Climate and monthly weather forecast
Hammonton, NJ

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Weather in January

January, the same as December, is another cold winter month in Hammonton, New Jersey, with an average temperature ranging between max 39°F (3.9°C) and min 27.5°F (-2.5°C). January, known for its average high temperature of 39°F (3.9°C) and an average low temperature of 27.5°F (-2.5°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Hammonton, is another cold month, with an average temperature ranging between max 42.4°F (5.8°C) and min 29.8°F (-1.2°C). With the onset of February, the average high-temperature stands at a still wintry 42.4°F (5.8°C), closely aligned with January's 39°F (3.9°C). Weather in February »

Weather in March

March, the first month of the spring in Hammonton, is a chilly month, with an average temperature ranging between max 49.6°F (9.8°C) and min 36°F (2.2°C). March introduces a marginal temperature uplift, with average high-temperatures adjusting from February's wintry 42.4°F (5.8°C) to a frosty 49.6°F (9.8°C). Weather in March »

Weather in April

April is a comfortable spring month in Hammonton, New Jersey, with an average temperature ranging between max 61°F (16.1°C) and min 46°F (7.8°C). As April sets, the average high-temperature shows an increase, moving up from a frosty 49.6°F (9.8°C) in March to a refreshing 61°F (16.1°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Hammonton, New Jersey, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 55°F (12.8°C). The commencement of May sees a shift in the average high-temperature, moving from an enjoyable 61°F (16.1°C) in April to an agreeable 70.3°F (21.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Hammonton, New Jersey, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 78.4°F (25.8°C). With the onset of June, Hammonton observes a minor temperature ascent, with the average high-temperature adjusting from May's pleasant 70.3°F (21.3°C) to a warm 78.4°F (25.8°C). Weather in June »

Weather in July

July, like June, in Hammonton, New Jersey, is another warm summer month, with an average temperature varying between 68.9°F (20.5°C) and 84.2°F (29°C). Hammonton's temperatures peak on average in July, reaching 84.2°F (29°C) at their highest and 68.9°F (20.5°C) at their lowest. In July, the heat index is estimated at a tropical 93.2°F (34°C). Weather in July »

Weather in August

August, the last month of the summer in Hammonton, is another warm month, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 68.4°F (20.2°C). Hammonton experiences a minor change to a still warm 82.8°F (28.2°C) in average high-temperature during August, closely reflecting July. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Hammonton, New Jersey, with an average temperature fluctuating between 76.3°F (24.6°C) and 62.2°F (16.8°C). Start of September brings a slight shift in the average high-temperature, dipping a bit from August's 82.8°F (28.2°C) to a still moderately hot 76.3°F (24.6°C). Weather in September »

Weather in October

October, like September, in Hammonton, New Jersey, is another enjoyable autumn month, with an average temperature fluctuating between 52.5°F (11.4°C) and 65.3°F (18.5°C). October implies a gentle temperature shift, with average high-temperatures reducing from September's moderately hot 76.3°F (24.6°C) to a comfortable 65.3°F (18.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Hammonton, New Jersey, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 53.6°F (12°C). A moderate decline in the average high-temperature is seen during November, decreasing from an enjoyable 65.3°F (18.5°C) in October to a cool 53.6°F (12°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Hammonton, New Jersey, with an average temperature varying between 34.2°F (1.2°C) and 45.5°F (7.5°C). As December commences, the average high-temperature subtly reduces, transitioning from a fresh 53.6°F (12°C) in November to a frosty 45.5°F (7.5°C). Weather in December »
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Hammonton's temperature records reveal January as the coldest month, marked by average highs of 39°F (3.9°C) and lows of 27.5°F (-2.5°C).

What is the driest month?

January is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.67" (17mm) of precipitation.

How much does it rain?

In Hammonton, during the entire year, the rain falls for 115 days and collects up to 12.44" (316mm) of precipitation.

When does it snow?

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

When does it snow the most?

The month with the most snowfall is January, when snow falls for 3.7 days and typically aggregates up to 1.06" (27mm) of snow.

How much does it snow?

In Hammonton, during the entire year, snow falls for 11.9 days and aggregates up to 2.99" (76mm) of snow.

When is 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 month with the least sunshine?

February has the least sunshine of the year, with an average of 5h of sunshine.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hammonton, 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 72%.

When it does not snow?

April, June through October are months without snowfall.

What is the month with the highest UV index?

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

What is the most humid month?

The most humid month is June, with an average relative humidity of 79%.

When are the longest days?

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

What part of the year is the hottest?

The month of July, characterized by an average high of 84.2°F (29°C) and a low of 68.9°F (20.5°C), is recognized as the warmest.

What is the wettest month?

The month with the most rainfall is July, when the rain falls for 13.3 days and typically aggregates up to 1.54" (39mm) of precipitation.

What month has the most sunshine?

The month with the most sunshine in Hammonton is July, with an average of 10.7h of sunshine.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Hammonton, NJ

Average temperature - Hammonton, 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 (39°F).

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

Average pressure
Hammonton, NJ

Average pressure - Hammonton, NJ

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed
Hammonton, NJ

Average wind speed - Hammonton, NJ

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity
Hammonton, NJ

Average humidity - Hammonton, NJ

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).

Average rainfall
Hammonton, NJ

Average rainfall - Hammonton, NJ

The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days
Hammonton, NJ

Average rainfall days - Hammonton, NJ

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is November (6.7 days).

Average snowfall
Hammonton, NJ

Average snowfall - Hammonton, NJ

The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days
Hammonton, NJ

Average snowfall days - Hammonton, NJ

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Hammonton, NJ

Average daylight / Average sunshine - Hammonton, 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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days
Hammonton, NJ

Average sunshine days - Hammonton, NJ

The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is July (14.3 days).

Average UV index
Hammonton, NJ

Average UV index - Hammonton, 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
Hammonton, NJ

Average cloud cover - Hammonton, NJ

The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 29).

Average visibility
Hammonton, NJ

Average visibility - Hammonton, 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).

Hammonton, New Jersey, USA

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