April weather forecastHarford, PA
April
Weather in April
April is a cool spring month in Harford, Pennsylvania, with an average temperature fluctuating between 53.4°F (11.9°C) and 35.8°F (2.1°C).Temperature
The beginning of April signals a rise in the average high-temperature, moving from a wintry 40.8°F (4.9°C) in March to a fresh 53.4°F (11.9°C). Nighttime temperature experiences an average drop to a cold 35.8°F (2.1°C) in April.Humidity
The average relative humidity in April is 79%.Rainfall
In April, the rain falls for 17.1 days. Throughout April, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 163.7 rainfall days, and 32.05" (814mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Harford, in April, snow falls for 5.5 days, with typically accumulated 2.64" (67mm) of snow. In Harford, during the entire year, snow falls for 80.1 days and aggregates up to 41.93" (1065mm) of snow.Daylight
The average length of the day in April is 13h and 22min.On the first day of April, sunrise is at 6:44 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:00 pm EDT.
Sunshine
In Harford, Pennsylvania, the average sunshine in April is 7h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 during April translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Harford, PA
- Average high temperature in April: 53.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in April: 35.8°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in April
Harford, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Harford, PA
- Average wind speed in April: 8.3mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Harford, PA
- Average humidity in April: 79%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall in April
Harford, PA
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in April
Harford, PA
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in April
Harford, PA
- Average snowfall in April: 2.64"
The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Harford, PA
- Average snowfall days in April: 5.5 days
The months with the highest number of snowfall days are January and February (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Harford, PA
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in April
Harford, PA
- Average sunshine days in April: 8.9 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in April
Harford, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Harford, PA
- Average cloud cover in April: 55
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in April
Harford, PA
- Average visibility in April: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
