Mountain Lakes
New Jersey, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Mountain Lakes, NJ

January, like December, in Mountain Lakes, New Jersey, is a wintry winter month, with average temperature ranging between min 21.6°F (-5.8°C) and max 34.5°F (1.4°C). The coldest month is January, with an average high-temperature of 34.5°F (1.4°C) and an average low-temperature of 21.6°F (-5.8°C). Weather in January »

February, the last month of the winter, in Mountain Lakes, is also a wintry month, with average temperature ranging between min 23.5°F (-4.7°C) and max 37.8°F (3.2°C). In February, the average high-temperature is essentially the same as in January - a still cold 37.8°F (3.2°C). Weather in February »

The first month of the spring, March, is a chilly month in Mountain Lakes, New Jersey, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 45.9°F (7.7°C). In March, the average high-temperature marginally rises, from a wintry 37.8°F (3.2°C) in February, to a frosty 45.9°F (7.7°C). Weather in March »

April in Mountain Lakes, New Jersey, is a mild spring month, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 58.3°F (14.6°C). In Mountain Lakes, the average high-temperature in April rises, from a frosty 45.9°F (7.7°C) in March, to a mild 58.3°F (14.6°C). Weather in April »

May, the last month of the spring, in Mountain Lakes, is an agreeable month, with average temperature varying between 68.9°F (20.5°C) and 50.7°F (10.4°C). In Mountain Lakes, the average high-temperature in May increases, from a mild 58.3°F (14.6°C) in April, to a pleasant 68.9°F (20.5°C). Weather in May »

The first month of the summer, June, is a warm month in Mountain Lakes, New Jersey, with average temperature ranging between max 77°F (25°C) and min 57.9°F (14.4°C). In Mountain Lakes, the average high-temperature slightly increases, from an agreeable 68.9°F (20.5°C) in May, to a moderately hot 77°F (25°C). Weather in June »

July, the same as June, is a moderately hot summer month in Mountain Lakes, New Jersey, with average temperature varying between 83.1°F (28.4°C) and 64.8°F (18.2°C). July is the warmest month, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 64.8°F (18.2°C). In July, the average heat index is calculated to a hot 90.3°F (32.4°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Mountain Lakes, New Jersey, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 81.3°F (27.4°C). In August, the average high-temperature is essentially the same as in July - a still moderately hot 81.3°F (27.4°C). Weather in August »

The first month of the autumn, September, is still a warm month in Mountain Lakes, New Jersey, with average temperature varying between 56.3°F (13.5°C) and 74.3°F (23.5°C). In September, the average high-temperature slightly decreases, from 81.3°F (27.4°C) in August, to a still warm 74.3°F (23.5°C). Weather in September »

October, the same as September, is another comfortable autumn month in Mountain Lakes, New Jersey, with average temperature varying between 46.6°F (8.1°C) and 62.1°F (16.7°C). In Mountain Lakes, the average high-temperature drops, from a warm 74.3°F (23.5°C) in September, to an enjoyable 62.1°F (16.7°C). Weather in October »

The last month of the autumn, November, is also a frosty month in Mountain Lakes, New Jersey, with average temperature ranging between min 36°F (2.2°C) and max 49.8°F (9.9°C). In November, the average high-temperature decreases, from an enjoyable 62.1°F (16.7°C) in October, to a frosty 49.8°F (9.9°C). Weather in November »

December, the first month of the winter, in Mountain Lakes, is still a cold month, with average temperature ranging between max 40.1°F (4.5°C) and min 29.1°F (-1.6°C). In Mountain Lakes, the average high-temperature decreases, from a chilly 49.8°F (9.9°C) in November, to a cold 40.1°F (4.5°C). Weather in December »

What is the coldest month in Mountain Lakes?

The coldest month in Mountain Lakes is January, with an average high-temperature of 34.5°F (1.4°C) and an average low-temperature of 21.6°F (-5.8°C).

How much does it rain in Mountain Lakes?

In Mountain Lakes, New Jersey, during the entire year, the rain falls for 161.2 days and collects up to 33.74" (857mm) of precipitation.

When does it snow in Mountain Lakes?

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

How many days does it snow in Mountain Lakes?

Throughout the year, there are 30.9 snowfall days, and 15.79" (401mm) of snow is accumulated.

What is the month with the lowest UV index in Mountain Lakes?

Months with the lowest UV index in Mountain Lakes, New Jersey, are January through March, November and December, with an average maximum UV index of 2.

What is the most humid month in Mountain Lakes?

February, October and December, with an average relative humidity of 80%, are most humid months.

What is the month with the least sunshine in Mountain Lakes?

The month with the least sunshine is February, with an average of 4.4h of sunshine.

What is the snowiest month in Mountain Lakes?

The month with the most snowfall in Mountain Lakes, New Jersey, is March when snow falls for 6.1 days and typically aggregates up to 4.69" (119mm) of snow.

What is the least humid month in Mountain Lakes?

April is the least humid month in Mountain Lakes, New Jersey, with an average relative humidity of 74%.

When it does not snow in Mountain Lakes?

June through September are months without snowfall in Mountain Lakes.

When are the longest days in Mountain Lakes?

June has the longest days of the year in Mountain Lakes, New Jersey, with an average of 15.1h of daylight.

What are the months with the highest UV index in Mountain Lakes?

Months with the highest UV index in Mountain Lakes, New Jersey, are June through August, with an average maximum UV index of 6.

What is the warmest month in Mountain Lakes?

July is the warmest month in Mountain Lakes, New Jersey, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 64.8°F (18.2°C).

What month has the most sunshine in Mountain Lakes?

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

What is the driest month in Mountain Lakes?

The month with the least rainfall in Mountain Lakes is September when the rain falls for 12.5 days and typically collects 1.77" (45mm) of precipitation.

What is the rainiest month in Mountain Lakes?

The month with the most rainfall in Mountain Lakes, New Jersey, is December when the rain falls for 11.2 days and typically aggregates up to 3.43" (87mm) of precipitation.

What is the month with the shortest days in Mountain Lakes?

With an average of 9.3h of daylight, December has the shortest days of the year in Mountain Lakes, New Jersey.
Average temperature - Mountain Lakes, NJ
Average humidity - Mountain Lakes, NJ
Average rainfall - Mountain Lakes, NJ
Average rainfall days - Mountain Lakes, NJ

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.2 days).

Average snowfall - Mountain Lakes, NJ
Average snowfall days - Mountain Lakes, NJ

The month with the highest number of snowfall days is February (8.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Mountain Lakes, 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 UV index - Mountain Lakes, NJ