April weather forecast and climate
Dover, NJ

April is a mild spring month in Dover, New Jersey, with average temperature ranging between min 40.6°F (4.8°C) and max 57.9°F (14.4°C).

Temperature

In April, the average high-temperature rises, from a frosty 45.3°F (7.4°C) in March, to a moderate 57.9°F (14.4°C). In April, in Dover, the average low-temperature is 40.6°F (4.8°C).

Humidity

April is the least humid month, with an average relative humidity of 75%.

Rainfall

In April, in Dover, New Jersey, the rain falls for 8.2 days. Throughout April, 0.51" (13mm) of precipitation is accumulated. In Dover, during the entire year, the rain falls for 81.9 days and collects up to 6.69" (170mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Dover, during 0.6 snowfall days, 0.04" (1mm) of snow is typically accumulated. In Dover, during the entire year, snow falls for 18.1 days, and aggregates up to 2.68" (68mm) of snow.

Daylight

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

Sunshine

In April, the average sunshine in Dover, New Jersey, is 7.9h.

UV index

In April, the average daily maximum UV index in Dover is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in April in Dover?

The average high-temperature, in April, is 57.9°F (14.4°C), while the average low-temperature is 40.6°F (4.8°C).

What is the least humid month in Dover?

The least humid month is April, with an average relative humidity of 75%.

What is the average humidity in April in Dover?

In April, the average relative humidity is 75%.

How much does it rain in Dover in April?

In Dover, during April, the rain falls for 8.2 days and regularly aggregates up to 0.51" (13mm) of precipitation.

How much does it snow in Dover in April?

In Dover, in April, snow falls for 0.6 days, with typically accumulated 0.04" (1mm) of snow.

What is the average length of the day in April in Dover?

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

How many hours of sunshine does Dover have in April?

In April, the average sunshine in Dover is 7.9h.

What is the UV index intensity in April in Dover?

In Dover, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in April - Dover, NJ
  • Average high temperature in April: 14.4°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (1.3°C).

  • Average low temperature in April: 4.8°C

The month with the highest average low temperature is July (17.8°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).

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

The month with the highest atmospheric pressure is November (1019.6mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

Average wind speed in April - Dover, NJ
  • Average wind speed in April: 12.6km/h

The windiest month (with the highest average wind speed) is March (13.2km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).

Average humidity in April - Dover, NJ
  • Average humidity in April: 75%

Months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (75%).

Average rainfall in April - Dover, NJ
  • Average rainfall in April: 13mm

The wettest month (with the highest rainfall) is July (20mm).
The driest month (with the least rainfall) is September (4mm).

Average rainfall days in April - Dover, NJ
  • Average rainfall days in April: 8.2 days

The month with the highest number of rainy days is July (9.5 days).
The month with the least rainy days is February (4 days).

Average snowfall in April - Dover, NJ
  • Average snowfall in April: 1mm

The month with the highest snowfall is March (20mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April - Dover, NJ
  • Average snowfall days in April: 0.6 days

The month with the highest number of snowfall days is February (5.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April / Average sunshine in April - Dover, 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: 7.9h

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.4h).

Average sunshine days in April - Dover, NJ
  • Average sunshine days in April: 21.2 days

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (18.3 days).

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

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in April - Dover, NJ
  • Average cloud cover in April: 48

Months with the most cloud cover are February and March (Cloud cover 51).
Months with the least cloud cover are July and August (Cloud cover 36).

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

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