April weather forecast and climate
Greendell, NJ

April is a mild spring month in Greendell, New Jersey, with average temperature varying between 39.2°F (4°C) and 57.4°F (14.1°C).

Temperature

In April, the average high-temperature increases, from a frosty 44.8°F (7.1°C) in March, to a moderate 57.4°F (14.1°C). In Greendell, in April, the average low-temperature is 39.2°F (4°C).

Humidity

With an average relative humidity of 76%, April is the least humid month in Greendell.

Rainfall

In Greendell, it is raining for 17 days, with typically 2.68" (68mm) of accumulated precipitation. In Greendell, during the entire year, the rain falls for 161.1 days and collects up to 28.98" (736mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In April, it is snowing for 1.4 days. Throughout April, 0.35" (9mm) of snow is accumulated. Throughout the year, there are 36.8 snowfall days, and 17.52" (445mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13.3h.

Sunshine

In April, the average sunshine in Greendell, New Jersey, is 7.8h.

UV index

In Greendell, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in April in Greendell?

The average high-temperature, in April, in Greendell, is 57.4°F (14.1°C), while the average low-temperature is 39.2°F (4°C).

What is the least humid month in Greendell?

April is the least humid month in Greendell, New Jersey, with an average relative humidity of 76%.

What is the average humidity in April in Greendell?

In Greendell, the average relative humidity in April is 76%.

How much does it rain in Greendell in April?

In Greendell, New Jersey, in April, it is raining for 17 days, with typically 2.68" (68mm) of accumulated precipitation.

How much does it snow in Greendell in April?

In April, in Greendell, New Jersey, it is snowing for 1.4 days. Throughout April, 0.35" (9mm) of snow is accumulated.

How many hours of daylight does Greendell have in April?

In April, the average length of the day is 13.3h.

How long on average sun shines in April in Greendell?

The average sunshine in April in Greendell is 7.8h.

What is the UV index reading in April in Greendell?

The average daily maximum UV index in April in Greendell, New Jersey, is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in April - Greendell, NJ
  • Average high temperature in April: 14.1°C

The warmest month (with the highest average high temperature) is July (28.2°C).
The month with the lowest average high temperature is January (0.7°C).

  • Average low temperature in April: 4°C

The month with the highest average low temperature is July (16.6°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).

Average pressure in April - Greendell, NJ
  • Average pressure in April: 1015.3mbar

The month with the highest atmospheric pressure is November (1019.7mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

Average wind speed in April - Greendell, NJ
  • Average wind speed in April: 12.2km/h

The windiest month (with the highest average wind speed) is March (12.7km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).

Average humidity in April - Greendell, NJ
  • Average humidity in April: 76%

Months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (76%).

Average rainfall in April - Greendell, NJ
  • Average rainfall in April: 68mm

The wettest month (with the highest rainfall) is July (77mm).
The driest month (with the least rainfall) is September (39mm).

Average rainfall days in April - Greendell, NJ
  • Average rainfall days in April: 17 days

Months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in April - Greendell, NJ
  • Average snowfall in April: 9mm

Months with the highest snowfall are January and February (109mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April - Greendell, NJ
  • Average snowfall days in April: 1.4 days

The month with the highest number of snowfall days is January (10.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April / Average sunshine in April - Greendell, NJ
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in April: 7.8h

The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 4.3h).

Average sunshine days in April - Greendell, NJ
  • Average sunshine days in April: 11.5 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in April - Greendell, NJ
  • Average UV index in April: 3

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in April - Greendell, NJ
  • Average cloud cover in April: 50

The month with the most cloud cover is February (Cloud cover 52).
Months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in April - Greendell, NJ
  • Average visibility in April: 9km

The month with the highest visibility is April (9km).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (8km).