Climate and monthly weather forecastRoselle, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in Roselle, New Jersey, is a wintry winter month, with an average temperature fluctuating between 24.6°F (-4.1°C) and 36°F (2.2°C). Roselle experiences its lowest average temperatures in January, reaching a peak of 36°F (2.2°C) and a minimum of 24.6°F (-4.1°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Roselle, New Jersey, with an average temperature ranging between min 26.2°F (-3.2°C) and max 39.2°F (4°C). During February, Roselle records an average high-temperature of a still icy 39.2°F (4°C), marking a slight divergence from January's 36°F (2.2°C). Weather in February »Weather in March
March, the first month of the spring in Roselle, is a frosty month, with an average temperature ranging between min 33.6°F (0.9°C) and max 46.9°F (8.3°C). Roselle in March observes a minor temperature shift, with average high-temperatures adjusting from an icy 39.2°F (4°C) in February to a frosty 46.9°F (8.3°C). Weather in March »Weather in April
April is a moderate spring month in Roselle, New Jersey, with an average temperature fluctuating between 58.3°F (14.6°C) and 43.5°F (6.4°C). In April, the average high-temperature increases from a chilly 46.9°F (8.3°C) in March to a moderate 58.3°F (14.6°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Roselle, New Jersey, with an average temperature ranging between max 68.5°F (20.3°C) and min 53.1°F (11.7°C). As May arrives, Roselle's weather shows an increase in high-temperatures, moving from April's moderate 58.3°F (14.6°C) to a pleasant 68.5°F (20.3°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Roselle, New Jersey, with an average temperature fluctuating between 77°F (25°C) and 61.7°F (16.5°C). The start of June brings a subtle rise in the average high-temperature, moving from a pleasant 68.5°F (20.3°C) in May to a warm 77°F (25°C). Weather in June »Weather in July
July, like June, in Roselle, New Jersey, is another warm summer month, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 68.2°F (20.1°C). July, having an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 68.2°F (20.1°C), is the warmest month. July's mean heat index is calculated to be a tropical 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Roselle, is also a moderately hot month, with an average temperature fluctuating between 67.3°F (19.6°C) and 81.9°F (27.7°C). With August's arrival, Roselle notes an average high-temperature of a still warm 81.9°F (27.7°C), closely following the trend of the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Roselle, is still a warm month, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 60.1°F (15.6°C). September's onset brings a negligible change in high-temperatures, falling from a warm 81.9°F (27.7°C) in August to a still moderately hot 75.2°F (24°C). Weather in September »Weather in October
October, like September, in Roselle, New Jersey, is another comfortable autumn month, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 50.4°F (10.2°C). As October arrives, Roselle's weather displays a decrease in high-temperatures, transitioning from September's warm 75.2°F (24°C) to a refreshing 63.1°F (17.3°C). Weather in October »Weather in November
November, the last month of the autumn in Roselle, is another cool month, with an average temperature varying between 39.2°F (4°C) and 50.9°F (10.5°C). November weather is marked by a drop in the average high-temperature, falling from a refreshing 63.1°F (17.3°C) in October to a cool 50.9°F (10.5°C). Weather in November »Weather in December
December, the first month of the winter in Roselle, is also a wintry month, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 32.4°F (0.2°C). December comes with a decrease in the average high-temperature, falling from a cool 50.9°F (10.5°C) in November to a cold 41.9°F (5.5°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
Roselle experiences its lowest temperatures in January, with an average peak of 36°F (2.2°C) and a low of 24.6°F (-4.1°C).
In Roselle, New Jersey, during the entire year, the rain falls for 117.5 days and collects up to 9.17" (233mm) of precipitation.
Months with snowfall in Roselle, New Jersey, are January through April, November and December.
In Roselle, during the entire year, snow falls for 16.7 days and aggregates up to 1.97" (50mm) of snow.
The months with the lowest UV index in Roselle are January through March, November and December, with an average maximum UV index of 2.
The months with the highest humidity in Roselle, New Jersey, are February and December, with an average relative humidity of 77%.
The month with the least sunshine in Roselle, New Jersey, is February, with an average of 4.7h of sunshine.
The month with the most snowfall in Roselle, New Jersey, is March, when snow falls for 3.7 days and typically aggregates up to 0.75" (19mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Roselle, 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 and August, with an average relative humidity of 72%, are the least humid months in Roselle, New Jersey.
In Roselle, New Jersey, snow does not fall in May through October.
With an average of 15h and 0min of daylight, June has the longest days of the year.
The months with the highest UV index in Roselle are June through August, with an average maximum UV index of 6.
Roselle's temperature records reveal July as the warmest month, marked by average highs of 83.5°F (28.6°C) and lows of 68.2°F (20.1°C).
The month with the most rainfall is July, when the rain falls for 13.9 days and typically aggregates up to 1.22" (31mm) of precipitation.
With an average of 10.6h of sunshine, July has the most sunshine of the year.
The month with the least rainfall in Roselle is September, when the rain falls for 9.8 days and typically collects 0.43" (11mm) of precipitation.
The month with the shortest days in Roselle, New Jersey, is December, with an average of 9h and 18min of daylight.
Average temperature
Roselle, NJ
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36°F).
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure
Roselle, 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:
30.05"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
Roselle, NJ
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.1mph - Average wind speed in March:
9.2mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
6mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.6mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity
Roselle, NJ
The months with the highest relative humidity are February and December (77%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall
Roselle, NJ
- Average rainfall in January:
0.51" - Average rainfall in February:
0.55" - Average rainfall in March:
0.63" - Average rainfall in April:
0.67" - Average rainfall in May:
0.98" - Average rainfall in June:
0.79"
- Average rainfall in July:
1.22" - Average rainfall in August:
1.02" - Average rainfall in September:
0.43" - Average rainfall in October:
0.83" - Average rainfall in November:
0.71" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days
Roselle, NJ
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
10 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
13.1 days - Average rainfall days in September:
9.8 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
6.2 days - Average rainfall days in December:
7.4 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall
Roselle, NJ
The month with the highest snowfall is March (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Roselle, NJ
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
5.1 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Roselle, 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 30min - 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 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 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 54min
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
Roselle, NJ
- Average sunshine days in January:
22.1 days - Average sunshine days in February:
18 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
13.6 days - Average sunshine days in August:
14.1 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
21.9 days - Average sunshine days in December:
20.6 days
The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is June (13.5 days).
Average UV index
Roselle, 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
Roselle, NJ
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Roselle, 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).
