March weather forecast
Johnstown, PA

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Weather in March

As March arrives, the city of Johnstown, Pennsylvania welcomes the first signs of the spring season. The plots start to transition from a snowy exterior to patches of green. The sun starts making regular appearances, resulting in increased daylight hours, and a corresponding rise in temperature. Keep in mind that temperatures still dwell in the lower spectrums of 28.8°F (-1.8°C) ascending to 44.2°F (6.8°C), making it far from a balmy atmosphere. Although the snowfall decreases substantially from February, don't be surprised if you encounter a snowy day or two.

Temperature

The start of March brings a shift in the average high-temperature, increasing from February's icy 35.2°F (1.8°C) to a chilly 44.2°F (6.8°C). An average low-temperature of 28.8°F (-1.8°C) is observed during the March nights.

Humidity

In Johnstown, the average relative humidity in March is 81%.

Rainfall

In Johnstown, in March, it is raining for 11.8 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 152.7 rainfall days, and 21.1" (536mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is March, when snow falls for 8.2 days and typically aggregates up to 4.21" (107mm) of snow.

Daylight

The average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:47 am and sunset at 6:07 pm EST. On the last day of March, sunrise is at 6:59 am and sunset at 7:39 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 5.3h.

UV index

In March, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In March, the UV index of 2 transforms into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

How cold is March?

March temperatures vary between a high-temperature of 44.2°F (6.8°C) and a low-temperature of 28.8°F (-1.8°C).

What is the average humidity in March?

In March, the average relative humidity is 81%.

How many days does it rain in March?

In Johnstown, during March, the rain falls for 11.8 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When does it snow the most?

March is the month with the most snowfall. Snow falls for 8.2 days and accumulates 4.21" (107mm) of snow.

How much does it snow in March?

In Johnstown, in March, snow falls for 8.2 days, with typically accumulated 4.21" (107mm) of snow.

What is the average length of the day in March?

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

When is the sunrise / sunset in March?

On the first day of March, sunrise is at 6:47 am and sunset at 6:07 pm EST. On the last day of the month, sunrise is at 6:59 am and sunset at 7:39 pm EDT.

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

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 March, the average sunshine duration is 5.3h.

How high is the UV index in March?

In March, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe 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
Johnstown, PA

Average temperature in March - Johnstown, PA
  • Average high temperature in March: 44.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in March: 28.8°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in March
Johnstown, PA

Average pressure in March - Johnstown, 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).

Average wind speed in March
Johnstown, PA

Average wind speed in March - Johnstown, PA
  • Average wind speed in March: 8.9mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in March
Johnstown, PA

Average humidity in March - Johnstown, PA
  • Average humidity in March: 81%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (78%).

Average rainfall in March
Johnstown, PA

Average rainfall in March - Johnstown, PA
  • Average rainfall in March: 1.73"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.1").

Average rainfall days in March
Johnstown, PA

Average rainfall days in March - Johnstown, PA
  • Average rainfall days in March: 11.8 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in March
Johnstown, PA

Average snowfall in March - Johnstown, PA
  • Average snowfall in March: 4.21"

The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Johnstown, PA

Average snowfall days in March - Johnstown, PA
  • Average snowfall days in March: 8.2 days

The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Johnstown, 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: 5h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in March
Johnstown, PA

Average sunshine days in March - Johnstown, PA
  • Average sunshine days in March: 12.3 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9 days).

Average UV index in March
Johnstown, PA

Average UV index in March - Johnstown, 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).

Average cloud cover in March
Johnstown, PA

Average cloud cover in March - Johnstown, PA
  • Average cloud cover in March: 60

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in March
Johnstown, PA

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

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

Johnstown, Pennsylvania, USA

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