Climate and monthly weather forecastDeerfield, NJ
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Deerfield, New Jersey, with an average temperature fluctuating between 39°F (3.9°C) and 27.7°F (-2.4°C). Deerfield experiences its lowest temperatures in January, with an average peak of 39°F (3.9°C) and a low of 27.7°F (-2.4°C). Weather in January »Weather in February
February, the last month of the winter in Deerfield, is also an icy month, with an average temperature fluctuating between 29.7°F (-1.3°C) and 42.4°F (5.8°C). With the onset of February, the average high-temperature registers at a still wintry 42.4°F (5.8°C), subtly different from January's 39°F (3.9°C). Weather in February »Weather in March
March, the first month of the spring in Deerfield, is a frosty month, with an average temperature fluctuating between 49.6°F (9.8°C) and 36.5°F (2.5°C). The shift into March brings a slight increase in the average high-temperature, moving from a cold 42.4°F (5.8°C) in February to a frosty 49.6°F (9.8°C). Weather in March »Weather in April
April in Deerfield, New Jersey, is a refreshing spring month, with an average temperature ranging between max 61.2°F (16.2°C) and min 46°F (7.8°C). April brings a rise in Deerfield's average high-temperature, moving from a chilly 49.6°F (9.8°C) in March to a comfortable 61.2°F (16.2°C). Weather in April »Weather in May
May, the last month of the spring in Deerfield, is an agreeable month, with an average temperature ranging between min 55.8°F (13.2°C) and max 70.9°F (21.6°C). The arrival of May signals an increase in the average high-temperature, moving from a refreshing 61.2°F (16.2°C) in April to an agreeable 70.9°F (21.6°C). Weather in May »Weather in June
June, the first month of the summer in Deerfield, is a moderately hot month, with an average temperature ranging between max 78.8°F (26°C) and min 63.7°F (17.6°C). June marks a minor ascent in the average high-temperature, adjusting from May's agreeable 70.9°F (21.6°C) to a warm 78.8°F (26°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Deerfield, New Jersey, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 69.3°F (20.7°C). July, with average temperatures reaching a high of 84.2°F (29°C) and a low of 69.3°F (20.7°C), is the warmest month. For most parts of July, the heat index is appraised at a tropical 93.2°F (34°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Deerfield, New Jersey, with an average temperature ranging between max 82°F (27.8°C) and min 67.8°F (19.9°C). Deerfield observes a minor difference in average high-temperatures between July's 84.2°F (29°C) and August's 82°F (27.8°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Deerfield, New Jersey, with an average temperature varying between 76.1°F (24.5°C) and 61.9°F (16.6°C). Deerfield's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 82°F (27.8°C) in August to a still warm 76.1°F (24.5°C). Weather in September »Weather in October
October, like September, in Deerfield, New Jersey, is another refreshing autumn month, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 52.5°F (11.4°C). Deerfield in October experiences a subtle temperature decline, with average high-temperatures reducing from a warm 76.1°F (24.5°C) in September to an enjoyable 65.1°F (18.4°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Deerfield, New Jersey, with an average temperature ranging between max 54°F (12.2°C) and min 41°F (5°C). With November's onset, the weather shows a temperature decrease, transitioning from a comfortable 65.1°F (18.4°C) in October to a cool 54°F (12.2°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Deerfield, New Jersey, with temperature in the range of an average low of 34.5°F (1.4°C) and an average high of 45.3°F (7.4°C). The arrival of December correlates with a minor temperature reduction, down from November's cool 54°F (12.2°C) to a chilly 45.3°F (7.4°C). Weather in December »Updated: Feb 13, 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
The month of January, characterized by an average high of 39°F (3.9°C) and a low of 27.7°F (-2.4°C), is recognized as the coldest in Deerfield, New Jersey.
Throughout the year, in Deerfield, there are 105.4 rainfall days, and 8.03" (204mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
January is the month with the most snowfall. Snow falls for 3.4 days and accumulates 0.43" (11mm) of snow.
In Deerfield, during the entire year, snow falls for 10.9 days and aggregates up to 1.38" (35mm) of snow.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
The month with the least sunshine in Deerfield is February, with an average of 5h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Deerfield, New Jersey, 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.
April is the least humid month, with an average relative humidity of 72%.
In Deerfield, New Jersey, snow does not fall in April through October.
The months with the highest humidity are May and June, with an average relative humidity of 79%.
May through August, with an average maximum UV index of 6, are months with the highest UV index in Deerfield.
June has the longest days of the year, with an average of 14h and 54min of daylight.
Temperature records in Deerfield, New Jersey, mark July as the warmest month, with highs averaging 84.2°F (29°C) and lows at 69.3°F (20.7°C).
July has the most sunshine of the year in Deerfield, New Jersey, with an average of 10.8h of sunshine.
The month with the most rainfall in Deerfield, New Jersey, is August, when the rain falls for 11.2 days and typically aggregates up to 0.94" (24mm) of precipitation.
The month with the least rainfall is September, when the rain falls for 8.7 days and typically collects 0.35" (9mm) of precipitation.
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Deerfield, 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 (39°F).
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure
Deerfield, NJ
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Deerfield, NJ
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.2mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity
Deerfield, NJ
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Deerfield, NJ
- Average rainfall in January:
0.39" - Average rainfall in February:
0.63" - Average rainfall in March:
0.67" - Average rainfall in April:
0.59" - Average rainfall in May:
0.71" - Average rainfall in June:
0.75"
- Average rainfall in July:
0.83" - Average rainfall in August:
0.94" - Average rainfall in September:
0.35" - Average rainfall in October:
0.63" - Average rainfall in November:
0.67" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is August (0.94").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days
Deerfield, NJ
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
10.8 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
11.2 days - Average rainfall days in September:
8.7 days - Average rainfall days in October:
7.7 days - Average rainfall days in November:
5.1 days - Average rainfall days in December:
7.8 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (5.1 days).
Average snowfall
Deerfield, NJ
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Deerfield, NJ
- Average snowfall days in January:
3.4 days - Average snowfall days in February:
3.1 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 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:
0.4 days - Average snowfall days in December:
1.4 days
The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Deerfield, NJ
- Average daylight in January:
9h and 48min - 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 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 42min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Deerfield, NJ
- Average sunshine days in January:
21.9 days - Average sunshine days in February:
19.3 days - Average sunshine days in March:
18.2 days - Average sunshine days in April:
18.5 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
16.6 days
- Average sunshine days in July:
14.1 days - Average sunshine days in August:
16.2 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
21.1 days - Average sunshine days in November:
23.1 days - Average sunshine days in December:
21.3 days
The month with the most sunshine days is November (23.1 days).
The month with the least sunshine days is July (14.1 days).
Average UV index
Deerfield, NJ
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Deerfield, NJ
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility
Deerfield, NJ
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
