Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's onset witnesses a shift in the average high-temperature, moving from a frosty 47.3°F (8.5°C) in March to a moderate 59°F (15°C). South River in April anticipates an average nighttime temperature of 44.2°F (6.8°C).Humidity
The months with the lowest humidity are April and August, with an average relative humidity of 73%.Rainfall
In South River, during April, the rain falls for 14.3 days and regularly aggregates up to 2.36" (60mm) of precipitation. In South River, during the entire year, the rain falls for 154 days and collects up to 30.75" (781mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, South River aggregates 0.12" (3mm) of snow. In South River, New Jersey, during the entire year, snow falls for 18.1 days and aggregates up to 8.35" (212mm) of snow.Daylight
The average length of the day in April in South River is 13h and 19min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:22 pm. On the last day of April, in South River, sunrise is at 5:56 am and sunset at 7:52 pm EDT.
Sunshine
In April, the average sunshine in South River is 8.4h.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 radiation for average individuals.Note: In April, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What are April temperatures in South River?
What are the least humid months in South River?
What is the average humidity in April in South River?
How much does it rain in South River in April?
What is the last month it snows in South River?
How many hours of daylight does South River have in April?
What time are sunrise and sunset in April in South River?
How many hours of sunshine does South River have in April?
How high is the UV index in April in South River?
Average temperature in April
South River, NJ
- Average high temperature in April: 59°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in April
South River, NJ
- 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 (29.93"Hg).
Average wind speed in April
South River, NJ
- Average wind speed in April: 9.1mph
The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in April
South River, NJ
- Average humidity in April: 73%
The months with the highest relative humidity are February, May, October and December (77%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall in April
South River, NJ
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in April
South River, NJ
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and November (8.5 days).
Average snowfall in April
South River, NJ
- Average snowfall in April: 0.12"
The month with the highest snowfall is March (3.82").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
South River, NJ
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
South River, NJ
- Average daylight in April: 13h and 2min
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 April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
South River, NJ
- Average sunshine days in April: 14.1 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in April
South River, NJ
- 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
South River, NJ
- Average cloud cover in April: 45
The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in April
South River, 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).
South River, New Jersey, USA
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