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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is an icy winter month in Sewaren, New Jersey, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 36.9°F (2.7°C). January, characterized by an average high temperature of 36.9°F (2.7°C) and a low temperature of 25.9°F (-3.4°C), is generally the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Sewaren, is another cold month, with an average temperature ranging between max 39.7°F (4.3°C) and min 27.9°F (-2.3°C). As February unfolds, the average high-temperature reaches a still wintry 39.7°F (4.3°C), hinting at a slight fluctuation from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Sewaren, New Jersey, with an average temperature fluctuating between 46.9°F (8.3°C) and 34.7°F (1.5°C). A slight uplift in the average high-temperature marks March, adjusting from February's wintry 39.7°F (4.3°C) to a chilly 46.9°F (8.3°C). Weather in March »
Weather in April
April in Sewaren, New Jersey, is a refreshing spring month, with an average temperature fluctuating between 44.6°F (7°C) and 58.1°F (14.5°C). Sewaren's transition into April is marked by a rise in the average high-temperature, advancing from a frosty 46.9°F (8.3°C) in March to a refreshing 58.1°F (14.5°C). Weather in April »
Weather in May
May, the last month of the spring in Sewaren, is a refreshing month, with an average temperature fluctuating between 54.1°F (12.3°C) and 67.8°F (19.9°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a mild 58.1°F (14.5°C) to a comfortable 67.8°F (19.9°C). Weather in May »
Weather in June
June, the first month of the summer in Sewaren, is a warm month, with an average temperature fluctuating between 76.6°F (24.8°C) and 62.8°F (17.1°C). The arrival of June witnesses a small shift in the average high-temperature, moving from an enjoyable 67.8°F (19.9°C) in May to a warm 76.6°F (24.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Sewaren, New Jersey, with an average temperature fluctuating between 82.8°F (28.2°C) and 69.4°F (20.8°C). Temperature readings reach their annual highs in July, averaging 82.8°F (28.2°C) and a minimum average of 69.4°F (20.8°C). The heat index for July is estimated at a hot 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Sewaren, is another warm month, with an average temperature ranging between min 68.5°F (20.3°C) and max 81.3°F (27.4°C). August's weather displays an average high-temperature of a still warm 81.3°F (27.4°C), slightly varied from July's 82.8°F (28.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Sewaren, is also a moderately hot month, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 61.9°F (16.6°C). With the arrival of September, Sewaren experiences a modest decline in average high-temperatures, transitioning from 81.3°F (27.4°C) in August to a still warm 75°F (23.9°C). Weather in September »
Weather in October
October, like September, in Sewaren, New Jersey, is another enjoyable autumn month, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 63.5°F (17.5°C). Sewaren in October undergoes a mild reduction in the average high-temperature, shifting from September's moderately hot 75°F (23.9°C) to a refreshing 63.5°F (17.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Sewaren, is another cool month, with an average temperature varying between 40.3°F (4.6°C) and 52°F (11.1°C). A shift in the average high-temperature occurs in November, reducing from a refreshing 63.5°F (17.5°C) in October to a cool 52°F (11.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Sewaren, New Jersey, with an average temperature varying between 43.3°F (6.3°C) and 33.4°F (0.8°C). December signifies a gentle decline in Sewaren's average high-temperature, easing from a fresh 52°F (11.1°C) in November to a frosty 43.3°F (6.3°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
What part of the year is the coldest in Sewaren?
January is the coldest month in Sewaren, with the temperature often reaching an average high of 36.9°F (2.7°C) and an average low of 25.9°F (-3.4°C).
How many days does it rain in Sewaren?
Throughout the year, in Sewaren, New Jersey, there are 157.5 rainfall days, and 31.42" (798mm) of precipitation is accumulated.
When does it snow in Sewaren?
January through April, October through December are months with snowfall in Sewaren.
How much does it snow in Sewaren?
Throughout the year, there are 19.5 snowfall days, and 8.35" (212mm) of snow is accumulated.
What is the month with the lowest UV index in Sewaren?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What are the most humid months in Sewaren?
The months with the highest humidity are February and May, with an average relative humidity of 77%.
When is the ocean coldest in Sewaren?
The month with the coldest seawater in Sewaren, New Jersey, is February, with an average ocean temperature of 39.7°F (4.3°C).
What is the month with the least sunshine in Sewaren?
With an average of 4.7h of sunshine, February has the least sunshine of the year in Sewaren.
What is the least humid month in Sewaren?
The months with the lowest humidity in Sewaren, New Jersey, are March, April, August and November, with an average relative humidity of 73%.
When does it snow the most in Sewaren?
March is the month with the most snowfall in Sewaren, New Jersey. Snow falls for 3.7 days and accumulates 3.39" (86mm) of snow.
When is Daylight Saving Time (DST) in Sewaren?
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.
When it does not snow in Sewaren?
May through September are months without snowfall in Sewaren, New Jersey.
When are the longest days in Sewaren?
June has the longest days of the year in Sewaren, New Jersey, with an average of 15h and 0min of daylight.
What are the months with the highest UV index in Sewaren?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Sewaren.
What is the hottest time of year in Sewaren?
With average high and low temperatures of 82.8°F (28.2°C) and 69.4°F (20.8°C) respectively, July is Sewaren's warmest month.
What is the rainiest month in Sewaren?
The wettest months in Sewaren are July and December, with an average 3.31" (84mm) of rainfall.
What month has the most sunshine in Sewaren?
The month with the most sunshine in Sewaren, New Jersey, is July, with an average of 10.6h of sunshine.
What is the month with the warmest ocean in Sewaren?
With an average ocean temperature of 74.1°F (23.4°C), August is the month with the warmest seawater.
What is the driest month in Sewaren?
The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 1.81" (46mm) of precipitation.
What is the month with the shortest days in Sewaren?
The month with the shortest days in Sewaren, New Jersey, is December, with an average of 9h and 18min of daylight.
Average temperature
Sewaren, NJ
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (36.9°F).
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure
Sewaren, 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
Sewaren, NJ
- Average wind speed in January:
10.2mph - Average wind speed in February:
9.9mph - Average wind speed in March:
10.1mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.8mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.7mph - Average wind speed in November:
9.2mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity
Sewaren, NJ
The months with the highest relative humidity are February and May (77%).
The months with the lowest relative humidity are March, April, August and November (73%).
Average rainfall
Sewaren, NJ
- Average rainfall in January:
2.01" - Average rainfall in February:
2.24" - Average rainfall in March:
2.76" - Average rainfall in April:
2.36" - Average rainfall in May:
2.99" - Average rainfall in June:
2.48"
- Average rainfall in July:
3.31" - Average rainfall in August:
2.91" - Average rainfall in September:
1.81" - Average rainfall in October:
2.83" - Average rainfall in November:
2.4" - Average rainfall in December:
3.31"
The wettest months (with the highest rainfall) are July and December (3.31").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days
Sewaren, NJ
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
15.4 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
16.2 days - Average rainfall days in August:
15.4 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (9.3 days).
Average snowfall
Sewaren, NJ
The month with the highest snowfall is March (3.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Sewaren, NJ
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
5.4 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
3.4 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature
Sewaren, NJ
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight / Average sunshine
Sewaren, NJ
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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 1min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Sewaren, NJ
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13 days - Average sunshine days in May:
13.9 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
18.2 days - Average sunshine days in December:
15.8 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (12.2 days).
Average UV index
Sewaren, 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
Sewaren, NJ
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Sewaren, 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).
Sewaren, New Jersey, USA
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