Monthly weather forecast and climate
Morris Plains, NJ

Weather in January

January, the same as December, is another cold winter month in Morris Plains, New Jersey, with average temperature ranging between min 22.5°F (-5.3°C) and max 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 »

Weather in February

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

Weather in March

The first month of the spring, March, is a chilly month in Morris Plains, New Jersey, with average temperature varying between 31.5°F (-0.3°C) and 46°F (7.8°C). In Morris Plains, 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 »

Weather in April

April in Morris Plains, New Jersey, is a moderate spring month, with temperature in the range of an average high of 58.3°F (14.6°C) and an average low of 41.7°F (5.4°C). In Morris Plains, the average high-temperature in April rises, from a frosty 46°F (7.8°C) in March, to a moderate 58.3°F (14.6°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Morris Plains, New Jersey, with average temperature varying between 68.9°F (20.5°C) and 51.3°F (10.7°C). In Morris Plains, the average high-temperature in May increases, from a moderate 58.3°F (14.6°C) in April, to a pleasant 68.9°F (20.5°C). Weather in May »

Weather in June

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

Weather in July

July, the same as June, is a moderately hot summer month in Morris Plains, New Jersey, with average temperature ranging between max 83.7°F (28.7°C) and min 65.7°F (18.7°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). The average heat index is calculated to a tropical 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer, in Morris Plains, is another warm month, with average temperature fluctuating between 64°F (17.8°C) and 81.5°F (27.5°C). In August, the average high-temperature is relatively the same as in July - a still warm 81.5°F (27.5°C). Weather in August »

Weather in September

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

Weather in October

October, like September, in Morris Plains, New Jersey, is another enjoyable autumn month, with average temperature ranging between min 47.3°F (8.5°C) and max 62.2°F (16.8°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 »

Weather in November

November, the last month of the autumn, in Morris Plains, is another cool month, with average temperature ranging between max 50.5°F (10.3°C) and min 36.5°F (2.5°C). In Morris Plains, the average high-temperature drops, from an enjoyable 62.2°F (16.8°C) in October, to a cool 50.5°F (10.3°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Morris Plains, New Jersey, with average temperature fluctuating between 40.8°F (4.9°C) and 29.5°F (-1.4°C). In December, the average high-temperature drops, from a cool 50.5°F (10.3°C) in November, to a cold 40.8°F (4.9°C). Weather in December »
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FAQ

What is the coldest month in Morris Plains?

The coldest month in Morris Plains, New Jersey, 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).

How many days does it rain in Morris Plains?

Throughout the year, there are 157.9 rainfall days, and 27.05" (687mm) of precipitation is accumulated.

What is the driest month in Morris Plains?

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

When does it snow in Morris Plains?

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

How many days does it snow in Morris Plains?

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

What are the months with the lowest UV index in Morris Plains?

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

What is the most humid month in Morris Plains?

Months with the highest humidity are February, October and December, with an average relative humidity of 80%.

What is the month with the least sunshine in Morris Plains?

With an average of 4.6h of sunshine, February has the least sunshine of the year.

What is the snowiest month in Morris Plains?

The month with the most snowfall 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 Morris Plains?

The least humid month is April, with an average relative humidity of 74%.

When it does not snow in Morris Plains?

June through October are months without snowfall in Morris Plains.

When are the longest days in Morris Plains?

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

What are the months with the highest UV index in Morris Plains?

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

What is the warmest month in Morris Plains?

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 Morris Plains.

What is the wettest month in Morris Plains?

The month with the most rainfall in Morris Plains, New Jersey, is July when the rain falls for 17.6 days and typically aggregates up to 3.19" (81mm) of precipitation.

What month has the most sunshine in Morris Plains?

July has the most sunshine of the year in Morris Plains, New Jersey, with an average of 10.3h of sunshine.

What is the month with the shortest days in Morris Plains?

December has the shortest days of the year, with an average of 9.3h of daylight.

Average temperature
Morris Plains, NJ

Average temperature - Morris Plains, NJ

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34.9°F).

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure
Morris Plains, NJ

Average pressure - Morris Plains, 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
Morris Plains, NJ

Average wind speed - Morris Plains, 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).

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Average humidity
Morris Plains, NJ

Average humidity - Morris Plains, NJ

Months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).

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Average rainfall
Morris Plains, NJ

Average rainfall - Morris Plains, 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").

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Average rainfall days
Morris Plains, NJ

Average rainfall days - Morris Plains, 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).

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Average snowfall
Morris Plains, NJ

Average snowfall - Morris Plains, NJ

The month with the highest snowfall is March (3.7").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Morris Plains, NJ

Average snowfall days - Morris Plains, 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).

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Average daylight / Average sunshine
Morris Plains, NJ

Average daylight / Average sunshine - Morris Plains, 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).

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Average sunshine days
Morris Plains, NJ

Average sunshine days - Morris Plains, NJ

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index
Morris Plains, NJ

Average UV index - Morris Plains, 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 cloud cover
Morris Plains, NJ

Average cloud cover - Morris Plains, NJ

Months with the most cloud cover are February, March and December (Cloud cover 49).
Months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility
Morris Plains, NJ

Average visibility - Morris Plains, 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).

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