March weather forecastGreencastle, PA
March
Weather in March
The first month of the spring, March, is a chilly month in Greencastle, Pennsylvania, with an average temperature ranging between max 48.7°F (9.3°C) and min 32°F (0°C).Temperature
March's onset is marked by a subtle temperature increase, moving from an icy 39.9°F (4.4°C) in February to a frosty 48.7°F (9.3°C). During the March nights, an average temperature of 32°F (0°C) is observed.Humidity
In Greencastle, the average relative humidity in March is 76%.Rainfall
In March, the rain falls for 12.6 days. Throughout March, 2.17" (55mm) of precipitation is accumulated. In Greencastle, during the entire year, the rain falls for 161.8 days and collects up to 28.07" (713mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Greencastle, during March, snow falls for 5.3 days and regularly aggregates up to 3.39" (86mm) of snow. In Greencastle, during the entire year, snow falls for 26.6 days and aggregates up to 14.69" (373mm) of snow.Daylight
In Greencastle, the average length of the day in March is 11h and 59min.On the first day of the month, sunrise is at 6:42 am and sunset at 6:03 pm EST. On the last day of March, sunrise is at 6:55 am and sunset at 7:34 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 Greencastle, Pennsylvania, the average sunshine in March is 6.4h.UV index
In March, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 3 during March morphs into the following directions:
Exercise prevention - Warding off sunburn is urged. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Greencastle, PA
- Average high temperature in March: 48.7°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in March: 32°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in March
Greencastle, 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
Greencastle, PA
- Average wind speed in March: 7.5mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in March
Greencastle, PA
- Average humidity in March: 76%
The months with the highest relative humidity are February, May, October and December (79%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in March
Greencastle, PA
- Average rainfall in March: 2.17"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in March
Greencastle, PA
- Average rainfall days in March: 12.6 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in March
Greencastle, PA
- Average snowfall in March: 3.39"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Greencastle, PA
- Average snowfall days in March: 5.3 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Greencastle, PA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in March: 6h and 24min
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 36min).
Average sunshine days in March
Greencastle, PA
- Average sunshine days in March: 13.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in March
Greencastle, PA
- Average UV index in March: 3
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, November and December (UV index 2).
Average cloud cover in March
Greencastle, PA
- Average cloud cover in March: 49
The months with the most cloud cover are January, February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in March
Greencastle, PA
- Average visibility in March: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).





