Monthly weather forecast and climate
Whippany, NJ

January, like December, in Whippany, New Jersey, is another cold winter month, with average temperature fluctuating between 22.5°F (-5.3°C) and 34.9°F (1.6°C). The coldest month is January, with an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 22.5°F (-5.3°C). Weather in January »

The last month of the winter, February, is another cold month in Whippany, New Jersey, with average temperature varying between 38.3°F (3.5°C) and 24.1°F (-4.4°C). In Whippany, the average high-temperature is almost the same as in January - a still wintry 38.3°F (3.5°C). Weather in February »

March, the first month of the spring, in Whippany, is a chilly month, with average temperature ranging between min 31.5°F (-0.3°C) and max 46°F (7.8°C). In March, the average high-temperature marginally rises, from a wintry 38.3°F (3.5°C) in February, to a frosty 46°F (7.8°C). Weather in March »

April in Whippany, New Jersey, is a moderate spring month, with average temperature fluctuating between 58.3°F (14.6°C) and 41.7°F (5.4°C). In Whippany, the average high-temperature in April increases, from a chilly 46°F (7.8°C) in March, to a moderate 58.3°F (14.6°C). Weather in April »

May, the last month of the spring, in Whippany, is an agreeable month, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 51.3°F (10.7°C). In May, the average high-temperature rises, from a mild 58.3°F (14.6°C) in April, to an agreeable 68.9°F (20.5°C). Weather in May »

June, the first month of the summer, in Whippany, is a moderately hot month, with average temperature varying between 58.8°F (14.9°C) and 77.4°F (25.2°C). In Whippany, the average high-temperature in June slightly increases, from a pleasant 68.9°F (20.5°C) in May, to a warm 77.4°F (25.2°C). Weather in June »

July, the same as June, is a moderately hot summer month in Whippany, New Jersey, with average temperature ranging between min 65.7°F (18.7°C) and max 83.7°F (28.7°C). July is the warmest month, with an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 65.7°F (18.7°C). In July, the average heat index is calculated to a hot 91.4°F (33°C). Weather in July »

August, the last month of the summer, in Whippany, is also a moderately hot month, with average temperature varying between 64°F (17.8°C) and 81.5°F (27.5°C). In Whippany, New Jersey, the average high-temperature in August is relatively the same as in July - a still moderately hot 81.5°F (27.5°C). Weather in August »

September, the first month of the autumn, in Whippany, is also a moderately hot month, with average temperature fluctuating between 57.2°F (14°C) and 74.5°F (23.6°C). In Whippany, the average high-temperature marginally drops, from 81.5°F (27.5°C) in August, to a still warm 74.5°F (23.6°C). Weather in September »

October, the same as September, is another enjoyable autumn month in Whippany, New Jersey, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 47.3°F (8.5°C). In October, the average high-temperature decreases, from a warm 74.5°F (23.6°C) in September, to a comfortable 62.2°F (16.8°C). Weather in October »

The last month of the autumn, November, is another cool month in Whippany, New Jersey, with average temperature varying between 36.5°F (2.5°C) and 50.5°F (10.3°C). In November, the average high-temperature decreases, from a comfortable 62.2°F (16.8°C) in October, to a cool 50.5°F (10.3°C). Weather in November »

December, the first month of the winter, in Whippany, is also a wintry month, with temperature in the range of an average high of 40.8°F (4.9°C) and an average low of 29.5°F (-1.4°C). In Whippany, New Jersey, the average high-temperature decreases, from a cool 50.5°F (10.3°C) in November, to a wintry 40.8°F (4.9°C). Weather in December »

What is the coldest month in Whippany?

With an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 22.5°F (-5.3°C), January is the coldest month in Whippany.

How many days does it rain in Whippany?

In Whippany, during the entire year, the rain falls for 157.9 days and collects up to 27.05" (687mm) of precipitation.

What is the driest month in Whippany?

Months with the least rainfall are January, February and September Rain falls for 8.3 days and accumulates 1.57" (40mm) of rain.

When does it snow in Whippany?

January through May, November and December are months with snowfall in Whippany, New Jersey.

How much does it snow in Whippany?

Throughout the year, in Whippany, there are 24 snowfall days, and 9.72" (247mm) of snow is accumulated.

When is the lowest UV index in Whippany?

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

What is the most humid month in Whippany?

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

What is the month with the least sunshine in Whippany?

With an average of 4.6h of sunshine, February has the least sunshine of the year in Whippany, New Jersey.

When does it snow the most in Whippany?

The month with the most snowfall in Whippany is March when snow falls for 5.2 days and typically aggregates up to 3.7" (94mm) of snow.

What is the least humid month in Whippany?

April is the least humid month in Whippany, with an average relative humidity of 74%.

When it does not snow in Whippany?

In Whippany snow does not fall in June through October.

When are the longest days in Whippany?

With an average of 15.1h of daylight, June has the longest days of the year.

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

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

What is the warmest month in Whippany?

With an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 65.7°F (18.7°C), July is the warmest month in Whippany, New Jersey.

What is the rainiest month in Whippany?

July is the month with the most rainfall in Whippany. Rain falls for 17.6 days and accumulates 3.19" (81mm) of precipitation.

What month has the most sunshine in Whippany?

July has the most sunshine of the year in Whippany, with an average of 10.3h of sunshine.

What is the month with the shortest days in Whippany?

The month with the shortest days is December, with an average of 9.3h of daylight.
Average temperature - Whippany, NJ
Average pressure - Whippany, 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 - Whippany, NJ

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity - Whippany, NJ
Average rainfall - Whippany, NJ

The wettest month (with the highest rainfall) is July (3.19").
The driest months (with the least rainfall) are January, February and September (1.57").

Average rainfall days - Whippany, NJ

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.3 days).

Average snowfall - Whippany, NJ
Average snowfall days - Whippany, NJ

The month with the highest number of snowfall days is February (6.8 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine - Whippany, 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: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days - Whippany, NJ
Average UV index - Whippany, NJ
Average visibility - Whippany, NJ

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