April weather forecast
Princeton Junction, NJ

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Weather in April

April in Princeton Junction, New Jersey, is a moderate spring month, with an average temperature varying between 43.3°F (6.3°C) and 60.4°F (15.8°C).

Temperature

April sees a rise in the average high-temperature, climbing from a frosty 48.6°F (9.2°C) in March to a moderate 60.4°F (15.8°C). During April, the nighttime temperature in Princeton Junction, New Jersey, averages of 43.3°F (6.3°C).

Humidity

With an average relative humidity of 73%, April is the least humid month.

Rainfall

In Princeton Junction, in April, it is raining for 11.3 days, with typically 0.83" (21mm) of accumulated precipitation. In Princeton Junction, during the entire year, the rain falls for 119.3 days and collects up to 12.72" (323mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In April, in Princeton Junction, New Jersey, it is snowing for 0.3 days. Throughout April, 0.12" (3mm) of snow is accumulated. Throughout the year, in Princeton Junction, there are 16.4 snowfall days, and 4.41" (112mm) of snow is accumulated.

Daylight

In Princeton Junction, the average length of the day in April is 13h and 19min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:23 pm. On the last day of April, sunrise is at 5:58 am and sunset at 7:53 pm EDT.

Sunshine

In Princeton Junction, the average sunshine in April is 8.3h.

UV index

In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 4 in April translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Princeton Junction in April?

In April, in Princeton Junction, the average high-temperature is 60.4°F (15.8°C), and the average low-temperature is 43.3°F (6.3°C).

What is the least humid month in Princeton Junction?

April is the least humid month in Princeton Junction, with an average relative humidity of 73%.

What is the average humidity in April in Princeton Junction?

The average relative humidity in April in Princeton Junction, New Jersey, is 73%.

How much does it rain in Princeton Junction in April?

In Princeton Junction, during April, the rain falls for 11.3 days and regularly aggregates up to 0.83" (21mm) of precipitation.

How much does it snow in Princeton Junction in April?

In April, it is snowing for 0.3 days. Throughout April, 0.12" (3mm) of snow is accumulated.

How many hours of daylight does Princeton Junction have in April?

In Princeton Junction, New Jersey, the average day length in April is 13h and 19min.

What time are sunrise and sunset in April in Princeton Junction?

On the first day of April, sunrise is at 6:40 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 7:53 pm EDT.

How many hours of sunshine does Princeton Junction have in April?

The average sunshine duration in April in Princeton Junction, New Jersey, is 8.3h.

What is the UV index reading in April in Princeton Junction?

The average daily maximum UV index in April in Princeton Junction, New Jersey, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Princeton Junction, NJ

Average temperature in April - Princeton Junction, NJ
  • Average high temperature in April: 60.4°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in April: 43.3°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in April
Princeton Junction, NJ

Average pressure in April - Princeton Junction, 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).

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Average wind speed in April
Princeton Junction, NJ

Average wind speed in April - Princeton Junction, NJ
  • Average wind speed in April: 8.5mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in April
Princeton Junction, NJ

Average humidity in April - Princeton Junction, NJ
  • Average humidity in April: 73%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in April
Princeton Junction, NJ

Average rainfall in April - Princeton Junction, NJ
  • Average rainfall in April: 0.83"

The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days in April
Princeton Junction, NJ

Average rainfall days in April - Princeton Junction, NJ
  • Average rainfall days in April: 11.3 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (6.1 days).

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Average snowfall in April
Princeton Junction, NJ

Average snowfall in April - Princeton Junction, NJ
  • Average snowfall in April: 0.12"

The month with the highest snowfall is March (1.42").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in April
Princeton Junction, NJ

Average snowfall days in April - Princeton Junction, NJ
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
Princeton Junction, NJ

Average daylight in April / Average sunshine in April - Princeton Junction, 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 24min).

  • 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 48min).

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Average sunshine days in April
Princeton Junction, NJ

Average sunshine days in April - Princeton Junction, NJ
  • Average sunshine days in April: 16.8 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index in April
Princeton Junction, NJ

Average UV index in April - Princeton Junction, 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, March, November and December (UV index 2).

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Average cloud cover in April
Princeton Junction, NJ

Average cloud cover in April - Princeton Junction, NJ
  • Average cloud cover in April: 44

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in April
Princeton Junction, NJ

Average visibility in April - Princeton Junction, NJ
  • Average visibility in April: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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Princeton Junction, New Jersey, USA

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