Climate and monthly weather forecast
South Orange, NJ

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The climate of South Orange

Located in the heart of New Jersey, USA, South Orange experiences a dominant Humid subtropical climate, categorised as Cfa under the Köppen climate classification. This type of climate is characterised by no dry season, thus making South Orange a region with fairly consistent weather patterns throughout the year. The temperature ranges from a high of 83.8°F (28.8°C) in July to a low of 24.3°F (-4.3°C) in January. Similarly, humidity generally varies within 71% to 77%, with the highest levels recorded during December and February.

There is a noteworthy pattern in rainfall detected across the year. From January to December, the average rainfall varies from 2.24" (57mm) to a peak of 3.54" (90mm). Rainfall is spread fairly evenly throughout the year, with a slight increase observed during the summer months of July and August. The frequency of rainfall days, however, increases from 9.3 days in January to a maximum of 17.3 days in May and July. August and September see a brief dip in rainfall levels.

South Orange also experiences snowfall, mainly during the colder months of January, February, and December. The maximum snowfall recorded is 3.46" (88mm) in March while it remains nonexistent during the warmer months. Observing sunlight, South Orange enjoys an average daylight duration of 9.3 hours in December to a maximum of 15.1 hours in June. Correspondingly, the visible sunshine duration changes from a minimum of 5 hours in December and February to a peak of 10.6 hours in July.

The best time to visit South Orange

Depending on one's preferences, the best time to visit South Orange varies. For those who prefer warmer temperatures and longer daylight hours, the luscious summer months, notably from June to August, with average temperature highs from 77.2°F (25.1°C) to 83.8°F (28.8°C) and peak daylight hours up to 15.1 hours are perfect. Besides, these months also report lower cloud cover percentages, presenting clearer skies for outdoor activities.

The worst time to visit South Orange

Alternatively, the winter months, especially January and February, might prove to be challenging for visitors. With the temperature plummeting to as low as 24.3°F (-4.3°C) during these periods, coupled with increased snowfall and fewer daylight hours (9.7 hours in January), outdoor ventures might be less pleasant. Moreover, these months also report higher cloud cover percentages, further limiting the amount of direct sunlight.

Spring weather in South Orange

Spring in South Orange, from March to May, sees temperatures ranging from 46.8°F (8.2°C) to 68.5°F (20.3°C) while the rainfall slightly increases, hitting a high of 2.99" (76mm) in May. Despite this, it's a pleasant season with the weather gradually warming and the days getting specifically longer, reaching up to 14.5 hours of sunlight in May.

Summer weather in South Orange

The summer months of June, July, and August in South Orange are characterized by the warmest temperatures of the year, ranging from 77.2°F (25.1°C) to 83.8°F (28.8°C). Rainfall slightly increases and peaks at 3.43" (87mm) in July, while daylight hours reach their zenith at 15.1 hours in June, making it an ideal time for outdoor activities.

Autumn weather in South Orange

Autumn in South Orange, typically from September to November, exhibits a gradual cooling trend with temperatures dropping from 75°F (23.9°C) in September to 50.9°F (10.5°C) in November. Rainfall and humidity levels remain relatively constant, while daylight hours steadily decrease, signaling the onset of winter.

Winter weather in South Orange

Winter in South Orange endures from December to February with temperatures dropping to as low as 24.3°F (-4.3°C). This season also witnesses the maximum snowfall of the year, reaching 3.15" (80mm) during February, besides having the shortest daylight duration of about 9.3 hours in December. Despite the colder temperatures, the clear skies provide visibility of up to 6 miles, offering beautiful winter vistas.

Weather in January

Visitors to South Orange, New Jersey in January can expect cool temperatures and a winter atmosphere. Snowfall and moisture content also contribute to this setting. The month brings not only 2.13" (54mm) of snow over 6.9 days, but also features 2.24" (57mm) of rainfall. Weather in January »

Weather in February

February shares similar weather conditions with January, albeit with a slight increase in temperatures and an increase in snowfall to 3.15" (80mm). The atmosphere remains rather chilly and moisture levels remain high due to both rain and snow. Weather in February »

Weather in March

A visit to South Orange, New Jersey in March indicates the start of the spring season. Measurements show an increase in temperatures from February and a steady decrease in snowfall, which drops to 3.46" (88mm). The city's weather shifts gradually, transforming from wintry to more spring-like conditions. Weather in March »

Weather in April

April in South Orange, New Jersey witnesses a remarkable transition with a significant rise in temperatures and the last signs of yearly snowfall, a mere 0.2" (5mm). Indicators of spring are more pronounced and the month features ample rainfall. Weather in April »

Weather in May

May in South Orange, New Jersey welcomes a noticeable surge in temperatures, indicating the onset of summer. Sunshine hours increase, abetting a quick rise in the UV index. May distinguishes itself by becoming the first month of the year without any snowfall. Weather in May »

