Climate and monthly weather forecast
Cedar Grove, NJ

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Weather in January

January, the same as December, is an icy winter month in Cedar Grove, New Jersey, with an average temperature varying between 35.2°F (1.8°C) and 23.9°F (-4.5°C). January is the month that records the lowest temperatures, with averages ranging from a high of 35.2°F (1.8°C) to a low of 23.9°F (-4.5°C). Weather in January »

Weather in February

February, the last month of the winter in Cedar Grove, is also an icy month, with an average temperature ranging between min 25.5°F (-3.6°C) and max 38.8°F (3.8°C). Cedar Grove sees the arrival of February with an average high-temperature of a still wintry 38.8°F (3.8°C), indicating a subtle variation from January. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Cedar Grove, New Jersey, with an average temperature varying between 32.7°F (0.4°C) and 46.4°F (8°C). As February transitions into March, a subtle temperature shift is observed, with average highs adjusting from a wintry 38.8°F (3.8°C) to a chilly 46.4°F (8°C). Weather in March »

Weather in April

April is a refreshing spring month in Cedar Grove, New Jersey, with an average temperature ranging between max 58.5°F (14.7°C) and min 42.8°F (6°C). Cedar Grove experiences a temperature shift with the start of April, with average high-temperatures moving from a frosty 46.4°F (8°C) in March to a refreshing 58.5°F (14.7°C). Weather in April »

Weather in May

May, the last month of the spring in Cedar Grove, is a pleasant month, with an average temperature fluctuating between 69.3°F (20.7°C) and 52.7°F (11.5°C). May's arrival is marked by an increase in the average high-temperature, moving from a moderate 58.5°F (14.7°C) in April to a pleasant 69.3°F (20.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Cedar Grove, New Jersey, with an average temperature ranging between max 77.5°F (25.3°C) and min 60.4°F (15.8°C). A gentle upsurge in temperatures occurs as May gives way to June, with average highs shifting from an agreeable 69.3°F (20.7°C) to a moderately hot 77.5°F (25.3°C). Weather in June »

Weather in July

July, like June, in Cedar Grove, New Jersey, is another warm summer month, with an average temperature ranging between max 84.2°F (29°C) and min 67.6°F (19.8°C). In Cedar Grove, July is the warmest month, with temperatures averaging a high of 84.2°F (29°C) and a low of 67.6°F (19.8°C). The average heat index in July is evaluated at a tropical 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Cedar Grove, New Jersey, with an average temperature ranging between max 81.9°F (27.7°C) and min 66.6°F (19.2°C). August's beginning signals an average high-temperature of a still moderately hot 81.9°F (27.7°C), barely different from July's 84.2°F (29°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Cedar Grove, New Jersey, with an average temperature ranging between max 75°F (23.9°C) and min 59.4°F (15.2°C). September's arrival comes with a mild decrease in the average high-temperature, moving subtly from 81.9°F (27.7°C) in August to a still warm 75°F (23.9°C). Weather in September »

Weather in October

October, like September, in Cedar Grove, New Jersey, is another enjoyable autumn month, with an average temperature ranging between min 49.1°F (9.5°C) and max 62.6°F (17°C). The decrease of average high-temperatures is mild in October, with a decline from a moderately hot 75°F (23.9°C) in September to a refreshing 62.6°F (17°C). Weather in October »

Weather in November

November, the last month of the autumn in Cedar Grove, is also a fresh month, with an average temperature varying between 50.7°F (10.4°C) and 37.9°F (3.3°C). Cedar Grove's weather changes with the onset of November, slightly falling from a refreshing 62.6°F (17°C) in October to a fresh 50.7°F (10.4°C). Weather in November »

Weather in December

December, the first month of the winter in Cedar Grove, is also an icy month, with temperature in the range of an average high of 41.5°F (5.3°C) and an average low of 31.1°F (-0.5°C). December's onset brings a slight change in high-temperatures, falling from a cool 50.7°F (10.4°C) in November to a cold 41.5°F (5.3°C). Weather in December »
Updated: Feb 13, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What month is the coldest in Cedar Grove?

