport?

On the first day of March in Williamsport, 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.

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

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

How many hours of sunshine does Williamsport have in March?

In March, the average sunshine duration is 5.9h.

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

The months with the lowest UV index in Williamsport are January through March, October through December, with an average maximum UV index of 2.

What is the UV index intensity in March in Williamsport?

In Williamsport, Pennsylvania, the average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to 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
Williamsport, PA

Average temperature in March - 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).

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Average pressure in March
Williamsport, PA

Average pressure in March - 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).

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Average wind speed in March
Williamsport, PA

Average wind speed in March - 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).

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Average humidity in March
Williamsport, PA

Average humidity in March - 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%).

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Average rainfall in March
Williamsport, PA

Average rainfall in March - 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").

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Average rainfall days in March
Williamsport, PA

Average rainfall days in March - 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).

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Average snowfall in March
Williamsport, PA

Average snowfall in March - 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").

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Average snowfall days in March
Williamsport, PA

Average snowfall days in March - 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).

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

Average daylight in March / Average sunshine in March - 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 5min

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).

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Average sunshine days in March
Williamsport, PA

Average sunshine days in March - 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).

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Average UV index in March
Williamsport, PA

Average UV index in March - 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).

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Average cloud cover in March
Williamsport, PA

Average cloud cover in March - 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).

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Average visibility in March
Williamsport, PA

Average visibility in March - 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).

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Williamsport, Pennsylvania, USA

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