Climate and monthly weather forecastFairfield, NJ
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold 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). Fairfield's coldest weather arrives in January, when temperatures average a high of 34.9°F (1.6°C) and a low of 22.6°F (-5.2°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Fairfield, New Jersey, with temperature in the range of an average high of 38.3°F (3.5°C) and an average low of 24.4°F (-4.2°C). With the start of February, Fairfield measures an average high-temperature of a still icy 38.3°F (3.5°C), not significantly differing from January's 34.9°F (1.6°C). Weather in February »Weather in March
March, the first month of the spring in Fairfield, is a frosty month, with temperature in the range of an average low of 32°F (0°C) and an average high of 46°F (7.8°C). March's arrival coincides with a subtle temperature rise, moving from February's cold 38.3°F (3.5°C) to a chilly 46°F (7.8°C). Weather in March »Weather in April
April is a moderate spring month in Fairfield, New Jersey, with an average temperature ranging between min 42.3°F (5.7°C) and max 58.5°F (14.7°C). As Fairfield transitions into April, the average high-temperature shows a change, moving from a chilly 46°F (7.8°C) in March to a moderate 58.5°F (14.7°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Fairfield, New Jersey, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 51.8°F (11°C). As Fairfield welcomes May, the average high-temperature sees a rise, transitioning from a mild 58.5°F (14.7°C) in April to an agreeable 69.1°F (20.6°C). Weather in May »Weather in June
June, the first month of the summer in Fairfield, is a moderately hot month, with an average temperature fluctuating between 59.9°F (15.5°C) and 77.5°F (25.3°C). Observing a slight rise in June, the average high-temperature shifts from May's pleasant 69.1°F (20.6°C) to a warm 77.5°F (25.3°C). Weather in June »Weather in July
July, like June, in Fairfield, New Jersey, is another warm summer month, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 65.8°F (18.8°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 83.8°F (28.8°C) and a low of 65.8°F (18.8°C). During July, the heat index is calculated to be a tropical 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Fairfield, is another warm month, with an average temperature ranging between max 82°F (27.8°C) and min 64.9°F (18.3°C). August brings an average high-temperature of a still warm 82°F (27.8°C), showing a slight difference from July's 83.8°F (28.8°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Fairfield, New Jersey, with an average temperature varying between 58.1°F (14.5°C) and 74.7°F (23.7°C). The start of September signals a gentle decrease in the average high-temperature, transitioning from 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 Fairfield, New Jersey, is another enjoyable autumn month, with an average temperature ranging between max 62.2°F (16.8°C) and min 48.2°F (9°C). Fairfield in October demonstrates a small temperature transition, adjusting from an average high of a warm 74.7°F (23.7°C) in September to an enjoyable 62.2°F (16.8°C). Weather in October »Weather in November
November, the last month of the autumn in Fairfield, is also a fresh month, with an average temperature varying between 50.5°F (10.3°C) and 37°F (2.8°C). The arrival of November corresponds with a shift in temperature, down 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
December, the first month of the winter in Fairfield, is also a wintry month, with an average temperature varying between 40.8°F (4.9°C) and 30.4°F (-0.9°C). Fairfield's progression into December includes a drop in the average high-temperature, from a cool 50.5°F (10.3°C) in November to a cold 40.8°F (4.9°C). Weather in December »Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January tends to be the coldest month, with temperatures averaging a daily high of 34.9°F (1.6°C) and a low of 22.6°F (-5.2°C).
The month with the least rainfall is January, when the rain falls for 7.8 days and typically collects 1.57" (40mm) of precipitation.
Throughout the year, there are 158 rainfall days, and 27.4" (696mm) of precipitation is accumulated.
Months with snowfall are January through May, November and December.
In Fairfield, during the entire year, snow falls for 24.3 days and aggregates up to 9.96" (253mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
February and December, with an average relative humidity of 79%, are most humid months.
With an average of 4.6h of sunshine, February has the least sunshine of the year.
The month with the most snowfall is March, when snow falls for 5 days and typically aggregates up to 3.58" (91mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
The months with the lowest humidity are April and August, with an average relative humidity of 73%.
In Fairfield, snow does not fall in June through October.
With an average of 15h and 6min of daylight, June has the longest days of the year.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
Fairfield's warmest weather arrives in July, when temperatures average a high of 83.8°F (28.8°C) and a low of 65.8°F (18.8°C).
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.
With an average of 10.4h of sunshine, July has the most sunshine of the year.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Fairfield, 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).
Average pressure
Fairfield, NJ
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Fairfield, NJ
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.7mph
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
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall
Fairfield, NJ
- Average rainfall in January:
1.57" - Average rainfall in February:
1.61" - Average rainfall in March:
2.2" - Average rainfall in April:
2.24" - Average rainfall in May:
2.8" - Average rainfall in June:
2.6"
- Average rainfall in July:
3.15" - Average rainfall in August:
2.68" - Average rainfall in September:
1.69" - Average rainfall in October:
2.44" - Average rainfall in November:
1.93" - Average rainfall in December:
2.48"
The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days
Fairfield, NJ
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
17.6 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
10.1 days
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 in January:
1.89" - Average snowfall in February:
2.76" - Average snowfall in March:
3.58" - Average snowfall in April:
0.16" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Fairfield, NJ
- Average snowfall days in January:
6.6 days - Average snowfall days in February:
7 days - Average snowfall days in March:
5 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
4.4 days
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).
Average daylight / Average sunshine
Fairfield, NJ
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
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).
Average sunshine days
Fairfield, NJ
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
17.4 days
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
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).
Average cloud cover
Fairfield, NJ
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Fairfield, 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).
