April weather forecast
Raritan, NJ

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Weather in April

April is a moderate spring month in Raritan, New Jersey, with an average temperature ranging between max 59.5°F (15.3°C) and min 42.3°F (5.7°C).

Temperature

Raritan's April weather brings a rise in high-temperatures, moving from a chilly 47.7°F (8.7°C) in March to a mild 59.5°F (15.3°C). An average nighttime temperature of 42.3°F (5.7°C) is noted in Raritan during the month of April.

Humidity

With an average relative humidity of 74%, April is the least humid month.

Rainfall

In Raritan, in April, it is raining for 15.4 days, with typically 2.17" (55mm) of accumulated precipitation. In Raritan, New Jersey, during the entire year, the rain falls for 157.9 days and collects up to 28.19" (716mm) of precipitation.

Snowfall

Months with snowfall in Raritan are January through May, October through December. In April, it is snowing for 0.4 days. Throughout April, 0.12" (3mm) of snow is accumulated. Throughout the year, there are 23.8 snowfall days, and 9.53" (242mm) of snow is accumulated.

Daylight

In April, the average length of the day in Raritan is 13h and 19min.
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 5:57 am and sunset at 7:53 pm EDT.

Sunshine

The average sunshine in April in Raritan is 8.2h.

UV index

The average daily maximum UV index in April in Raritan is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In April, the maximum UV index of 4 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What is the usual temperature for Raritan in April?

An average high-temperature, in April, in Raritan, is 59.5°F (15.3°C) and the average low-temperature is 42.3°F (5.7°C).

What is the least humid month in Raritan?

April is the least humid month in Raritan, New Jersey, with an average relative humidity of 74%.

What is the average humidity in April in Raritan?

The average relative humidity in April is 74%.

How many days does it rain in April in Raritan?

In Raritan, New Jersey, during April, the rain falls for 15.4 days and regularly aggregates up to 2.17" (55mm) of precipitation.

How much does it snow in Raritan in April?

In Raritan, in April, snow falls for 0.4 days, with typically accumulated 0.12" (3mm) of snow.

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

The average day length in April in Raritan, New Jersey, is 13h and 19min.

When is the sunrise / sunset in April in Raritan?

In April, on the first day of the month, sunrise is at 6:40 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:53 pm EDT.

How long on average sun shines in April in Raritan?

In April, the average sunshine duration is 8.2h.

What is the UV index intensity in April in Raritan?

In April, the average daily maximum UV index in Raritan is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
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
Raritan, NJ

Average temperature in April - Raritan, NJ
  • Average high temperature in April: 59.5°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in April: 42.3°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in April
Raritan, NJ

Average pressure in April - Raritan, 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).

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Average wind speed in April
Raritan, NJ

Average wind speed in April - Raritan, NJ
  • Average wind speed in April: 8.3mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in April
Raritan, NJ

Average humidity in April - Raritan, NJ
  • Average humidity in April: 74%

The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in April
Raritan, NJ

Average rainfall in April - Raritan, NJ
  • Average rainfall in April: 2.17"

The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in April
Raritan, NJ

Average rainfall days in April - Raritan, NJ
  • Average rainfall days in April: 15.4 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (9 days).

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Average snowfall in April
Raritan, NJ

Average snowfall in April - Raritan, NJ
  • Average snowfall in April: 0.12"

The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Raritan, NJ

Average snowfall days in April - Raritan, NJ
  • Average snowfall days in April: 0.4 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Raritan, NJ

Average daylight in April / Average sunshine in April - Raritan, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in April
Raritan, NJ

Average sunshine days in April - Raritan, NJ
  • Average sunshine days in April: 12.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (11.7 days).

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Average UV index in April
Raritan, NJ

Average UV index in April - Raritan, 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
Raritan, NJ

Average cloud cover in April - Raritan, NJ
  • Average cloud cover in April: 46

The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in April
Raritan, NJ

Average visibility in April - Raritan, NJ
  • Average visibility in April: 6mi

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

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Raritan, New Jersey, USA

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