Climate and monthly weather forecast
Haddonfield, NJ

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Weather in January

January, the same as December, is another cold winter month in Haddonfield, New Jersey, with an average temperature fluctuating between 25.5°F (-3.6°C) and 37.8°F (3.2°C). Haddonfield records the coldest temperatures in January, averaging a high of 37.8°F (3.2°C) and a low of 25.5°F (-3.6°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Haddonfield, New Jersey, with an average temperature fluctuating between 41.5°F (5.3°C) and 27.9°F (-2.3°C). During February, Haddonfield observes a subtle ascent to a still cold 41.5°F (5.3°C) from January's 37.8°F (3.2°C) in the average high-temperature. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Haddonfield, New Jersey, with temperature in the range of an average high of 49.8°F (9.9°C) and an average low of 35.2°F (1.8°C). March's onset witnesses a minor shift in the average high-temperature, moving from a cold 41.5°F (5.3°C) in February to a chilly 49.8°F (9.9°C). Weather in March »

Weather in April

April in Haddonfield, New Jersey, is an enjoyable spring month, with an average temperature ranging between max 61.9°F (16.6°C) and min 45.1°F (7.3°C). As Haddonfield transitions into April, the average high-temperature is observed to rise from a frosty 49.8°F (9.9°C) in March to an enjoyable 61.9°F (16.6°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Haddonfield, New Jersey, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 55°F (12.8°C). May's onset is marked by a temperature increase, moving from a comfortable 61.9°F (16.6°C) in April to an agreeable 72.1°F (22.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Haddonfield, New Jersey, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 80.2°F (26.8°C). With the onset of June, Haddonfield experiences a subtle temperature shift, with the average high-temperature moving from a pleasant 72.1°F (22.3°C) in May to a moderately hot 80.2°F (26.8°C). Weather in June »

Weather in July

July in Haddonfield, New Jersey, is a tropical summer month, with an average temperature varying between 69.4°F (20.8°C) and 86.5°F (30.3°C). Haddonfield's warmest weather arrives in July, when temperatures average a high of 86.5°F (30.3°C) and a low of 69.4°F (20.8°C). During July, the heat index is estimated at a torrid 96.8°F (36°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Haddonfield, New Jersey, with an average temperature varying between 84.2°F (29°C) and 68.5°F (20.3°C). August's onset records an average high-temperature of a moderately hot 84.2°F (29°C), a near match to July's 86.5°F (30.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Haddonfield, is still a warm month, with an average temperature ranging between min 61.3°F (16.3°C) and max 77°F (25°C). The arrival of September suggests a slight decrease in the average high-temperature, moving from 84.2°F (29°C) in August to a still moderately hot 77°F (25°C). Weather in September »

Weather in October

October, like September, in Haddonfield, New Jersey, is another comfortable autumn month, with an average temperature fluctuating between 50.9°F (10.5°C) and 65.3°F (18.5°C). The transition into October involves a decrease in the average high-temperature, falling from a warm 77°F (25°C) in September to a refreshing 65.3°F (18.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Haddonfield, is another cool month, with an average temperature ranging between max 53.2°F (11.8°C) and min 39.4°F (4.1°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a refreshing 65.3°F (18.5°C) in October to a fresh 53.2°F (11.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Haddonfield, New Jersey, with an average temperature ranging between min 32.9°F (0.5°C) and max 44.2°F (6.8°C). December involves a decrease in temperature, down from a cool 53.2°F (11.8°C) in November to a frosty 44.2°F (6.8°C). Weather in December »
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Haddonfield?

January, on average, is the coldest month, registering a high temperature of 37.8°F (3.2°C) and a low of 25.5°F (-3.6°C).

What is the driest month?

The month with the least rainfall in Haddonfield is January, when the rain falls for 6.8 days and typically collects 0.67" (17mm) of precipitation.

How many days does it rain?

In Haddonfield, during the entire year, the rain falls for 121.5 days and collects up to 12.44" (316mm) of precipitation.

When does it snow?

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

How many days does it snow in Haddonfield?

Throughout the year, there are 10.3 snowfall days, and 2.36" (60mm) of snow is accumulated.

When is the lowest UV index in Haddonfield?

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

When does it snow the most in Haddonfield?

The month with the most snowfall is February, when snow falls for 3 days and typically aggregates up to 0.79" (20mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine in Haddonfield is February, with an average of 4.8h of sunshine.

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 70%.

When is the highest UV index?

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

When it does not snow?

In Haddonfield, New Jersey, snow does not fall in June through October.

When are the longest days?

With an average of 15h and 0min of daylight, June has the longest days of the year.

What is the hottest time of year in Haddonfield?

July, with its average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 69.4°F (20.8°C), holds the record as the warmest month.

What month has the most sunshine?

July has the most sunshine of the year in Haddonfield, New Jersey, with an average of 10.6h of sunshine.

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 12.4 days and accumulates 1.46" (37mm) 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?

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

Average temperature
Haddonfield, NJ

Average temperature - Haddonfield, NJ

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure
Haddonfield, NJ

Average pressure - Haddonfield, 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
Haddonfield, NJ

Average wind speed - Haddonfield, NJ

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity
Haddonfield, NJ

Average humidity - Haddonfield, NJ

The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (70%).

Average rainfall
Haddonfield, NJ

Average rainfall - Haddonfield, NJ

The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days
Haddonfield, NJ

Average rainfall days - Haddonfield, NJ

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (6.6 days).

Average snowfall
Haddonfield, NJ

Average snowfall - Haddonfield, NJ

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

Average snowfall days
Haddonfield, NJ

Average snowfall days - Haddonfield, NJ

The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Haddonfield, NJ

Average daylight / Average sunshine - Haddonfield, 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 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 48min).

Average sunshine days
Haddonfield, NJ

Average sunshine days - Haddonfield, NJ

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (14 days).

Average UV index
Haddonfield, NJ

Average UV index - Haddonfield, 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 visibility
Haddonfield, NJ

Average visibility - Haddonfield, 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).

Haddonfield, New Jersey, USA

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