Monthly weather forecast and climate
Roselle, NJ

January, the same as December, is a wintry winter month in Roselle, New Jersey, with average temperature fluctuating between 24.6°F (-4.1°C) and 36°F (2.2°C). The coldest month is January, with an average high-temperature of 36°F (2.2°C) and an average low-temperature of 24.6°F (-4.1°C). Weather in January »

February, the last month of the winter, in Roselle, is also a wintry month, with average temperature ranging between min 26.2°F (-3.2°C) and max 39.2°F (4°C). In Roselle, the average high-temperature is almost the same as in January - a still wintry 39.2°F (4°C). Weather in February »

The first month of the spring, March, is a chilly month in Roselle, New Jersey, with average temperature fluctuating between 46.9°F (8.3°C) and 33.6°F (0.9°C). In Roselle, New Jersey, the average high-temperature slightly increases, from a cold 39.2°F (4°C) in February, to a frosty 46.9°F (8.3°C). Weather in March »

April in Roselle, New Jersey, is a moderate spring month, with average temperature fluctuating between 43.5°F (6.4°C) and 58.3°F (14.6°C). In April, the average high-temperature increases, from a frosty 46.9°F (8.3°C) in March, to a moderate 58.3°F (14.6°C). Weather in April »

May, the last month of the spring, in Roselle, is a pleasant month, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 53.1°F (11.7°C). In Roselle, the average high-temperature increases, from a moderate 58.3°F (14.6°C) in April, to an agreeable 68.5°F (20.3°C). Weather in May »

The first month of the summer, June, is a warm month in Roselle, New Jersey, with average temperature ranging between max 77°F (25°C) and min 61.7°F (16.5°C). In June, the average high-temperature marginally rises, from an agreeable 68.5°F (20.3°C) in May, to a moderately hot 77°F (25°C). Weather in June »

July, like June, in Roselle, New Jersey, is another warm summer month, with average temperature fluctuating between 68.2°F (20.1°C) and 83.5°F (28.6°C). July is the warmest month, with an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 68.2°F (20.1°C). In July, the average heat index is calculated to a hot 90.3°F (32.4°C). Weather in July »

August, the last month of the summer, in Roselle, is another warm month, with average temperature fluctuating between 81.9°F (27.7°C) and 67.3°F (19.6°C). In Roselle, the average high-temperature is almost the same as in July - a still moderately hot 81.9°F (27.7°C). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Roselle, New Jersey, with average temperature fluctuating between 75.2°F (24°C) and 60.1°F (15.6°C). In Roselle, the average high-temperature marginally drops, from a moderately hot 81.9°F (27.7°C) in August, to a still warm 75.2°F (24°C). Weather in September »

October, the same as September, is another comfortable autumn month in Roselle, New Jersey, with average temperature ranging between min 50.4°F (10.2°C) and max 63.1°F (17.3°C). In Roselle, the average high-temperature decreases, from a moderately hot 75.2°F (24°C) in September, to an enjoyable 63.1°F (17.3°C). Weather in October »

The last month of the autumn, November, is also a fresh month in Roselle, New Jersey, with temperature in the range of an average low of 39.2°F (4°C) and an average high of 50.9°F (10.5°C). In Roselle, the average high-temperature drops, from an enjoyable 63.1°F (17.3°C) in October, to a cool 50.9°F (10.5°C). Weather in November »

The first month of the winter, December, is still a cold month in Roselle, New Jersey, with average temperature varying between 32.4°F (0.2°C) and 41.9°F (5.5°C). In Roselle, the average high-temperature in December drops, from a fresh 50.9°F (10.5°C) in November, to a wintry 41.9°F (5.5°C). Weather in December »

What is the coldest month in Roselle?

January is the coldest month, with an average high-temperature of 36°F (2.2°C) and an average low-temperature of 24.6°F (-4.1°C).

How much does it rain in Roselle?

In Roselle, during the entire year, the rain falls for 117.5 days and collects up to 9.17" (233mm) of precipitation.

When does it snow in Roselle?

January through April, November and December are months with snowfall.

How much does it snow in Roselle?

Throughout the year, in Roselle, New Jersey, there are 16.7 snowfall days, and 1.97" (50mm) of snow is accumulated.

When is the lowest UV index in Roselle?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What are the most humid months in Roselle?

Months with the highest humidity in Roselle are February and December, with an average relative humidity of 77%.

What is the month with the least sunshine in Roselle?

February has the least sunshine of the year in Roselle, with an average of 4.7h of sunshine.

What is the snowiest month in Roselle?

March is the month with the most snowfall in Roselle, New Jersey. Snow falls for 3.7 days and accumulates 0.75" (19mm) of snow.

What is the least humid month in Roselle?

Months with the lowest humidity are April and August, with an average relative humidity of 72%.

When it does not snow in Roselle?

In Roselle snow does not fall in May through October.

When are the longest days in Roselle?

The month with the longest days in Roselle is June, with an average of 15.1h of daylight.

What is the month with the highest UV index in Roselle?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in Roselle?

July is the warmest month in Roselle, New Jersey, with an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 68.2°F (20.1°C).

What is the wettest month in Roselle?

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.

What month has the most sunshine in Roselle?

The month with the most sunshine in Roselle, New Jersey, is July, with an average of 10.6h of sunshine.

What is the driest month in Roselle?

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.

What is the month with the shortest days in Roselle?

December has the shortest days of the year in Roselle, with an average of 9.3h of daylight.
Average temperature - Roselle, NJ
Average pressure - Roselle, NJ

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed - Roselle, NJ

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
Average rainfall - Roselle, NJ

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

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
Average snowfall days - Roselle, NJ

The month with the highest number of snowfall days is February (5.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Roselle, NJ

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average sunshine days - Roselle, NJ

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
Average visibility - Roselle, NJ

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).