Climate and monthly weather forecastNew Gretna, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in New Gretna, New Jersey, is a wintry winter month, with an average temperature fluctuating between 29.7°F (-1.3°C) and 39.7°F (4.3°C). January proves to be the coldest month, recording an average maximum temperature of 39.7°F (4.3°C) and a minimum temperature of 29.7°F (-1.3°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in New Gretna, New Jersey, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 41.7°F (5.4°C). New Gretna notes an average high-temperature of a still wintry 41.7°F (5.4°C) in February, displaying minor variation from January. Weather in February »Weather in March
March, the first month of the spring in New Gretna, is a frosty month, with an average temperature fluctuating between 47.5°F (8.6°C) and 37.4°F (3°C). In New Gretna, stepping into March brings a gentle temperature nudge, moving slightly up from February's wintry 41.7°F (5.4°C) to a frosty 47.5°F (8.6°C). Weather in March »Weather in April
April in New Gretna, New Jersey, is a refreshing spring month, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 46.6°F (8.1°C). With the transition into April, New Gretna experiences an increase in average high-temperatures, moving up from a frosty 47.5°F (8.6°C) in March to a moderate 56.8°F (13.8°C). Weather in April »Weather in May
May, the last month of the spring in New Gretna, is a comfortable month, with an average temperature varying between 55.9°F (13.3°C) and 65.8°F (18.8°C). The shift from April to May sees an increase in the average high-temperature, transitioning from a moderate 56.8°F (13.8°C) to a comfortable 65.8°F (18.8°C). Weather in May »Weather in June
June, the first month of the summer in New Gretna, is a moderately hot month, with an average temperature fluctuating between 64.4°F (18°C) and 75°F (23.9°C). New Gretna sees an increase in the average high-temperature with the arrival of June, moving from May's refreshing 65.8°F (18.8°C) to a moderately hot 75°F (23.9°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in New Gretna, New Jersey, with an average temperature ranging between min 71.1°F (21.7°C) and max 81.1°F (27.3°C). July tends to be the warmest month, with temperatures averaging a daily high of 81.1°F (27.3°C) and a low of 71.1°F (21.7°C). July's mean heat index is computed to be a hot 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in New Gretna, New Jersey, with an average temperature fluctuating between 80.2°F (26.8°C) and 70.3°F (21.3°C). Upon the onset of August, New Gretna witnesses an average high-temperature of a still moderately hot 80.2°F (26.8°C), showing a close resemblance to the prior month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in New Gretna, New Jersey, with an average temperature varying between 65.3°F (18.5°C) and 74.3°F (23.5°C). September is characterized by a slight reduction in average high-temperature, easing from a warm 80.2°F (26.8°C) in August to a still moderately hot 74.3°F (23.5°C). Weather in September »Weather in October
October, like September, in New Gretna, New Jersey, is another refreshing autumn month, with temperature in the range of an average high of 64.4°F (18°C) and an average low of 55°F (12.8°C). Onset of October comes with a temperature decline, the average high falling from a warm 74.3°F (23.5°C) in September to a refreshing 64.4°F (18°C). Weather in October »Weather in November
November, the last month of the autumn in New Gretna, is another cool month, with an average temperature fluctuating between 53.6°F (12°C) and 43.9°F (6.6°C). The start of November comes with a reduction in the average high-temperature, receding from an enjoyable 64.4°F (18°C) in October to a cool 53.6°F (12°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in New Gretna, New Jersey, with an average temperature ranging between min 37°F (2.8°C) and max 45.9°F (7.7°C). With December's onset, the weather reveals a slight temperature decrease, transitioning from a fresh 53.6°F (12°C) in November to a frosty 45.9°F (7.7°C). Weather in December »Updated: Aug 28, 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
With average temperatures fluctuating between a high of 39.7°F (4.3°C) and a low of 29.7°F (-1.3°C), January stands out as the coldest month.
January, March, April and November, with an average relative humidity of 74%, are the least humid months.
January and September are months with the least rain when the rain falls for 6.7 days and typically aggregates up to 0.67" (17mm) of rain.
In New Gretna, during the entire year, the rain falls for 113.3 days and collects up to 11.06" (281mm) of precipitation.
Months with snowfall in New Gretna, New Jersey, are January through March, November and December.
January is the month with the most snowfall in New Gretna. Snow falls for 3.7 days and accumulates 0.98" (25mm) of snow.
Throughout the year, there are 10.7 snowfall days, and 2.24" (57mm) of snow is accumulated.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in New Gretna.
With an average of 5h of sunshine, February has the least sunshine of the year.
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.
April through October are months without snowfall.
May and June, with an average relative humidity of 80%, are most humid months.
The month with the longest days is June, with an average of 14h and 54min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
July is the month when New Gretna sees the average highest temperatures, with a high of 81.1°F (27.3°C) and a low of 71.1°F (21.7°C).
July is the month with the most rainfall. Rain falls for 12.6 days and accumulates 1.18" (30mm) of precipitation.
The month with the most sunshine is July, with an average of 10.8h of sunshine.
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
New Gretna, NJ
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (39.7°F).
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure
New Gretna, NJ
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.06"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:
30.04"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 (29.94"Hg).
Average wind speed
New Gretna, NJ
- Average wind speed in January:
11.7mph - Average wind speed in February:
11.6mph - Average wind speed in March:
11.4mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.6mph
- Average wind speed in July:
8.1mph - Average wind speed in August:
7.9mph - Average wind speed in September:
9.1mph - Average wind speed in October:
10.7mph - Average wind speed in November:
11.1mph - Average wind speed in December:
11.1mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).
Average humidity
New Gretna, NJ
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall
New Gretna, NJ
- Average rainfall in January:
0.67" - Average rainfall in February:
0.83" - Average rainfall in March:
0.91" - Average rainfall in April:
0.94" - Average rainfall in May:
1.02" - Average rainfall in June:
0.83"
- Average rainfall in July:
1.18" - Average rainfall in August:
1.02" - Average rainfall in September:
0.67" - Average rainfall in October:
0.98" - Average rainfall in November:
0.87" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is July (1.18").
The driest months (with the least rainfall) are January and September (0.67").
Average rainfall days
New Gretna, NJ
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
11 days - Average rainfall days in May:
11.4 days - Average rainfall days in June:
9.8 days
- Average rainfall days in July:
12.6 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
8.9 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
8.1 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is November (6.5 days).
Average snowfall
New Gretna, NJ
The month with the highest snowfall is January (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
New Gretna, NJ
- Average snowfall days in January:
3.7 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0 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:
0.3 days - Average snowfall days in December:
1.6 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
New Gretna, 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 18min - 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:
9h and 0min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 42min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 36min - 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
New Gretna, NJ
- Average sunshine days in January:
21.3 days - Average sunshine days in February:
18.2 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
17.6 days - Average sunshine days in May:
17.8 days - Average sunshine days in June:
17.9 days
- Average sunshine days in July:
15.6 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
19.1 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
21.6 days - Average sunshine days in December:
21.2 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (15.6 days).
Average UV index
New Gretna, 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 and December (UV index 2).
Average cloud cover
New Gretna, NJ
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
New Gretna, 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).
