Monthly weather forecast and climate
Hopatcong, NJ

January, the same as December, is another cold winter month in Hopatcong, New Jersey, with temperature in the range of an average high of 33.4°F (0.8°C) and an average low of 20.7°F (-6.3°C). With an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 20.7°F (-6.3°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Hopatcong, is another cold month, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 37°F (2.8°C). In Hopatcong, the average high-temperature in February is relatively the same as in January - a still wintry 37°F (2.8°C). Weather in February »

The first month of the spring, March, is a frosty month in Hopatcong, New Jersey, with temperature in the range of an average low of 29.8°F (-1.2°C) and an average high of 45.1°F (7.3°C). In March, the average high-temperature marginally rises, from a wintry 37°F (2.8°C) in February, to a chilly 45.1°F (7.3°C). Weather in March »

April in Hopatcong, New Jersey, is a mild spring month, with average temperature fluctuating between 57.9°F (14.4°C) and 40.1°F (4.5°C). In April, the average high-temperature rises, from a chilly 45.1°F (7.3°C) in March, to a mild 57.9°F (14.4°C). Weather in April »

May, the last month of the spring, in Hopatcong, is an agreeable month, with average temperature ranging between min 49.8°F (9.9°C) and max 68.2°F (20.1°C). In May, the average high-temperature increases, from a mild 57.9°F (14.4°C) in April, to a pleasant 68.2°F (20.1°C). Weather in May »

June, the first month of the summer, in Hopatcong, is a warm month, with average temperature ranging between min 57°F (13.9°C) and max 76.6°F (24.8°C). In June, the average high-temperature marginally rises, from a pleasant 68.2°F (20.1°C) in May, to a moderately hot 76.6°F (24.8°C). Weather in June »

July, the same as June, is another warm summer month in Hopatcong, New Jersey, with average temperature fluctuating between 82.9°F (28.3°C) and 63.1°F (17.3°C). The warmest month is July, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 63.1°F (17.3°C). The average heat index is evaluated at a hot 90.3°F (32.4°C). Weather in July »

August, the last month of the summer, in Hopatcong, is also a moderately hot month, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 80.8°F (27.1°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 80.8°F (27.1°C). Weather in August »

September, the first month of the autumn, in Hopatcong, is still a warm month, with average temperature ranging between max 73.9°F (23.3°C) and min 55.2°F (12.9°C). In Hopatcong, New Jersey, the average high-temperature marginally drops, from a warm 80.8°F (27.1°C) in August, to a still moderately hot 73.9°F (23.3°C). Weather in September »

October, like September, in Hopatcong, New Jersey, is another enjoyable autumn month, with average temperature ranging between min 45.5°F (7.5°C) and max 61.5°F (16.4°C). In October, the average high-temperature decreases, from a moderately hot 73.9°F (23.3°C) in September, to an enjoyable 61.5°F (16.4°C). Weather in October »

November, the last month of the autumn, in Hopatcong, is also a frosty month, with average temperature fluctuating between 49.1°F (9.5°C) and 34.7°F (1.5°C). In Hopatcong, the average high-temperature drops, from an enjoyable 61.5°F (16.4°C) in October, to a chilly 49.1°F (9.5°C). Weather in November »

The first month of the winter, December, is still a cold month in Hopatcong, New Jersey, with average temperature fluctuating between 39.6°F (4.2°C) and 27.9°F (-2.3°C). In Hopatcong, the average high-temperature decreases, from a chilly 49.1°F (9.5°C) in November, to a cold 39.6°F (4.2°C). Weather in December »

What is the coldest month in Hopatcong?

The coldest month is January, with an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 20.7°F (-6.3°C).

How much does it rain in Hopatcong?

In Hopatcong, New Jersey, during the entire year, the rain falls for 162.3 days and collects up to 31.54" (801mm) of precipitation.

When does it snow in Hopatcong?

Months with snowfall in Hopatcong are January through May, October through December.

How much does it snow in Hopatcong?

In Hopatcong, during the entire year, snow falls for 36.2 days, and aggregates up to 19.61" (498mm) of snow.

What is the most humid month in Hopatcong?

Months with the highest humidity are February, October and December, with an average relative humidity of 81%.

What is the snowiest month in Hopatcong?

February is the month with the most snowfall. Snow falls for 9.4 days and accumulates 4.61" (117mm) of snow.

What is the month with the least sunshine in Hopatcong?

With an average of 4.4h of sunshine, February has the least sunshine of the year in Hopatcong.

What is the least humid month in Hopatcong?

The least humid month is April, with an average relative humidity of 76%.

When it does not snow in Hopatcong?

In Hopatcong, New Jersey, snow does not fall in June through September.

When are the longest days in Hopatcong?

The month with the longest days is June, with an average of 15.1h of daylight.

What is the month with the highest UV index in Hopatcong?

Months with the highest UV index in Hopatcong are June and July, with an average maximum UV index of 6.

What is the warmest month in Hopatcong?

The warmest month in Hopatcong is July, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 63.1°F (17.3°C).

What is the wettest month in Hopatcong?

The month with the most rainfall in Hopatcong, New Jersey, is July when the rain falls for 17.8 days and typically aggregates up to 3.35" (85mm) of precipitation.

What month has the most sunshine in Hopatcong?

With an average of 10.2h of sunshine, July has the most sunshine of the year.

What is the driest month in Hopatcong?

September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.65" (42mm) of precipitation.

What is the month with the shortest days in Hopatcong?

The month with the shortest days in Hopatcong is December, with an average of 9.3h of daylight.

What is the month with the lowest UV index in Hopatcong?

With an average maximum UV index of 1, December is the month with the lowest UV index in Hopatcong, New Jersey.
Average temperature - Hopatcong, NJ
Average pressure - Hopatcong, NJ

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed - Hopatcong, NJ

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity - Hopatcong, NJ
Average rainfall - Hopatcong, NJ

The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days - Hopatcong, NJ

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.5 days).

Average snowfall - Hopatcong, NJ
Average snowfall days - Hopatcong, NJ

The month with the highest number of snowfall days is January (9.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Hopatcong, NJ

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.4h).

Average sunshine days - Hopatcong, NJ

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.9 days).

Average visibility - Hopatcong, NJ

The month with the highest visibility is April (6mi).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).