Climate and monthly weather forecast
Blackwood, NJ

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Weather in January

January, like December, in Blackwood, New Jersey, is a wintry winter month, with an average temperature varying between 37.9°F (3.3°C) and 26.1°F (-3.3°C). January is the coldest month, exhibiting average temperatures of 37.9°F (3.3°C) at the peak and 26.1°F (-3.3°C) at the base. Weather in January »

Weather in February

February, the last month of the winter in Blackwood, is also a wintry month, with an average temperature ranging between min 28.6°F (-1.9°C) and max 41.7°F (5.4°C). As January turns into February, the average high-temperatures rest at a still cold 41.7°F (5.4°C), showing a minor variation from the prior month. Weather in February »

Weather in March

March, the first month of the spring in Blackwood, is a fresh month, with an average temperature varying between 35.6°F (2°C) and 50°F (10°C). Blackwood's March weather indicates a minor increase in high-temperatures, edging from February's cold 41.7°F (5.4°C) to a fresh 50°F (10°C). Weather in March »

Weather in April

April in Blackwood, New Jersey, is a refreshing spring month, with an average temperature varying between 45.7°F (7.6°C) and 62.1°F (16.7°C). Blackwood in April sees a temperature change, with average high-temperatures moving from a fresh 50°F (10°C) in March to a refreshing 62.1°F (16.7°C). Weather in April »

Weather in May

May, the last month of the spring in Blackwood, is a pleasant month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 72°F (22.2°C). The onset of May marks an increase in the average high-temperature, moving from an enjoyable 62.1°F (16.7°C) in April to a pleasant 72°F (22.2°C). Weather in May »

Weather in June

June, the first month of the summer in Blackwood, is a warm month, with an average temperature fluctuating between 79.9°F (26.6°C) and 63.1°F (17.3°C). With the onset of June, Blackwood experiences a subtle temperature shift, with the average high-temperature moving from a pleasant 72°F (22.2°C) in May to a moderately hot 79.9°F (26.6°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Blackwood, New Jersey, with an average temperature varying between 69.3°F (20.7°C) and 85.8°F (29.9°C). With an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 69.3°F (20.7°C), July is the warmest month. July's mean heat index is calculated to be a very hot 96.8°F (36°C). Weather in July »

Weather in August

August, the last month of the summer in Blackwood, is also a moderately hot month, with an average temperature ranging between max 83.7°F (28.7°C) and min 68.2°F (20.1°C). Blackwood transitions into August recording an average high-temperature of a still moderately hot 83.7°F (28.7°C), closely aligning with the preceding month's temperature. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Blackwood, New Jersey, with an average temperature ranging between max 76.6°F (24.8°C) and min 61.2°F (16.2°C). The average high-temperature slightly decreases in September, shifting from 83.7°F (28.7°C) in August to a still moderately hot 76.6°F (24.8°C). Weather in September »

Weather in October

October, like September, in Blackwood, New Jersey, is another comfortable autumn month, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 65.1°F (18.4°C). As September transitions to October, the average high-temperature falls from a moderately hot 76.6°F (24.8°C) to a comfortable 65.1°F (18.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Blackwood, is another cool month, with an average temperature fluctuating between 39.7°F (4.3°C) and 53.6°F (12°C). November indicates a shift in the average high-temperature, from October's comfortable 65.1°F (18.4°C) to a fresh 53.6°F (12°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Blackwood, New Jersey, with an average temperature ranging between min 33.1°F (0.6°C) and max 44.2°F (6.8°C). Blackwood's weather in December involves a decrease in the average high-temperature, moving down from November's cool 53.6°F (12°C) to a chilly 44.2°F (6.8°C). Weather in December »
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Blackwood experiences its lowest temperatures in January, with an average peak of 37.9°F (3.3°C) and a low of 26.1°F (-3.3°C).

What is the driest month?

January and September are months with the least rain when the rain falls for 6.5 days and typically aggregates up to 0.67" (17mm) of rain.

How many days does it rain?

Throughout the year, there are 117 rainfall days, and 12.13" (308mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through March, May, November and December.

How many days does it snow?

In Blackwood, during the entire year, snow falls for 11.4 days and aggregates up to 3.11" (79mm) of snow.

What are the months with the lowest UV index?

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

What is the snowiest month in Blackwood?

The month with the most snowfall is February, when snow falls for 3 days and typically aggregates up to 1.1" (28mm) of snow.

What is the month with the least sunshine?

With an average of 4.9h of sunshine, February has the least sunshine of the year.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 71%.

When it does not snow?

In Blackwood, snow does not fall in April, June through October.

What are the months with the highest UV index?

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

When are the longest days?

June has the longest days of the year, with an average of 14h and 54min of daylight.

What are the warmest months?

July, with average temperatures reaching a high of 85.8°F (29.9°C) and a low of 69.3°F (20.7°C), is the warmest month.

What month has the most sunshine?

The month with the most sunshine in Blackwood is July, with an average of 10.6h of sunshine.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 12 days and accumulates 1.38" (35mm) of precipitation.

What is the most humid month?

With an average relative humidity of 77%, October is the most humid month.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

Average temperature
Blackwood, NJ

Average temperature - Blackwood, NJ

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.9°F).

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure
Blackwood, NJ

Average pressure - Blackwood, NJ

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed
Blackwood, NJ

Average wind speed - Blackwood, NJ

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity
Blackwood, NJ

Average humidity - Blackwood, NJ

The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (71%).

Average rainfall
Blackwood, NJ

Average rainfall - Blackwood, NJ

The wettest month (with the highest rainfall) is August (1.38").
The driest months (with the least rainfall) are January and September (0.67").

Average rainfall days
Blackwood, NJ

Average rainfall days - Blackwood, NJ

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (6.5 days).

Average snowfall
Blackwood, NJ

Average snowfall - Blackwood, NJ

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days
Blackwood, NJ

Average snowfall days - Blackwood, NJ

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Blackwood, NJ

Average daylight / Average sunshine - Blackwood, NJ

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

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 54min).

Average sunshine days
Blackwood, NJ

Average sunshine days - Blackwood, NJ

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.3 days).

Average UV index
Blackwood, NJ

Average UV index - Blackwood, NJ

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

Average cloud cover
Blackwood, NJ

Average cloud cover - Blackwood, NJ

The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).

Average visibility
Blackwood, NJ

Average visibility - Blackwood, 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).

Blackwood, New Jersey, USA

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