Weather in June

Count on June in South Orange, New Jersey to bring in summer with warm temperatures, extended daylight hours, and a high UV index. In addition to these, it is noteworthy that June equates to May in terms of the average rainfall - 2.8" (71mm). Weather in June »

Weather in July

July's weather in South Orange, New Jersey hits peak summertime conditions. Prominently, it is the warmest month with the highest average high temperature reaching 83.8°F (28.8°C). The climate is characterized by long, sunny days with maximum daylight and sunshine hours. Weather in July »

Weather in August

South Orange, New Jersey in August maintains the high temperatures from July, albeit with a slight dip. The weather remains largely sunny with significant daylight hours. However, it experiences an increase in rainfall to 3.11" (79mm), the second highest for the year. Weather in August »

Weather in September

September marks the onset of fall in South Orange, New Jersey. Following August, the month witnesses a drop in temperatures, with shorter daylight hours as a sign of the changing season. Reduction in rainfall and cooling temperatures become more apparent towards the month's end. Weather in September »

Weather in October

October continues the fall season in South Orange, New Jersey. The weather is primarily defined by a significant drop in temperatures from September and relatively high rainfall measuring up to 3.07" (78mm). These changes, along with the dwindling daylight hours, enhance the autumnal feel. Weather in October »

Weather in November

In November, South Orange, New Jersey grapples with transitioning weather towards winter. A substantial drop in temperature from October, coupled with an increase in wind speed, sets a chilling stage. Following the trend of falling temperatures, the first instances of snowfall appear with 0.24" (6mm). Weather in November »

Weather in December

December brings in the winter season in full swing in South Orange, New Jersey. A further drop in temperatures characterizes this time and a significant rise in snowfall recorded at 1.73" (44mm) compared to November. The weather showcases classic winter traits, including the year’s highest number of snowfall days. Weather in December »
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Frequently asked questions

What time of the year is the coldest in South Orange?

In South Orange, January registers the lowest temperatures, averaging 35.6°F (2°C) at the peak and 24.3°F (-4.3°C) at the lowest.

How many days does it rain in South Orange?

Throughout the year, there are 163.5 rainfall days, and 33.7" (856mm) of precipitation is accumulated.

When does it snow in South Orange?

January through April, November and December are months with snowfall in South Orange, New Jersey.

How much does it snow in South Orange?

Throughout the year, in South Orange, there are 24.3 snowfall days, and 10.91" (277mm) of snow is accumulated.

What are the months with the lowest UV index in South Orange?

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

What are the most humid months in South Orange?

The months with the highest humidity are February and December, with an average relative humidity of 77%.

What is the month with the least sunshine in South Orange?

With an average of 4.7h of sunshine, February has the least sunshine of the year.

When does it snow the most in South Orange?

March is the month with the most snowfall in South Orange, New Jersey. Snow falls for 5.5 days and accumulates 3.46" (88mm) of snow.

When is Daylight Saving Time (DST) in South Orange?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in South Orange, New Jersey, 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.

When it does not snow in South Orange?

May through October are months without snowfall in South Orange.

When are the longest days in South Orange?

June has the longest days of the year in South Orange, with an average of 15h and 0min of daylight.

When is the highest UV index in South Orange?

The months with the highest UV index in South Orange, New Jersey, are June through August, with an average maximum UV index of 6.

What are the warmest months in South Orange?

South Orange's temperatures tend to reach their peak averages in July, with a high of 83.8°F (28.8°C) and a low of 67.8°F (19.9°C).

What month has the most sunshine in South Orange?

The month with the most sunshine in South Orange, New Jersey, is July, with an average of 10.6h of sunshine.

What is the least humid month in South Orange?

The least humid month in South Orange is August, with an average relative humidity of 71%.

What is the driest month in South Orange?

The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 2.01" (51mm) of precipitation.

What is the rainiest month in South Orange?

December is the month with the most rainfall in South Orange. Rain falls for 11.6 days and accumulates 3.54" (90mm) of precipitation.

What is the month with the shortest days in South Orange?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

Average temperature
South Orange, NJ

Average temperature - South Orange, NJ

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.6°F).

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure
South Orange, NJ

Average pressure - South Orange, 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).

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Average wind speed
South Orange, NJ

Average wind speed - South Orange, NJ

The windiest months (with the highest average wind speed) are January and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity
South Orange, NJ

Average humidity - South Orange, NJ

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).

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Average rainfall
South Orange, NJ

Average rainfall - South Orange, NJ

The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days
South Orange, NJ

Average rainfall days - South Orange, NJ

The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall
South Orange, NJ

Average snowfall - South Orange, NJ

The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
South Orange, NJ

Average snowfall days - South Orange, NJ

The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
South Orange, NJ

Average daylight / Average sunshine - South Orange, NJ

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).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days
South Orange, NJ

Average sunshine days - South Orange, NJ

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index
South Orange, NJ

Average UV index - South Orange, 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).

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Average visibility
South Orange, NJ

Average visibility - South Orange, NJ

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

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South Orange, New Jersey, USA

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