Climate and monthly weather forecastDeans, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in Deans, New Jersey, is another cold winter month, with an average temperature varying between 36.9°F (2.7°C) and 25.2°F (-3.8°C). In Deans, New Jersey, January is the coldest month, with temperatures averaging a high of 36.9°F (2.7°C) and a low of 25.2°F (-3.8°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Deans, New Jersey, with an average temperature fluctuating between 39.9°F (4.4°C) and 26.4°F (-3.1°C). At the start of February, Deans's average high-temperature reaches a still wintry 39.9°F (4.4°C), subtly different from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Deans, New Jersey, with an average temperature fluctuating between 34.2°F (1.2°C) and 47.8°F (8.8°C). In March, the average high-temperature marginally rises from an icy 39.9°F (4.4°C) in February to a chilly 47.8°F (8.8°C). Weather in March »Weather in April
April is a refreshing spring month in Deans, New Jersey, with an average temperature fluctuating between 59.5°F (15.3°C) and 43.5°F (6.4°C). April shows a rise in the average high-temperature, moving from March's frosty 47.8°F (8.8°C) to a mild 59.5°F (15.3°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Deans, New Jersey, with an average temperature fluctuating between 53.2°F (11.8°C) and 69.6°F (20.9°C). Deans's weather in May presents a rise in the average high-temperature, moving from a moderate 59.5°F (15.3°C) in April to a pleasant 69.6°F (20.9°C). Weather in May »Weather in June
June, the first month of the summer in Deans, is a warm month, with an average temperature ranging between min 61.5°F (16.4°C) and max 78.3°F (25.7°C). June's arrival coincides with a marginal rise in the average high-temperature, moving from May's pleasant 69.6°F (20.9°C) to a moderately hot 78.3°F (25.7°C). Weather in June »Weather in July
July, like June, in Deans, New Jersey, is a moderately hot summer month, with temperature in the range of an average low of 68°F (20°C) and an average high of 84.6°F (29.2°C). July is the month when Deans's temperatures reach their peak, with averages of 84.6°F (29.2°C) and lows of 68°F (20°C). July's average heat index is calculated to be a hot 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Deans, is another warm month, with an average temperature varying between 82.6°F (28.1°C) and 67.1°F (19.5°C). With the onset of August, Deans's average high-temperature clocks in at a still moderately hot 82.6°F (28.1°C), showing a minor fluctuation from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Deans, is still a warm month, with an average temperature fluctuating between 59.9°F (15.5°C) and 75.9°F (24.4°C). In September, the average high-temperature marginally drops from a warm 82.6°F (28.1°C) in August to a still moderately hot 75.9°F (24.4°C). Weather in September »Weather in October
October, like September, in Deans, New Jersey, is another refreshing autumn month, with an average temperature varying between 63.7°F (17.6°C) and 49.8°F (9.9°C). October brings a decrease in the average high-temperature, shifting from a moderately hot 75.9°F (24.4°C) in September to an enjoyable 63.7°F (17.6°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Deans, New Jersey, with an average temperature fluctuating between 38.5°F (3.6°C) and 52.2°F (11.2°C). November brings a decrease in the average high-temperature, falling from October's enjoyable 63.7°F (17.6°C) to a fresh 52.2°F (11.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Deans, New Jersey, with an average temperature ranging between max 43.2°F (6.2°C) and min 32.2°F (0.1°C). With the commencement of December, Deans records a moderate temperature decline, with the average high easing from November's fresh 52.2°F (11.2°C) to a chilly 43.2°F (6.2°C). Weather in December »Updated: Jul 16, 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 coldest period tends to be January, when average temperatures fluctuate between a high of 36.9°F (2.7°C) and a low of 25.2°F (-3.8°C).
In Deans, during the entire year, the rain falls for 155.3 days and collects up to 29.09" (739mm) of precipitation.
Months with snowfall are January through May, October through December.
In Deans, during the entire year, snow falls for 20.7 days and aggregates up to 9.33" (237mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
The months with the highest humidity are February, May, October and December, with an average relative humidity of 77%.
February has the least sunshine of the year, with an average of 4.6h of sunshine.
The month with the most snowfall is March, when snow falls for 4.2 days and typically aggregates up to 3.19" (81mm) 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 Deans, snow does not fall in June through September.
With an average of 15h and 0min of daylight, June has the longest days of the year.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
July brings the highest temperatures, with an average high of 84.6°F (29.2°C) and an average low of 68°F (20°C).
The month with the most sunshine in Deans, New Jersey, is July, with an average of 10.4h of sunshine.
The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.46" (37mm) of precipitation.
December is the month with the most rainfall. Rain falls for 11.3 days and accumulates 3.11" (79mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Deans, NJ
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.9°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure
Deans, NJ
- Average pressure in January:
30.07"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:
30.05"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
Deans, NJ
- Average wind speed in January:
8.9mph - Average wind speed in February:
8.9mph - Average wind speed in March:
9.1mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.4mph - Average wind speed in October:
7.5mph - Average wind speed in November:
8mph - Average wind speed in December:
8.3mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity
Deans, NJ
The months with the highest relative humidity are February, May, October and December (77%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall
Deans, NJ
- Average rainfall in January:
1.89" - Average rainfall in February:
2.2" - Average rainfall in March:
2.8" - Average rainfall in April:
2.17" - Average rainfall in May:
2.83" - Average rainfall in June:
2.32"
- Average rainfall in July:
2.99" - Average rainfall in August:
2.56" - Average rainfall in September:
1.46" - Average rainfall in October:
2.6" - Average rainfall in November:
2.17" - Average rainfall in December:
3.11"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days
Deans, NJ
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
15.6 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
10 days - Average rainfall days in December:
11.3 days
The months with the highest number of rainy days are May and June (16.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall
Deans, NJ
- Average snowfall in January:
1.69" - Average snowfall in February:
2.17" - Average snowfall in March:
3.19" - Average snowfall in April:
0.2" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Deans, NJ
- Average snowfall days in January:
5.7 days - Average snowfall days in February:
6 days - Average snowfall days in March:
4.2 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
3.7 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Deans, NJ
- Average daylight in January:
9h and 42min - 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:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 30min
- 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 54min
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
Deans, NJ
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (12 days).
Average UV index
Deans, 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
Deans, NJ
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility
Deans, 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).
