Monthly weather forecast and climate
South Dennis, NJ

Weather in January

January, the same as December, is another cold winter month in South Dennis, New Jersey, with average temperature varying between 40.1°F (4.5°C) and 31.3°F (-0.4°C). With an average high-temperature of 40.1°F (4.5°C) and an average low-temperature of 31.3°F (-0.4°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in South Dennis, New Jersey, with average temperature fluctuating between 42.1°F (5.6°C) and 32.7°F (0.4°C). In February, the average high-temperature is essentially the same as in January - a still cold 42.1°F (5.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in South Dennis, New Jersey, with average temperature varying between 38.3°F (3.5°C) and 47.3°F (8.5°C). In March, the average high-temperature is almost the same as in February - a frosty 47.3°F (8.5°C). Weather in March »

Weather in April

April in South Dennis, New Jersey, is a mild spring month, with average temperature varying between 56.8°F (13.8°C) and 48°F (8.9°C). In April, the average high-temperature increases, from a chilly 47.3°F (8.5°C) in March, to a moderate 56.8°F (13.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in South Dennis, New Jersey, with average temperature varying between 57°F (13.9°C) and 66.2°F (19°C). In South Dennis, the average high-temperature increases, from a moderate 56.8°F (13.8°C) in April, to an enjoyable 66.2°F (19°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in South Dennis, New Jersey, with average temperature varying between 74.8°F (23.8°C) and 66.2°F (19°C). In South Dennis, the average high-temperature slightly increases, from an enjoyable 66.2°F (19°C) in May, to a warm 74.8°F (23.8°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in South Dennis, New Jersey, with average temperature varying between 80.8°F (27.1°C) and 72.1°F (22.3°C). With an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 72.1°F (22.3°C), July is the warmest month. In July, the average heat index is appraised at 85.8°F (29.9°C). Weather in July »

Weather in August

August, the last month of the summer, in South Dennis, is also a moderately hot month, with temperature in the range of an average low of 71.6°F (22°C) and an average high of 79.9°F (26.6°C). In August, the average high-temperature is relatively the same as in July - a still warm 79.9°F (26.6°C). Weather in August »

Weather in September

September, the first month of the autumn, in South Dennis, is also a moderately hot month, with average temperature fluctuating between 66.2°F (19°C) and 73.9°F (23.3°C). In South Dennis, the average high-temperature slightly decreases, from a warm 79.9°F (26.6°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 South Dennis, New Jersey, with average temperature varying between 64.4°F (18°C) and 56.3°F (13.5°C). In October, the average high-temperature drops, from a moderately hot 73.9°F (23.3°C) in September, to an enjoyable 64.4°F (18°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in South Dennis, New Jersey, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 45.5°F (7.5°C). In November, the average high-temperature drops, from a comfortable 64.4°F (18°C) in October, to a fresh 54.1°F (12.3°C). Weather in November »

Weather in December

December, the first month of the winter, in South Dennis, is also a frosty month, with average temperature ranging between min 37.9°F (3.3°C) and max 46°F (7.8°C). In South Dennis, New Jersey, the average high-temperature slightly decreases, from a cool 54.1°F (12.3°C) in November, to a frosty 46°F (7.8°C). Weather in December »
[Resources]

FAQ

What is the coldest month in South Dennis?

With an average high-temperature of 40.1°F (4.5°C) and an average low-temperature of 31.3°F (-0.4°C), January is the coldest month in South Dennis, New Jersey.

How much does it rain in South Dennis?

In South Dennis, New Jersey, during the entire year, the rain falls for 130.8 days and collects up to 13.23" (336mm) of precipitation.

What is the driest month in South Dennis?

The month with the least rainfall in South Dennis is January when the rain falls for 7 days and typically collects 0.67" (17mm) of precipitation.

When does it snow in South Dennis?

Months with snowfall in South Dennis, New Jersey, are January through March, November and December.

How much does it snow in South Dennis?

In South Dennis, New Jersey, during the entire year, snow falls for 13.2 days, and aggregates up to 1.85" (47mm) of snow.

When does it snow the most in South Dennis?

The month with the most snowfall in South Dennis is January when snow falls for 4.7 days and typically aggregates up to 0.59" (15mm) of snow.

What is the month with the lowest UV index in South Dennis?

Months with the lowest UV index in South Dennis, New Jersey, are January, February and December, with an average maximum UV index of 2.

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

With an average of 5h of sunshine, February has the least sunshine of the year in South Dennis.

When it does not snow in South Dennis?

In South Dennis snow does not fall in April through October.

What is the most humid month in South Dennis?

May is the most humid month in South Dennis, New Jersey, with an average relative humidity of 81%.

When are the longest days in South Dennis?

June has the longest days of the year in South Dennis, New Jersey, with an average of 14.9h of daylight.

When is the highest UV index in South Dennis?

Months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the warmest month in South Dennis?

The warmest month in South Dennis is July, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 72.1°F (22.3°C).

What month has the most sunshine in South Dennis?

With an average of 11h of sunshine, July has the most sunshine of the year.

What is the rainiest month in South Dennis?

August is the month with the most rainfall in South Dennis. Rain falls for 13.5 days and accumulates 1.61" (41mm) of precipitation.

What is the least humid month in South Dennis?

The least humid month is November, with an average relative humidity of 73%.

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

The month with the shortest days in South Dennis is December, with an average of 9.5h of daylight.

Average temperature
South Dennis, NJ

Average temperature - South Dennis, NJ

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (40.1°F).

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

[Resources]

Average pressure
South Dennis, NJ

Average pressure - South Dennis, NJ

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

[Resources]

Average wind speed
South Dennis, NJ

Average wind speed - South Dennis, NJ

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).

[Resources]

Average rainfall
South Dennis, NJ

Average rainfall - South Dennis, NJ

The wettest month (with the highest rainfall) is August (1.61").
The driest month (with the least rainfall) is January (0.67").

[Resources]

Average rainfall days
South Dennis, NJ

Average rainfall days - South Dennis, NJ

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (7 days).

[Resources]

Average snowfall
South Dennis, NJ

Average snowfall - South Dennis, NJ

The month with the highest snowfall is January (0.59").
Months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days
South Dennis, NJ

Average snowfall days - South Dennis, NJ

The month with the highest number of snowfall days is January (4.7 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

Average daylight / Average sunshine
South Dennis, NJ

Average daylight / Average sunshine - South Dennis, NJ

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is February (Average sunshine: 5h).

[Resources]

Average sunshine days
South Dennis, NJ

Average sunshine days - South Dennis, NJ

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (13.4 days).

[Resources]

Average UV index
South Dennis, NJ

Average UV index - South Dennis, NJ

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

[Resources]

Average visibility
South Dennis, NJ

Average visibility - South Dennis, NJ

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

[Resources]