Climate and monthly weather forecast
Caldwell, NJ

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Weather in January

January, like December, in Caldwell, New Jersey, is a wintry winter month, with temperature in the range of an average high of 34.9°F (1.6°C) and an average low of 22.6°F (-5.2°C). January, noted for its average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 22.6°F (-5.2°C), is considered the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Caldwell, New Jersey, with an average temperature ranging between min 24.4°F (-4.2°C) and max 38.3°F (3.5°C). With February's arrival, Caldwell, New Jersey, notes an average high-temperature of a still wintry 38.3°F (3.5°C), closely following the trend of the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Caldwell, is a frosty month, with an average temperature ranging between max 46°F (7.8°C) and min 32°F (0°C). March's arrival sees a mild rise in the average high-temperature, transitioning from February's icy 38.3°F (3.5°C) to a chilly 46°F (7.8°C). Weather in March »

Weather in April

April in Caldwell, New Jersey, is a moderate spring month, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 42.3°F (5.7°C). April witnesses an increase in the average high-temperature, moving from a frosty 46°F (7.8°C) in March to a mild 58.5°F (14.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Caldwell, New Jersey, with an average temperature varying between 69.1°F (20.6°C) and 51.8°F (11°C). Caldwell's May weather brings a rise in high-temperatures, moving from a refreshing 58.5°F (14.7°C) in April to a pleasant 69.1°F (20.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Caldwell, New Jersey, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 59.9°F (15.5°C). Caldwell's transition into June brings a slight rise in the average high-temperature, moving from an agreeable 69.1°F (20.6°C) in May to a moderately hot 77.5°F (25.3°C). Weather in June »

Weather in July

July, like June, in Caldwell, New Jersey, is a moderately hot summer month, with an average temperature fluctuating between 65.8°F (18.8°C) and 83.8°F (28.8°C). The average temperatures reach their apex in July, averaging 83.8°F (28.8°C) at the high end and 65.8°F (18.8°C) at the low end. For most parts of July, the heat index is estimated at a hot 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Caldwell, is another warm month, with an average temperature fluctuating between 64.9°F (18.3°C) and 82°F (27.8°C). The average high-temperature during August registers at a still moderately hot 82°F (27.8°C), closely corresponding to the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Caldwell, is still a warm month, with an average temperature ranging between min 58.1°F (14.5°C) and max 74.7°F (23.7°C). Caldwell in September experiences a gentle temperature dip, with average high-temperatures reducing from a moderately hot 82°F (27.8°C) in August to a still warm 74.7°F (23.7°C). Weather in September »

Weather in October

October, like September, in Caldwell, New Jersey, is another enjoyable autumn month, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 48.2°F (9°C). As October begins, there is a decrease in the average high-temperature, falling from a warm 74.7°F (23.7°C) in September to a refreshing 62.2°F (16.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Caldwell, is also a fresh month, with an average temperature fluctuating between 50.5°F (10.3°C) and 37°F (2.8°C). The start of November comes with a reduction in the average high-temperature, receding from a comfortable 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 still a cold month in Caldwell, New Jersey, with an average temperature varying between 40.8°F (4.9°C) and 30.4°F (-0.9°C). December comes with a decrease in the average high-temperature, falling from a fresh 50.5°F (10.3°C) in November to an icy 40.8°F (4.9°C). Weather in December »
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Frequently asked questions

What is the coldest month in Caldwell?

Caldwell witnesses the coldest weather in January, with temperatures averaging a high of 34.9°F (1.6°C) and a low of 22.6°F (-5.2°C).

What is the driest month in Caldwell?

The month with the least rainfall in Caldwell is January, when the rain falls for 7.8 days and typically collects 1.57" (40mm) of precipitation.

How much does it rain in Caldwell?

Throughout the year, in Caldwell, there are 158 rainfall days, and 27.4" (696mm) of precipitation is accumulated.

When does it snow in Caldwell?

Months with snowfall in Caldwell, New Jersey, are January through May, November and December.

How much does it snow in Caldwell?

In Caldwell, New Jersey, during the entire year, snow falls for 24.3 days and aggregates up to 9.96" (253mm) of snow.

When is the lowest UV index in Caldwell?

The 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 Caldwell?

The months with the highest humidity are February and December, with an average relative humidity of 79%.

What is the month with the least sunshine in Caldwell?

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

What is the snowiest month in Caldwell?

March is the month with the most snowfall. Snow falls for 5 days and accumulates 3.58" (91mm) of snow.

When is Daylight Saving Time (DST) in Caldwell?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Caldwell, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Caldwell?

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

When it does not snow in Caldwell?

In Caldwell, snow does not fall in June through October.

When are the longest days in Caldwell?

With an average of 15h and 6min of daylight, June has the longest days of the year.

When is the highest UV index in Caldwell?

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

What are the warmest months in Caldwell?

In Caldwell, July is the month with the highest recorded average temperatures, measuring a high of 83.8°F (28.8°C) and a low of 65.8°F (18.8°C).

What is the wettest month in Caldwell?

The month with the most rainfall is July, when the rain falls for 17.8 days and typically aggregates up to 3.15" (80mm) of precipitation.

What month has the most sunshine in Caldwell?

July has the most sunshine of the year, with an average of 10.4h of sunshine.

What is the month with the shortest days in Caldwell?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

Average temperature
Caldwell, NJ

Average temperature - Caldwell, NJ

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.9°F).

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure
Caldwell, NJ

Average pressure - Caldwell, NJ

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

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Average wind speed
Caldwell, NJ

Average wind speed - Caldwell, NJ

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity
Caldwell, NJ

Average humidity - Caldwell, NJ

The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are April and August (73%).

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Average rainfall
Caldwell, NJ

Average rainfall - Caldwell, NJ

The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is January (1.57").

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Average rainfall days
Caldwell, NJ

Average rainfall days - Caldwell, NJ

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall
Caldwell, NJ

Average snowfall - Caldwell, NJ

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Caldwell, NJ

Average snowfall days - Caldwell, NJ

The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Caldwell, NJ

Average daylight / Average sunshine - Caldwell, NJ

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
Caldwell, NJ

Average sunshine days - Caldwell, NJ

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index
Caldwell, NJ

Average UV index - Caldwell, NJ

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

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Average visibility
Caldwell, NJ

Average visibility - Caldwell, NJ

The 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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Caldwell, New Jersey, USA

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