March weather forecastGrantham, PA
March
Weather in March
March, the first month of the spring in Grantham, is a chilly month, with an average temperature varying between 48°F (8.9°C) and 31.6°F (-0.2°C).Temperature
Grantham sees an increase in average high-temperatures during March, moving from a cold 38.8°F (3.8°C) in February to a frosty 48°F (8.9°C). Grantham experiences a consistent average temperature of 31.6°F (-0.2°C) throughout the nights in March.Humidity
In Grantham, Pennsylvania, the average relative humidity in March is 76%.Rainfall
In Grantham, during March, the rain falls for 10.8 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, in Grantham, there are 137.7 rainfall days, and 18.43" (468mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Grantham, in March, during 4.9 snowfall days, 2.36" (60mm) of snow is typically accumulated. In Grantham, Pennsylvania, during the entire year, snow falls for 23.7 days and aggregates up to 8.62" (219mm) 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 6:40 am and sunset at 6:00 pm EST. On the last day of March, sunrise is at 6:52 am and sunset at 7:31 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 6.5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In March, the maximum UV index of 2 suggests these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Grantham, PA
- Average high temperature in March: 48°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in March: 31.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in March
Grantham, 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
Grantham, PA
- Average wind speed in March: 8.4mph
The windiest months (with the highest average wind speed) are February, March and April (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in March
Grantham, PA
- Average humidity in March: 76%
The months with the highest relative humidity are February and May (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in March
Grantham, PA
- Average rainfall in March: 1.3"
The wettest months (with the highest rainfall) are May and July (2.05").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in March
Grantham, PA
- Average rainfall days in March: 10.8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in March
Grantham, PA
- Average snowfall in March: 2.36"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Grantham, PA
- Average snowfall days in March: 4.9 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Grantham, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in March
Grantham, PA
- Average sunshine days in March: 15.7 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in March
Grantham, 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
Grantham, PA
- Average cloud cover in March: 48
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in March
Grantham, 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).
