Monthly weather forecast and climate
Watchung, NJ

Weather in January

January, like December, in Watchung, New Jersey, is a wintry winter month, with average temperature fluctuating between 36°F (2.2°C) and 23.9°F (-4.5°C). With an average high-temperature of 36°F (2.2°C) and an average low-temperature of 23.9°F (-4.5°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Watchung, is another cold month, with average temperature varying between 25.7°F (-3.5°C) and 39.2°F (4°C). In Watchung, the average high-temperature is practically the same as in January - a still cold 39.2°F (4°C). Weather in February »

Weather in March

March, the first month of the spring, in Watchung, is a frosty month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 47.3°F (8.5°C). In March, the average high-temperature marginally rises, from a wintry 39.2°F (4°C) in February, to a chilly 47.3°F (8.5°C). Weather in March »

Weather in April

April is a moderate spring month in Watchung, New Jersey, with average temperature fluctuating between 59°F (15°C) and 43.3°F (6.3°C). In April, the average high-temperature rises, from a chilly 47.3°F (8.5°C) in March, to a moderate 59°F (15°C). Weather in April »

Weather in May

May, the last month of the spring, in Watchung, is an agreeable month, with average temperature fluctuating between 52.9°F (11.6°C) and 69.3°F (20.7°C). In May, the average high-temperature rises, from a moderate 59°F (15°C) in April, to a pleasant 69.3°F (20.7°C). Weather in May »

Weather in June

June, the first month of the summer, in Watchung, is a moderately hot month, with average temperature fluctuating between 60.6°F (15.9°C) and 77.5°F (25.3°C). In June, the average high-temperature marginally rises, from a pleasant 69.3°F (20.7°C) in May, to a warm 77.5°F (25.3°C). Weather in June »

Weather in July

July, like June, in Watchung, New Jersey, is a moderately hot summer month, with average temperature ranging between min 67.5°F (19.7°C) and max 84.2°F (29°C). With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 67.5°F (19.7°C), July is the warmest month. The average heat index in July is estimated at a hot 92.3°F (33.5°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Watchung, New Jersey, with average temperature ranging between min 66.2°F (19°C) and max 82°F (27.8°C). In August, the average high-temperature is practically the same as in July - a still warm 82°F (27.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Watchung, New Jersey, with average temperature varying between 75.4°F (24.1°C) and 59.4°F (15.2°C). In September, the average high-temperature marginally drops, from 82°F (27.8°C) in August, to a still warm 75.4°F (24.1°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Watchung, New Jersey, with average temperature ranging between min 49.1°F (9.5°C) and max 63.1°F (17.3°C). In October, the average high-temperature decreases, from a moderately hot 75.4°F (24.1°C) in September, to an enjoyable 63.1°F (17.3°C). Weather in October »

Weather in November

November, the last month of the autumn, in Watchung, is another cool month, with temperature in the range of an average high of 51.1°F (10.6°C) and an average low of 38.1°F (3.4°C). In November, the average high-temperature decreases, from a comfortable 63.1°F (17.3°C) in October, to a fresh 51.1°F (10.6°C). Weather in November »

Weather in December

December, the first month of the winter, in Watchung, is also a wintry month, with average temperature varying between 31.1°F (-0.5°C) and 42.3°F (5.7°C). In Watchung, the average high-temperature slightly decreases, from a fresh 51.1°F (10.6°C) in November, to a cold 42.3°F (5.7°C). Weather in December »
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FAQ

What is the coldest month in Watchung?

January is the coldest month, with an average high-temperature of 36°F (2.2°C) and an average low-temperature of 23.9°F (-4.5°C).

How many days does it rain in Watchung?

In Watchung, New Jersey, during the entire year, the rain falls for 160.7 days and collects up to 30.12" (765mm) of precipitation.

When does it snow in Watchung?

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

How much does it snow in Watchung?

In Watchung, New Jersey, during the entire year, snow falls for 25.4 days, and aggregates up to 10.31" (262mm) of snow.

What are the months with the lowest UV index in Watchung?

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

What are the most humid months in Watchung?

February, October and December, with an average relative humidity of 78%, are most humid months in Watchung, New Jersey.

What is the month with the least sunshine in Watchung?

The month with the least sunshine in Watchung is February, with an average of 4.6h of sunshine.

What is the snowiest month in Watchung?

March is the month with the most snowfall. Snow falls for 5 days and accumulates 3.23" (82mm) of snow.

What are the least humid months in Watchung?

Months with the lowest humidity are April and August, with an average relative humidity of 73%.

When it does not snow in Watchung?

June through September are months without snowfall.

When are the longest days in Watchung?

June has the longest days of the year in Watchung, with an average of 15.1h of daylight.

When is the highest UV index in Watchung?

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

What is the warmest month in Watchung?

The warmest month is July, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 67.5°F (19.7°C).

What month has the most sunshine in Watchung?

July has the most sunshine of the year, with an average of 10.5h of sunshine.

What is the driest month in Watchung?

The month with the least rainfall is September when the rain falls for 12.9 days and typically collects 1.69" (43mm) of precipitation.

What is the wettest month in Watchung?

The month with the most rainfall in Watchung, New Jersey, is December when the rain falls for 11.5 days and typically aggregates up to 3.19" (81mm) of precipitation.

What is the month with the shortest days in Watchung?

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

Average temperature
Watchung, NJ

Average temperature - Watchung, 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 (36°F).

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

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Average pressure
Watchung, NJ

Average pressure - Watchung, NJ

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

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Average wind speed
Watchung, NJ

Average wind speed - Watchung, NJ

The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity
Watchung, NJ

Average humidity - Watchung, NJ

Months with the highest relative humidity are February, October and December (78%).
Months with the lowest relative humidity are April and August (73%).

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Average rainfall
Watchung, NJ

Average rainfall - Watchung, NJ

The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days
Watchung, NJ

Average rainfall days - Watchung, NJ

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (9.5 days).

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Average snowfall
Watchung, NJ

Average snowfall - Watchung, NJ

The month with the highest snowfall is March (3.23").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Watchung, NJ

Average snowfall days - Watchung, NJ

Months with the highest number of snowfall days are January and February (7.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Watchung, NJ

Average daylight / Average sunshine - Watchung, 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: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days
Watchung, NJ

Average sunshine days - Watchung, NJ

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index
Watchung, NJ

Average UV index - Watchung, NJ

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

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Average visibility
Watchung, NJ

Average visibility - Watchung, NJ

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

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