Cedar Grove notes the coldest temperatures in January, with a average high of 35.2°F (1.8°C) and a low of 23.9°F (-4.5°C).

What is the driest month in Cedar Grove?

January is the month with the least rainfall in Cedar Grove, New Jersey. Rain falls for 7.6 days and accumulates 1.38" (35mm) of precipitation.

How many days does it rain in Cedar Grove?

Throughout the year, in Cedar Grove, New Jersey, there are 153.3 rainfall days, and 24.92" (633mm) of precipitation is accumulated.

When does it snow in Cedar Grove?

Months with snowfall in Cedar Grove, New Jersey, are January through April, November and December.

How much does it snow in Cedar Grove?

Throughout the year, in Cedar Grove, there are 22.1 snowfall days, and 8.9" (226mm) of snow is accumulated.

What is the month with the lowest UV index in Cedar Grove?

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

What is the most humid month in Cedar Grove?

With an average relative humidity of 78%, February is the most humid month.

What is the month with the least sunshine in Cedar Grove?

The month with the least sunshine is February, with an average of 4.7h of sunshine.

When does it snow the most in Cedar Grove?

March is the month with the most snowfall. Snow falls for 4.9 days and accumulates 3.27" (83mm) of snow.

When is Daylight Saving Time (DST) in Cedar Grove?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Cedar Grove, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Cedar Grove?

The months with the lowest humidity are April and August, with an average relative humidity of 72%.

When it does not snow in Cedar Grove?

May through October are months without snowfall in Cedar Grove, New Jersey.

When are the longest days in Cedar Grove?

With an average of 15h and 6min of daylight, June has the longest days of the year.

When is the highest UV index in Cedar Grove?

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

What is the warmest month in Cedar Grove?

In Cedar Grove, New Jersey, the peak average temperatures are observed in July, with a high of 84.2°F (29°C) and a low of 67.6°F (19.8°C).

What is the wettest month in Cedar Grove?

The month with the most rainfall in Cedar Grove, New Jersey, is July, when the rain falls for 17.7 days and typically aggregates up to 3.07" (78mm) of precipitation.

What month has the most sunshine in Cedar Grove?

With an average of 10.5h of sunshine, July has the most sunshine of the year in Cedar Grove.

What is the month with the shortest days in Cedar Grove?

The month with the shortest days in Cedar Grove, New Jersey, is December, with an average of 9h and 18min of daylight.

Average temperature
Cedar Grove, NJ

Average temperature - Cedar Grove, NJ

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.2°F).

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure
Cedar Grove, NJ

Average pressure - Cedar Grove, NJ

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Cedar Grove, NJ

Average wind speed - Cedar Grove, NJ

The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

Average humidity
Cedar Grove, NJ

Average humidity - Cedar Grove, NJ

The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are April and August (72%).

Average rainfall
Cedar Grove, NJ

Average rainfall - Cedar Grove, NJ

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (1.38").

Average rainfall days
Cedar Grove, NJ

Average rainfall days - Cedar Grove, NJ

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.6 days).

Average snowfall
Cedar Grove, NJ

Average snowfall - Cedar Grove, NJ

The month with the highest snowfall is March (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Cedar Grove, NJ

Average snowfall days - Cedar Grove, NJ

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

Average daylight / Average sunshine
Cedar Grove, NJ

Average daylight / Average sunshine - Cedar Grove, NJ

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

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 42min).

Average sunshine days
Cedar Grove, NJ

Average sunshine days - Cedar Grove, NJ

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.7 days).

Average UV index
Cedar Grove, NJ

Average UV index - Cedar Grove, NJ

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).

Average visibility
Cedar Grove, NJ

Average visibility - Cedar Grove, NJ

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).

Cedar Grove, New Jersey, USA

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