Climate and monthly weather forecastSewell, NJ
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Sewell, New Jersey, with an average temperature ranging between max 37.9°F (3.3°C) and min 26.1°F (-3.3°C). January is the coldest month, with the temperature often reaching an average high of 37.9°F (3.3°C) and an average low of 26.1°F (-3.3°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Sewell, New Jersey, with temperature in the range of an average high of 41.7°F (5.4°C) and an average low of 28.8°F (-1.8°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a still wintry 41.7°F (5.4°C) from January's 37.9°F (3.3°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Sewell, New Jersey, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 49.8°F (9.9°C). The transition from February to March brings a subtle temperature rise, with average high-temperatures increasing from a cold 41.7°F (5.4°C) to a chilly 49.8°F (9.9°C). Weather in March »Weather in April
April is an enjoyable spring month in Sewell, New Jersey, with an average temperature fluctuating between 61.7°F (16.5°C) and 45.5°F (7.5°C). April comes with an increase, with the average high-temperature moving from a chilly 49.8°F (9.9°C) in March to an enjoyable 61.7°F (16.5°C). Weather in April »Weather in May
May, the last month of the spring in Sewell, is a pleasant month, with an average temperature ranging between min 55°F (12.8°C) and max 72°F (22.2°C). The start of May is characterized by an increase in the average high-temperature, transitioning from an enjoyable 61.7°F (16.5°C) in April to a pleasant 72°F (22.2°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Sewell, New Jersey, with an average temperature fluctuating between 63.1°F (17.3°C) and 79.5°F (26.4°C). The embrace of June brings a minor uplift in the average high-temperature, shifting from an agreeable 72°F (22.2°C) in May to a moderately hot 79.5°F (26.4°C). Weather in June »Weather in July
July, like June, in Sewell, New Jersey, is a moderately hot summer month, with an average temperature fluctuating between 69.1°F (20.6°C) and 85.6°F (29.8°C). July is the month when Sewell's temperatures reach their peak, with averages of 85.6°F (29.8°C) and lows of 69.1°F (20.6°C). Throughout July, the heat index is calculated to be a sweltering 96.8°F (36°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Sewell, New Jersey, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 83.7°F (28.7°C). In August, Sewell experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 85.6°F (29.8°C) in July to a still moderately hot 83.7°F (28.7°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Sewell, New Jersey, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 76.5°F (24.7°C). Sewell experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from 83.7°F (28.7°C) in August to a still warm 76.5°F (24.7°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Sewell, New Jersey, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 64.9°F (18.3°C). The start of October signals a decrease in the average high-temperature, transitioning from a moderately hot 76.5°F (24.7°C) in September to a refreshing 64.9°F (18.3°C). Weather in October »Weather in November
November, the last month of the autumn in Sewell, is another cool month, with an average temperature fluctuating between 39.7°F (4.3°C) and 53.2°F (11.8°C). Sewell's weather in November involves a decrease in the average high-temperature, moving down from October's enjoyable 64.9°F (18.3°C) to a cool 53.2°F (11.8°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Sewell, New Jersey, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 44.1°F (6.7°C). The onset of December is marked by a decrease in temperature, transitioning from a fresh 53.2°F (11.8°C) in November to a chilly 44.1°F (6.7°C). Weather in December »Updated: Aug 24, 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, marked by an average high-temperature of 37.9°F (3.3°C) and a low-temperature of 26.1°F (-3.3°C), is the coldest month.
January is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.51" (13mm) of precipitation.
Throughout the year, there are 113.4 rainfall days, and 9.25" (235mm) of precipitation is accumulated.
January through April, November and December are months with snowfall.
In Sewell, during the entire year, snow falls for 10.9 days and aggregates up to 1.65" (42mm) of snow.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
February is the month with the most snowfall. Snow falls for 3.3 days and accumulates 0.59" (15mm) of snow.
February has the least sunshine of the year, with an average of 4.9h of sunshine.
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 least humid month is April, with an average relative humidity of 71%.
In Sewell, snow does not fall in May through October.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
June has the longest days of the year, with an average of 14h and 54min of daylight.
Sewell's warmest month, July, generally records average temperatures ranging from a high of 85.6°F (29.8°C) to a low of 69.1°F (20.6°C).
The month with the most sunshine is July, with an average of 10.8h of sunshine.
August is the month with the most rainfall. Rain falls for 12.5 days and accumulates 1.1" (28mm) of precipitation.
The months with the highest humidity are October and December, with an average relative humidity of 77%.
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Sewell, NJ
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure
Sewell, 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:
30.01"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:
30.09"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
Sewell, NJ
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.6mph - Average wind speed in December:
7.8mph
The windiest months (with the highest average wind speed) are March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Sewell, NJ
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Sewell, NJ
- Average rainfall in January:
0.51" - Average rainfall in February:
0.59" - Average rainfall in March:
0.71" - Average rainfall in April:
0.79" - Average rainfall in May:
0.83" - Average rainfall in June:
0.98"
- Average rainfall in July:
1.02" - Average rainfall in August:
1.1" - Average rainfall in September:
0.55" - Average rainfall in October:
0.59" - Average rainfall in November:
0.67" - Average rainfall in December:
0.91"
The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days
Sewell, NJ
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
12.2 days - Average rainfall days in June:
11.8 days
- Average rainfall days in July:
13.2 days - Average rainfall days in August:
12.5 days - Average rainfall days in September:
9.3 days - Average rainfall days in October:
7.9 days - Average rainfall days in November:
6.3 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is November (6.3 days).
Average snowfall
Sewell, NJ
The month with the highest snowfall is February (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Sewell, NJ
- Average snowfall days in January:
3.5 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1.8 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:
1.7 days
The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Sewell, 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:
14h and 54min
- 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 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:
4h and 54min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 36min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Sewell, NJ
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
19.2 days - Average sunshine days in March:
19.6 days - Average sunshine days in April:
17.4 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
14.7 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
18.8 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
22 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.7 days).
Average UV index
Sewell, 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, November and December (UV index 2).
Average cloud cover
Sewell, NJ
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Sewell, 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).
