March weather forecast
Mercer, PA

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Weather in March

The first month of the spring, March, is a chilly month in Mercer, Pennsylvania, with an average temperature fluctuating between 44.4°F (6.9°C) and 28.2°F (-2.1°C).

Temperature

March indicates a change in the average high-temperature, moving up from a wintry 34.5°F (1.4°C) in February to a frosty 44.4°F (6.9°C). In Mercer, the nighttime temperature averages to a freezing cold 28.2°F (-2.1°C) during March.

Humidity

In Mercer, Pennsylvania, the average relative humidity in March is 82%.

Rainfall

In March, in Mercer, Pennsylvania, the rain falls for 13.8 days. Throughout March, 3.03" (77mm) of precipitation is accumulated. Throughout the year, in Mercer, there are 180.8 rainfall days, and 36.65" (931mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Mercer are January through May, October through December. In Mercer, in March, snow falls for 11.8 days, with typically accumulated 4.33" (110mm) of snow. Throughout the year, there are 76.2 snowfall days, and 32.36" (822mm) of snow is accumulated.

Daylight

In Mercer, Pennsylvania, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:53 am and sunset at 6:12 pm EST. On the last day of March, in Mercer, sunrise is at 7:04 am and sunset at 7:45 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 Mercer, the average sunshine in March is 5.2h.

UV index

In Mercer, the average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 2 in March suggests the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

How cold does it get in Mercer in March?

During March, Mercer experiences an average high-temperature of 44.4°F (6.9°C) and a low-temperature of 28.2°F (-2.1°C).

What is the average humidity in March in Mercer?

In Mercer, the average relative humidity in March is 82%.

How many days does it rain in March in Mercer?

In Mercer, in March, it is raining for 13.8 days, with typically 3.03" (77mm) of accumulated precipitation.

How much does it snow in Mercer in March?

In March, in Mercer, it is snowing for 11.8 days. Throughout March, 4.33" (110mm) of snow is accumulated.

What is the average length of the day in March in Mercer?

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

When is the sunrise / sunset in March in Mercer?

In March, on the first day of the month, sunrise is at 6:53 am and sunset at 6:12 pm EST. On the last day of the month, sunrise is at 7:04 am and sunset at 7:45 pm EDT.

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

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

In March, the average sunshine duration is 5.2h.

What is the UV index reading in March in Mercer?

In Mercer, Pennsylvania, the average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Mercer, PA

Average temperature in March - Mercer, PA
  • Average high temperature in March: 44.4°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in March: 28.2°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in March
Mercer, PA

Average pressure in March - Mercer, PA
  • Average pressure in March: 30.08"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
Mercer, PA

Average wind speed in March - Mercer, PA
  • Average wind speed in March: 7.6mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in March
Mercer, PA

Average humidity in March - Mercer, PA
  • Average humidity in March: 82%

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May and July (79%).

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Average rainfall in March
Mercer, PA

Average rainfall in March - Mercer, PA
  • Average rainfall in March: 3.03"

The wettest months (with the highest rainfall) are April and June (3.74").
The driest month (with the least rainfall) is November (2.2").

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Average rainfall days in March
Mercer, PA

Average rainfall days in March - Mercer, PA
  • Average rainfall days in March: 13.8 days

The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in March
Mercer, PA

Average snowfall in March - Mercer, PA
  • Average snowfall in March: 4.33"

The month with the highest snowfall is January (8.27").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in March
Mercer, PA

Average snowfall days in March - Mercer, PA
  • Average snowfall days in March: 11.8 days

The month with the highest number of snowfall days is January (19.6 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
Mercer, PA

Average daylight in March / Average sunshine in March - Mercer, 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 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days in March
Mercer, PA

Average sunshine days in March - Mercer, PA
  • Average sunshine days in March: 9.3 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (6.2 days).

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Average UV index in March
Mercer, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in March
Mercer, PA

Average cloud cover in March - Mercer, PA
  • Average cloud cover in March: 59

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in March
Mercer, PA

Average visibility in March - Mercer, PA
  • Average visibility in March: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).

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Mercer, Pennsylvania, USA

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