March weather forecastHarrow, PA
March
Weather in March
The first month of the spring, March, is a frosty month in Harrow, Pennsylvania, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 46.9°F (8.3°C).Temperature
March marks a minor ascent in the average high-temperature, adjusting from February's cold 38.7°F (3.7°C) to a frosty 46.9°F (8.3°C). March nights observe an average temperature dip to a subzero cold 31.1°F (-0.5°C).Humidity
In March, the average relative humidity is 77%.Rainfall
In March, the rain falls for 8.1 days. Throughout March, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 91.3 rainfall days, and 7.28" (185mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. The month with the most snowfall in Harrow is March, when snow falls for 3.5 days and typically aggregates up to 0.63" (16mm) of snow.Daylight
The average length of the day in March in Harrow is 11h and 58min.On the first day of March in Harrow, Pennsylvania, sunrise is at 6:33 am and sunset at 5:52 pm EST. On the last day of the month, sunrise is at 6:44 am and sunset at 7:24 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 Harrow, Pennsylvania, the average sunshine in March is 6.2h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Harrow. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in March interprets into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Harrow, PA
- Average high temperature in March: 46.9°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in March: 31.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in March
Harrow, PA
- Average pressure in March: 30.06"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).
Average wind speed in March
Harrow, PA
- Average wind speed in March: 8.3mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in March
Harrow, PA
- Average humidity in March: 77%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in March
Harrow, PA
- Average rainfall in March: 0.55"
The wettest month (with the highest rainfall) is July (0.91").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in March
Harrow, PA
- Average rainfall days in March: 8.1 days
The months with the highest number of rainy days are June and July (10.2 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in March
Harrow, PA
- Average snowfall in March: 0.63"
The month with the highest snowfall is March (0.63").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in March
Harrow, PA
- Average snowfall days in March: 3.5 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Harrow, 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 18min).
- Average sunshine in March: 6h and 12min
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
Harrow, PA
- Average sunshine days in March: 20.2 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is June (16.7 days).
Average UV index in March
Harrow, PA
- Average UV index in March: 2
The months with the highest UV index are 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
Harrow, PA
- Average cloud cover in March: 49
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in March
Harrow, PA
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, November and December (6mi).
The months with the lowest visibility are May, June, July, August, September and October (5mi).





