Climate and monthly weather forecast
Succasunna, NJ

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Weather in January

January, like December, in Succasunna, New Jersey, is an icy winter month, with an average temperature fluctuating between 20.8°F (-6.2°C) and 34.3°F (1.3°C). Succasunna notes the coldest temperatures in January, with a high average of 34.3°F (1.3°C) and a low of 20.8°F (-6.2°C). Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Succasunna, New Jersey, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 37.4°F (3°C). Succasunna's weather in February displays an average high-temperature of a still icy 37.4°F (3°C), showing minor disparity from January's 34.3°F (1.3°C). Weather in February »

Weather in March

March, the first month of the spring in Succasunna, is a frosty month, with an average temperature ranging between max 45.3°F (7.4°C) and min 30.2°F (-1°C). March's arrival is noted with a slight increase in the average high-temperature, moving from a wintry 37.4°F (3°C) in February to a chilly 45.3°F (7.4°C). Weather in March »

Weather in April

April in Succasunna, New Jersey, is a moderate spring month, with an average temperature ranging between max 57.9°F (14.4°C) and min 40.6°F (4.8°C). The start of April brings a rise in the average high-temperature, moving from a chilly 45.3°F (7.4°C) in March to a moderate 57.9°F (14.4°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Succasunna, New Jersey, with an average temperature varying between 68.5°F (20.3°C) and 50.5°F (10.3°C). The arrival of May signals an increase in the average high-temperature, moving from a refreshing 57.9°F (14.4°C) in April to a pleasant 68.5°F (20.3°C). Weather in May »

Weather in June

June, the first month of the summer in Succasunna, is a moderately hot month, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 76.6°F (24.8°C). In June, the average high-temperature marginally rises from a pleasant 68.5°F (20.3°C) in May to a warm 76.6°F (24.8°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Succasunna, New Jersey, with an average temperature ranging between min 64°F (17.8°C) and max 82.9°F (28.3°C). July is the warmest month, exhibiting average temperatures of 82.9°F (28.3°C) at the peak and 64°F (17.8°C) at the base. In July, the heat index is computed to be a hot 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in Succasunna, is also a moderately hot month, with an average temperature varying between 81.1°F (27.3°C) and 62.2°F (16.8°C). The initiation of August records an average high-temperature of a still moderately hot 81.1°F (27.3°C), displaying a near consistency with the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Succasunna, is still a warm month, with an average temperature ranging between min 55.6°F (13.1°C) and max 73.9°F (23.3°C). Succasunna's transition into September involves a gentle shift in temperature, receding from 81.1°F (27.3°C) in August to a still moderately hot 73.9°F (23.3°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Succasunna, New Jersey, with an average temperature fluctuating between 45.9°F (7.7°C) and 61.7°F (16.5°C). October's arrival correlates with a reduction in the average high-temperature, down from a warm 73.9°F (23.3°C) in September to a comfortable 61.7°F (16.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Succasunna, is another chilly month, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 49.3°F (9.6°C). November brings a decrease in the average high-temperature, shifting from an enjoyable 61.7°F (16.5°C) in October to a frosty 49.3°F (9.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Succasunna, New Jersey, with temperature in the range of an average low of 28.6°F (-1.9°C) and an average high of 40.1°F (4.5°C). Succasunna in December undergoes a mild reduction in the average high-temperature, shifting from November's chilly 49.3°F (9.6°C) to a wintry 40.1°F (4.5°C). Weather in December »

Frequently asked questions

What are the coldest months?

January, with its average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 20.8°F (-6.2°C), holds the record as the coldest month in Succasunna.

How much does it rain?

In Succasunna, during the entire year, the rain falls for 81.9 days and collects up to 6.69" (170mm) of precipitation.

When does it snow?

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

How much does it snow?

Throughout the year, there are 18.1 snowfall days, and 2.68" (68mm) of snow is accumulated.

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

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

What is the most humid month?

February, October and December, with an average relative humidity of 81%, are most humid months.

What is the month with the least sunshine?

With an average of 4.4h of sunshine, February has the least sunshine of the year.

When does it snow the most?

March is the month with the most snowfall. Snow falls for 3.8 days and accumulates 0.79" (20mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Succasunna, 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?

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

When it does not snow?

June through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 15h and 6min of daylight.

What are the months with the highest UV index?

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

What is the hottest time of year?

With average high and low temperatures of 82.9°F (28.3°C) and 64°F (17.8°C) respectively, July is Succasunna's warmest month.

What is the wettest month?

The month with the most rainfall is July, when the rain falls for 9.5 days and typically aggregates up to 0.79" (20mm) of precipitation.

What month has the most sunshine in Succasunna?

July has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the driest month?

September is the month with the least rainfall. Rain falls for 6.3 days and accumulates 0.16" (4mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

Average temperature
Succasunna, NJ

Average temperature - Succasunna, NJ

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.3°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

Average pressure
Succasunna, NJ

Average pressure - Succasunna, 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
Succasunna, NJ

Average wind speed - Succasunna, NJ

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity
Succasunna, NJ

Average humidity - Succasunna, NJ

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

Average rainfall
Succasunna, NJ

Average rainfall - Succasunna, NJ

The wettest month (with the highest rainfall) is July (0.79").
The driest month (with the least rainfall) is September (0.16").

Average rainfall days
Succasunna, NJ

Average rainfall days - Succasunna, NJ

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
Succasunna, NJ

Average snowfall - Succasunna, NJ

The month with the highest snowfall is March (0.79").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Succasunna, NJ

Average snowfall days - Succasunna, NJ

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

Average daylight / Average sunshine
Succasunna, NJ

Average daylight / Average sunshine - Succasunna, 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days
Succasunna, NJ

Average sunshine days - Succasunna, NJ

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
Succasunna, NJ

Average UV index - Succasunna, NJ

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

Average cloud cover
Succasunna, NJ

Average cloud cover - Succasunna, NJ

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

Average visibility
Succasunna, NJ

Average visibility - Succasunna, NJ

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

Succasunna, New Jersey, USA

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