Monthly weather forecast and climate
Fairfield, NJ

January, the same as December, is a wintry winter month in Fairfield, New Jersey, with temperature in the range of an average low of 22.6°F (-5.2°C) and an average high of 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 22.6°F (-5.2°C). Weather in January »

The last month of the winter, February, is also a wintry month in Fairfield, New Jersey, with average temperature ranging between max 38.3°F (3.5°C) and min 24.4°F (-4.2°C). In Fairfield, the average high-temperature is essentially the same as in January - a still cold 38.3°F (3.5°C). Weather in February »

March, the first month of the spring, in Fairfield, is a frosty month, with average temperature ranging between max 46°F (7.8°C) and min 32°F (0°C). In March, the average high-temperature slightly increases, from a wintry 38.3°F (3.5°C) in February, to a chilly 46°F (7.8°C). Weather in March »

April in Fairfield, New Jersey, is a mild spring month, with average temperature varying between 58.5°F (14.7°C) and 42.3°F (5.7°C). In April, the average high-temperature rises, from a chilly 46°F (7.8°C) in March, to a moderate 58.5°F (14.7°C). Weather in April »

The last month of the spring, May, is a pleasant month in Fairfield, New Jersey, with average temperature varying between 51.8°F (11°C) and 69.1°F (20.6°C). In Fairfield, the average high-temperature increases, from a mild 58.5°F (14.7°C) in April, to an agreeable 69.1°F (20.6°C). Weather in May »

June, the first month of the summer, in Fairfield, is a warm month, with average temperature varying between 59.9°F (15.5°C) and 77.5°F (25.3°C). In June, the average high-temperature marginally rises, from an agreeable 69.1°F (20.6°C) in May, to a warm 77.5°F (25.3°C). Weather in June »

July, the same as June, is a moderately hot summer month in Fairfield, New Jersey, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 83.8°F (28.8°C). July is the warmest month, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 65.8°F (18.8°C). In July, the average heat index is appraised at a hot 91.4°F (33°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Fairfield, New Jersey, with average temperature fluctuating between 64.9°F (18.3°C) and 82°F (27.8°C). In Fairfield, New Jersey, the average high-temperature is practically the same as in July - a still moderately hot 82°F (27.8°C). Weather in August »

The first month of the autumn, September, is still a warm month in Fairfield, New Jersey, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 58.1°F (14.5°C). In September, the average high-temperature slightly decreases, from 82°F (27.8°C) in August, to a still moderately hot 74.7°F (23.7°C). Weather in September »

October, the same as September, is another enjoyable autumn month in Fairfield, New Jersey, with average temperature varying between 48.2°F (9°C) and 62.2°F (16.8°C). In October, the average high-temperature decreases, from a moderately hot 74.7°F (23.7°C) in September, to an enjoyable 62.2°F (16.8°C). Weather in October »

November, the last month of the autumn, in Fairfield, is also a fresh month, with temperature in the range of an average high of 50.5°F (10.3°C) and an average low of 37°F (2.8°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 »

The first month of the winter, December, is also a wintry month in Fairfield, New Jersey, with average temperature ranging between min 30.4°F (-0.9°C) and max 40.8°F (4.9°C). In Fairfield, the average high-temperature in December decreases, from a cool 50.5°F (10.3°C) in November, to a cold 40.8°F (4.9°C). Weather in December »

What is the coldest month in Fairfield?

The coldest month is January, with an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 22.6°F (-5.2°C).

How many days does it rain in Fairfield?

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

What is the driest month in Fairfield?

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

When does it snow in Fairfield?

Months with snowfall in Fairfield are January through May, November and December.

How much does it snow in Fairfield?

In Fairfield, 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 Fairfield?

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

What is the most humid month in Fairfield?

February and December, with an average relative humidity of 79%, are most humid months.

What is the month with the least sunshine in Fairfield?

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

What is the snowiest month in Fairfield?

The month with the most snowfall in Fairfield, New Jersey, is March when snow falls for 5 days and typically aggregates up to 3.58" (91mm) of snow.

What are the least humid months in Fairfield?

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

When it does not snow in Fairfield?

In Fairfield, New Jersey, snow does not fall in June through October.

When are the longest days in Fairfield?

With an average of 15.1h of daylight, June has the longest days of the year in Fairfield, New Jersey.

When is the highest UV index in Fairfield?

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

What is the warmest month in Fairfield?

The warmest month in Fairfield is July, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 65.8°F (18.8°C).

What is the wettest month in Fairfield?

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 Fairfield?

July has the most sunshine of the year in Fairfield, New Jersey, with an average of 10.4h of sunshine.

What is the month with the shortest days in Fairfield?

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

Average humidity - Fairfield, NJ
Average rainfall - Fairfield, NJ
Average rainfall days - Fairfield, 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).

Average snowfall - Fairfield, NJ
Average snowfall days - Fairfield, NJ

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

Average daylight / Average sunshine - Fairfield, 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: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days - Fairfield, 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).

Average UV index - Fairfield, NJ
Average visibility - Fairfield, 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).