Climate and monthly weather forecastRosenhayn, NJ
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Rosenhayn, New Jersey, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 39°F (3.9°C). January, characterized by an average high temperature of 39°F (3.9°C) and a low temperature of 27.7°F (-2.4°C), is generally the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Rosenhayn, New Jersey, with temperature in the range of an average low of 29.7°F (-1.3°C) and an average high of 42.4°F (5.8°C). With February's arrival, Rosenhayn notes an average high-temperature of a still cold 42.4°F (5.8°C), closely following the trend of the preceding month. Weather in February »Weather in March
March, the first month of the spring in Rosenhayn, is a frosty month, with an average temperature varying between 49.6°F (9.8°C) and 36.5°F (2.5°C). The shift from February to March introduces a subtle increase in the average high-temperature, moving from a cold 42.4°F (5.8°C) to a frosty 49.6°F (9.8°C). Weather in March »Weather in April
April in Rosenhayn, New Jersey, is an enjoyable spring month, with an average temperature ranging between min 46°F (7.8°C) and max 61.2°F (16.2°C). Rosenhayn's weather shows a temperature rise with the arrival of April, moving from a frosty 49.6°F (9.8°C) in March to a comfortable 61.2°F (16.2°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Rosenhayn, New Jersey, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 70.9°F (21.6°C). With the onset of May, Rosenhayn's average high-temperature experiences a rise, moving from April's enjoyable 61.2°F (16.2°C) to an agreeable 70.9°F (21.6°C). Weather in May »Weather in June
June, the first month of the summer in Rosenhayn, is a warm month, with an average temperature varying between 63.7°F (17.6°C) and 78.8°F (26°C). Rosenhayn observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's pleasant 70.9°F (21.6°C) to a moderately hot 78.8°F (26°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Rosenhayn, New Jersey, with an average temperature ranging between min 69.3°F (20.7°C) and max 84.2°F (29°C). The warmest period is July, when temperatures fluctuate between an average high of 84.2°F (29°C) and a low of 69.3°F (20.7°C). For July, the heat index is evaluated at a hot 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Rosenhayn, is another warm month, with an average temperature varying between 82°F (27.8°C) and 67.8°F (19.9°C). The onset of August brings an average high-temperature of a still warm 82°F (27.8°C), nearly matching the July temperature. Weather in August »Weather in September
September, the first month of the autumn in Rosenhayn, is also a moderately hot month, with an average temperature fluctuating between 76.1°F (24.5°C) and 61.9°F (16.6°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's 82°F (27.8°C) to a still moderately hot 76.1°F (24.5°C). Weather in September »Weather in October
October, like September, in Rosenhayn, New Jersey, is another enjoyable autumn month, with an average temperature ranging between min 52.5°F (11.4°C) and max 65.1°F (18.4°C). As September transitions to October, the average high-temperature falls from a moderately hot 76.1°F (24.5°C) to a refreshing 65.1°F (18.4°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Rosenhayn, New Jersey, with an average temperature fluctuating between 41°F (5°C) and 54°F (12.2°C). With November's arrival, Rosenhayn's weather changes as the average high-temperature falls from a comfortable 65.1°F (18.4°C) in October to a cool 54°F (12.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Rosenhayn, New Jersey, with an average temperature varying between 34.5°F (1.4°C) and 45.3°F (7.4°C). December sees a slight reduction in average high-temperature, with a shift from a fresh 54°F (12.2°C) in November to a frosty 45.3°F (7.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rosenhayn, NJ
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (39°F).
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure
Rosenhayn, 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:
30.02"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:
30.1"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
Rosenhayn, NJ
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.2mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity
Rosenhayn, NJ
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Rosenhayn, NJ
- Average rainfall in January:
0.39" - Average rainfall in February:
0.63" - Average rainfall in March:
0.67" - Average rainfall in April:
0.59" - Average rainfall in May:
0.71" - Average rainfall in June:
0.75"
- Average rainfall in July:
0.83" - Average rainfall in August:
0.94" - Average rainfall in September:
0.35" - Average rainfall in October:
0.63" - Average rainfall in November:
0.67" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is August (0.94").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days
Rosenhayn, NJ
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
10.8 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
11.2 days - Average rainfall days in September:
8.7 days - Average rainfall days in October:
7.7 days - Average rainfall days in November:
5.1 days - Average rainfall days in December:
7.8 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (5.1 days).
Average snowfall
Rosenhayn, NJ
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Rosenhayn, NJ
- Average snowfall days in January:
3.4 days - Average snowfall days in February:
3.1 days - Average snowfall days in March:
2.4 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:
1.4 days
The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Rosenhayn, NJ
- Average daylight in January:
9h and 48min - 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 36min - 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:
5h and 0min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 42min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Rosenhayn, NJ
- Average sunshine days in January:
21.9 days - Average sunshine days in February:
19.3 days - Average sunshine days in March:
18.2 days - Average sunshine days in April:
18.5 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
16.6 days
- Average sunshine days in July:
14.1 days - Average sunshine days in August:
16.2 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
21.1 days - Average sunshine days in November:
23.1 days - Average sunshine days in December:
21.3 days
The month with the most sunshine days is November (23.1 days).
The month with the least sunshine days is July (14.1 days).
Average UV index
Rosenhayn, 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 and December (UV index 2).
Average cloud cover
Rosenhayn, NJ
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility
Rosenhayn, 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).





