April weather forecastAltor, PA
April
Weather in April
April in Altor, Pennsylvania, is an enjoyable spring month, with an average temperature ranging between min 43.9°F (6.6°C) and max 61°F (16.1°C).Temperature
Altor sees an increase in average high-temperatures during April, moving from a chilly 48.4°F (9.1°C) in March to a refreshing 61°F (16.1°C). During the month of April, the temperature generally drops to a low average of 43.9°F (6.6°C).Humidity
The least humid month in Altor is April, with an average relative humidity of 73%.Rainfall
In Altor, Pennsylvania, during April, the rain falls for 12.3 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Altor, during the entire year, the rain falls for 128.5 days and collects up to 14.92" (379mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In April, it is snowing for 0.3 days. Throughout April, 0.12" (3mm) of snow is accumulated. Throughout the year, there are 18.1 snowfall days, and 5.43" (138mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 17min.On the first day of April, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:56 pm EDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 4 transforms into these recommendations:
Adopt protective measures - It is advised to guard against sun damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Altor, PA
- Average high temperature in April: 61°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in April: 43.9°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in April
Altor, PA
- Average pressure in April: 29.99"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 April
Altor, PA
- Average wind speed in April: 8.4mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Altor, PA
- Average humidity in April: 73%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in April
Altor, PA
- Average rainfall in April: 1.02"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in April
Altor, PA
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in April
Altor, PA
- Average snowfall in April: 0.12"
The month with the highest snowfall is March (1.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Altor, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Altor, PA
- Average daylight in April: 13h and 18min
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 April: 8h and 12min
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 April
Altor, PA
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.1 days).
Average UV index in April
Altor, PA
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Altor, PA
- Average cloud cover in April: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Altor, PA
- Average visibility in April: 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).





