March weather forecast
Cornwall, PA

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Weather in March

The first month of the spring, March, is a frosty month in Cornwall, Pennsylvania, with an average temperature varying between 31.1°F (-0.5°C) and 46.9°F (8.3°C).

Temperature

March witnesses an increase in the average high-temperature, moving from a cold 37.9°F (3.3°C) in February to a chilly 46.9°F (8.3°C). In March, the temperature drops to an average of 31.1°F (-0.5°C) at night.

Humidity

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

Rainfall

In Cornwall, during March, the rain falls for 10.9 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Cornwall, during the entire year, the rain falls for 137.4 days and collects up to 16.26" (413mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Cornwall, during March, snow falls for 4.2 days and regularly aggregates up to 1.65" (42mm) of snow. In Cornwall, during the entire year, snow falls for 19.5 days and aggregates up to 6.69" (170mm) of snow.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 6:37 am and sunset at 5:57 pm EST. On the last day of March, in Cornwall, Pennsylvania, sunrise is at 6:49 am and sunset at 7:29 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 6.3h.

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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in March transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

What is the temperature in March in Cornwall?

In March, in Cornwall, the average high-temperature is 46.9°F (8.3°C), and the average low-temperature is 31.1°F (-0.5°C).

What is the average humidity in March?

The average relative humidity in March is 77%.

How many days does it rain in March?

In Cornwall, during March, the rain falls for 10.9 days and regularly aggregates up to 1.18" (30mm) of precipitation.

How many days does it snow in March?

In Cornwall, in March, snow falls for 4.2 days, with typically accumulated 1.65" (42mm) of snow.

How many hours of daylight does Cornwall have in March?

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

What time are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:37 am and sunset at 5:57 pm EST. On the last day of the month, sunrise is at 6:49 am and sunset at 7:29 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 many hours of sunshine does Cornwall have in March?

The average sunshine duration in March is 6.3h.

What are the months with the lowest UV index?

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

What is the UV index intensity in March?

The average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Cornwall, PA

Average temperature in March - Cornwall, PA
  • Average high temperature in March: 46.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in March: 31.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in March
Cornwall, PA

Average pressure in March - Cornwall, 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).

Average wind speed in March
Cornwall, PA

Average wind speed in March - Cornwall, PA
  • Average wind speed in March: 8.8mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in March
Cornwall, PA

Average humidity in March - Cornwall, PA
  • Average humidity in March: 77%

The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in March
Cornwall, PA

Average rainfall in March - Cornwall, PA
  • Average rainfall in March: 1.18"

The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is February (0.94").

Average rainfall days in March
Cornwall, PA

Average rainfall days in March - Cornwall, PA
  • Average rainfall days in March: 10.9 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in March
Cornwall, PA

Average snowfall in March - Cornwall, PA
  • Average snowfall in March: 1.65"

The month with the highest snowfall is January (1.97").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Cornwall, PA

Average snowfall days in March - Cornwall, PA
  • Average snowfall days in March: 4.2 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Cornwall, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in March
Cornwall, PA

Average sunshine days in March - Cornwall, PA
  • Average sunshine days in March: 16.3 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in March
Cornwall, PA

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

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

Average cloud cover in March
Cornwall, PA

Average cloud cover in March - Cornwall, PA
  • Average cloud cover in March: 49

The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in March
Cornwall, PA

Average visibility in March - Cornwall, PA
  • Average visibility in March: 6mi

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

Cornwall, Pennsylvania, USA

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