Raritan
New Jersey, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Raritan, NJ

January, like December, in Raritan, New Jersey, is a wintry winter month, with average temperature varying between 23.2°F (-4.9°C) and 35.6°F (2°C). January is the coldest month, with an average high-temperature of 35.6°F (2°C) and an average low-temperature of 23.2°F (-4.9°C). Weather in January »

The last month of the winter, February, is also a wintry month in Raritan, New Jersey, with temperature in the range of an average high of 39.2°F (4°C) and an average low of 24.8°F (-4°C). In February, the average high-temperature is almost the same as in January - a still cold 39.2°F (4°C). Weather in February »

March, the first month of the spring, in Raritan, is a chilly month, with average temperature fluctuating between 32.4°F (0.2°C) and 47.7°F (8.7°C). In Raritan, the average high-temperature in March slightly increases, from a wintry 39.2°F (4°C) in February, to a frosty 47.7°F (8.7°C). Weather in March »

April is a moderate spring month in Raritan, New Jersey, with average temperature varying between 59.5°F (15.3°C) and 42.3°F (5.7°C). In Raritan, New Jersey, the average high-temperature in April rises, from a chilly 47.7°F (8.7°C) in March, to a mild 59.5°F (15.3°C). Weather in April »

The last month of the spring, May, is a pleasant month in Raritan, New Jersey, with temperature in the range of an average high of 70.2°F (21.2°C) and an average low of 52.2°F (11.2°C). In May, the average high-temperature increases, from a mild 59.5°F (15.3°C) in April, to an agreeable 70.2°F (21.2°C). Weather in May »

The first month of the summer, June, is a warm month in Raritan, New Jersey, with average temperature varying between 59.7°F (15.4°C) and 78.3°F (25.7°C). In Raritan, the average high-temperature marginally rises, from an agreeable 70.2°F (21.2°C) in May, to a warm 78.3°F (25.7°C). Weather in June »

July, like June, in Raritan, New Jersey, is a moderately hot summer month, with temperature in the range of an average low of 66°F (18.9°C) and an average high of 84.2°F (29°C). July is the warmest month, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 66°F (18.9°C). The average heat index is evaluated at a tropical 92.7°F (33.7°C). Weather in July »

August, the last month of the summer, in Raritan, is also a moderately hot month, with average temperature ranging between min 64.6°F (18.1°C) and max 82.4°F (28°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 82.4°F (28°C). Weather in August »

The first month of the autumn, September, is still a warm month in Raritan, New Jersey, with average temperature varying between 75.2°F (24°C) and 58.1°F (14.5°C). In September, the average high-temperature marginally drops, from 82.4°F (28°C) in August, to a still moderately hot 75.2°F (24°C). Weather in September »

October, like September, in Raritan, New Jersey, is another comfortable autumn month, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 48°F (8.9°C). In October, the average high-temperature decreases, from a warm 75.2°F (24°C) in September, to an enjoyable 63.5°F (17.5°C). Weather in October »

The last month of the autumn, November, is another cool month in Raritan, New Jersey, with average temperature fluctuating between 37.2°F (2.9°C) and 50.9°F (10.5°C). In Raritan, the average high-temperature drops, from a comfortable 63.5°F (17.5°C) in October, to a cool 50.9°F (10.5°C). Weather in November »

The first month of the winter, December, is still a cold month in Raritan, New Jersey, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 42.3°F (5.7°C). In Raritan, the average high-temperature marginally drops, from a cool 50.9°F (10.5°C) in November, to a cold 42.3°F (5.7°C). Weather in December »

What is the coldest month in Raritan?

January is the coldest month in Raritan, with an average high-temperature of 35.6°F (2°C) and an average low-temperature of 23.2°F (-4.9°C).

How many days does it rain in Raritan?

In Raritan, New Jersey, during the entire year, the rain falls for 157.9 days and collects up to 28.19" (716mm) of precipitation.

When does it snow in Raritan?

Months with snowfall in Raritan are January through May, October through December.

How many days does it snow in Raritan?

Throughout the year, in Raritan, New Jersey, there are 23.8 snowfall days, and 9.53" (242mm) of snow is accumulated.

What are the months with the lowest UV index in Raritan?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the most humid month in Raritan?

Months with the highest humidity in Raritan are February, October and December, with an average relative humidity of 79%.

What is the month with the least sunshine in Raritan?

With an average of 4.6h of sunshine, February has the least sunshine of the year.

When does it snow the most in Raritan?

March is the month with the most snowfall. Snow falls for 4.9 days and accumulates 2.83" (72mm) of snow.

What is the least humid month in Raritan?

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

When it does not snow in Raritan?

In Raritan, New Jersey, snow does not fall in June through September.

When are the longest days in Raritan?

With an average of 15h of daylight, June has the longest days of the year in Raritan, New Jersey.

When is the highest UV index in Raritan?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Raritan.

What is the warmest month in Raritan?

July is the warmest month in Raritan, New Jersey, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 66°F (18.9°C).

What month has the most sunshine in Raritan?

With an average of 10.4h of sunshine, July has the most sunshine of the year.

What is the driest month in Raritan?

September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.54" (39mm) of precipitation.

What is the wettest month in Raritan?

December is the month with the most rainfall in Raritan. Rain falls for 10.9 days and accumulates 2.91" (74mm) of precipitation.

What is the month with the shortest days in Raritan?

With an average of 9.3h of daylight, December has the shortest days of the year.
Average temperature - Raritan, NJ
Average humidity - Raritan, NJ
Average rainfall - Raritan, NJ

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

Average rainfall days - Raritan, NJ
Average snowfall - Raritan, NJ
Average snowfall days - Raritan, NJ

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

Average daylight / Average sunshine - Raritan, NJ

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average UV index - Raritan, NJ