March weather forecast
Exton, PA

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Weather in March

With the arrival of March, Exton witnesses a notable shift in weather from cold to warmer temperatures. The city experiences a marked climb in temperatures, ranging between 33.4°F (0.8°C) and 48.2°F (9°C). The snowfall begins to diminish with just 1.57" (40mm) recorded, spread across fewer days when compared to the preceding months. The lengthening days and reduced snowfall hint at the onset of Spring. The frequency of sunshine slightly rises, painting brighter days ahead.

Temperature

Observing a slight rise in March, the average high-temperature shifts from February's wintry 39.7°F (4.3°C) to a frosty 48.2°F (9°C). During the nights in March, the temperature averages to an icy 33.4°F (0.8°C).

Humidity

In March, the average relative humidity is 75%.

Rainfall

In Exton, in March, it is raining for 9.1 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 124.6 rainfall days, and 14.25" (362mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Exton. March is the month with the most snowfall. Snow falls for 4.5 days and accumulates 1.57" (40mm) of snow.

Daylight

In Exton, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:34 am and sunset at 5:54 pm EST. On the last day of March, in Exton, Pennsylvania, sunrise is at 6:46 am and sunset at 7:26 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 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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 2 in March translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

What are the temperatures in Exton in March?

An average high-temperature, in March, in Exton, is 48.2°F (9°C) and the average low-temperature is 33.4°F (0.8°C).

What is the average humidity in March in Exton?

In Exton, the average relative humidity in March is 75%.

How much does it rain in Exton in March?

In Exton, Pennsylvania, in March, during 9.1 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

What is the snowiest month in Exton?

The month with the most snowfall in Exton, Pennsylvania, is March, when snow falls for 4.5 days and typically aggregates up to 1.57" (40mm) of snow.

How many days does it snow in March in Exton?

In Exton, in March, snow falls for 4.5 days, with typically accumulated 1.57" (40mm) of snow.

How many hours of daylight does Exton have in March?

In Exton, the average day length in March is 11h and 58min.

What time are sunrise and sunset in March in Exton?

In March, on the first day of the month, sunrise is at 6:34 am and sunset at 5:54 pm EST. On the last day of the month, sunrise is at 6:46 am and sunset at 7:26 pm EDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Exton, 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 Exton?

In March, the average sunshine duration in Exton is 6.4h.

What is the month with the lowest UV index in Exton?

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

How high is the UV index in March in Exton?

In March, the average daily maximum UV index in Exton, Pennsylvania, is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Exton, PA

Average temperature in March - Exton, PA
  • Average high temperature in March: 48.2°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in March: 33.4°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in March
Exton, PA

Average pressure in March - Exton, PA
  • Average pressure in March: 30.07"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in March
Exton, PA

Average wind speed in March - Exton, PA
  • Average wind speed in March: 8.5mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in March
Exton, PA

Average humidity in March - Exton, PA
  • Average humidity in March: 75%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (73%).

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Average rainfall in March
Exton, PA

Average rainfall in March - Exton, PA
  • Average rainfall in March: 1.06"

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in March
Exton, PA

Average rainfall days in March - Exton, PA
  • Average rainfall days in March: 9.1 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (5 days).

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Average snowfall in March
Exton, PA

Average snowfall in March - Exton, PA
  • Average snowfall in March: 1.57"

The month with the highest snowfall is March (1.57").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in March
Exton, PA

Average snowfall days in March - Exton, PA
  • Average snowfall days in March: 4.5 days

The month with the highest number of snowfall days is January (5.4 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
Exton, PA

Average daylight in March / Average sunshine in March - Exton, 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
Exton, PA

Average sunshine days in March - Exton, PA
  • Average sunshine days in March: 17.1 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (13.3 days).

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Average UV index in March
Exton, PA

Average UV index in March - Exton, PA
  • Average UV index in March: 2

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

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Average cloud cover in March
Exton, PA

Average cloud cover in March - Exton, PA
  • Average cloud cover in March: 48

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in March
Exton, PA

Average visibility in March - Exton, 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).

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Exton, Pennsylvania, USA

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