Climate and monthly weather forecastRoseland, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in Roseland, New Jersey, is a wintry winter month, with temperature in the range of an average low of 23.7°F (-4.6°C) and an average high of 35.2°F (1.8°C). January is the coldest month, with the temperature often reaching an average high of 35.2°F (1.8°C) and an average low of 23.7°F (-4.6°C). Weather in January »Weather in February
February, the last month of the winter in Roseland, is also a wintry month, with temperature in the range of an average low of 25.5°F (-3.6°C) and an average high of 38.7°F (3.7°C). With February's advent, Roseland sees an average high-temperature of a still wintry 38.7°F (3.7°C), subtly shifted from January's 35.2°F (1.8°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Roseland, New Jersey, with temperature in the range of an average high of 46.2°F (7.9°C) and an average low of 32.7°F (0.4°C). March comes with a subtle rise, with the average high-temperature adjusting from an icy 38.7°F (3.7°C) in February to a chilly 46.2°F (7.9°C). Weather in March »Weather in April
April in Roseland, New Jersey, is a moderate spring month, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 42.8°F (6°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a chilly 46.2°F (7.9°C) to a mild 58.1°F (14.5°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Roseland, New Jersey, with an average temperature varying between 69.1°F (20.6°C) and 52.7°F (11.5°C). With the beginning of May, Roseland's average high-temperature sees an increase, transitioning from a refreshing 58.1°F (14.5°C) in April to a pleasant 69.1°F (20.6°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Roseland, New Jersey, with an average temperature ranging between min 60.6°F (15.9°C) and max 77.4°F (25.2°C). In Roseland, the average high-temperature in June slightly increases from a pleasant 69.1°F (20.6°C) in May to a warm 77.4°F (25.2°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Roseland, New Jersey, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 67.6°F (19.8°C). Roseland, New Jersey, witnesses the warmest weather in July, with temperatures averaging a high of 83.7°F (28.7°C) and a low of 67.6°F (19.8°C). For July, the heat index is computed to be a hot 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Roseland, is also a moderately hot month, with an average temperature varying between 81.9°F (27.7°C) and 66.7°F (19.3°C). The start of August sees the average high-temperature at a still warm 81.9°F (27.7°C), showing little difference from July's 83.7°F (28.7°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Roseland, New Jersey, with an average temperature fluctuating between 59.4°F (15.2°C) and 74.7°F (23.7°C). September witnesses a gentle descent in average high-temperature, descending from August's 81.9°F (27.7°C) to a still warm 74.7°F (23.7°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Roseland, New Jersey, with an average temperature ranging between min 49.1°F (9.5°C) and max 62.4°F (16.9°C). A moderate decline in the average high-temperature is seen during October, decreasing from a warm 74.7°F (23.7°C) in September to a comfortable 62.4°F (16.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Roseland, New Jersey, with an average temperature fluctuating between 37.9°F (3.3°C) and 50.7°F (10.4°C). Roseland's November weather features a mild decline in high-temperatures, reducing from an enjoyable 62.4°F (16.9°C) in October to a cool 50.7°F (10.4°C). Weather in November »Weather in December
December, the first month of the winter in Roseland, is still a cold month, with an average temperature ranging between min 31.1°F (-0.5°C) and max 41.7°F (5.4°C). The onset of December introduces a moderate change in Roseland's weather, with average high-temperatures falling from November's cool 50.7°F (10.4°C) to a wintry 41.7°F (5.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Roseland, NJ
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure
Roseland, 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
Roseland, NJ
- Average wind speed in January:
8.9mph - Average wind speed in February:
8.7mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.4mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8mph - Average wind speed in December:
8.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Roseland, NJ
The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall
Roseland, NJ
- Average rainfall in January:
0.67" - Average rainfall in February:
0.71" - Average rainfall in March:
0.91" - Average rainfall in April:
0.94" - Average rainfall in May:
1.1" - Average rainfall in June:
1.22"
- Average rainfall in July:
1.61" - Average rainfall in August:
1.38" - Average rainfall in September:
0.75" - Average rainfall in October:
1.18" - Average rainfall in November:
0.94" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days
Roseland, NJ
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
6.8 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (6.1 days).
Average snowfall
Roseland, NJ
The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Roseland, NJ
- Average snowfall days in January:
4.5 days - Average snowfall days in February:
5.5 days - Average snowfall days in March:
4.3 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:
1 days - Average snowfall days in December:
3.3 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Roseland, NJ
- Average daylight in January:
9h and 36min - 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 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - 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 6min).
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 42min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 48min
- 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 42min - 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
Roseland, NJ
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
18.2 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
15.1 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (12.5 days).
Average UV index
Roseland, 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
Roseland, NJ
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Roseland, 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).





