April weather forecastAdelphia, NJ
April
Weather in April
April is a moderate spring month in Adelphia, New Jersey, with temperature in the range of an average low of 44.8°F (7.1°C) and an average high of 57.9°F (14.4°C).Temperature
April's arrival sees a rise in the average high-temperature, jumping from March's frosty 47.1°F (8.4°C) to a refreshing 57.9°F (14.4°C). In Adelphia, April nights cool down to an average of 44.8°F (7.1°C).Humidity
The months with the lowest humidity are January, March and April, with an average relative humidity of 74%.Rainfall
In April, the rain falls for 16.1 days. Throughout April, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 164.1 rainfall days, and 34.53" (877mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 0.5 days. Throughout April, 0.2" (5mm) of snow is accumulated. In Adelphia, during the entire year, snow falls for 20.4 days and aggregates up to 8.19" (208mm) of snow.Daylight
In Adelphia, the average length of the day in April is 13h and 18min.On the first day of April, sunrise is at 6:39 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:51 pm EDT.
Sunshine
In April, the average sunshine is 8.6h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during April, leads to the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Around midday, solar radiation is most harmful; hence, exposure should be limited. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Adelphia, NJ
- Average high temperature in April: 57.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in April: 44.8°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in April
Adelphia, NJ
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Adelphia, NJ
- Average wind speed in April: 9.7mph
The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in April
Adelphia, NJ
- Average humidity in April: 74%
The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are January, March and April (74%).
Average rainfall in April
Adelphia, NJ
- Average rainfall in April: 2.8"
The wettest months (with the highest rainfall) are July and December (3.7").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in April
Adelphia, NJ
- Average rainfall days in April: 16.1 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in April
Adelphia, NJ
- Average snowfall in April: 0.2"
The month with the highest snowfall is March (2.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Adelphia, NJ
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Adelphia, NJ
- 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in April
Adelphia, NJ
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in April
Adelphia, NJ
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Adelphia, NJ
- Average cloud cover in April: 43
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in April
Adelphia, NJ
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





