Climate and monthly weather forecastErma, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in Erma, New Jersey, is an icy winter month, with an average temperature ranging between min 32.2°F (0.1°C) and max 40.5°F (4.7°C). Erma reaches its lowest average temperatures in January, measuring 40.5°F (4.7°C) at the peak and 32.2°F (0.1°C) at the lowest. Weather in January »Weather in February
February, the last month of the winter in Erma, is another cold month, with an average temperature ranging between max 41.4°F (5.2°C) and min 33.6°F (0.9°C). February's climate shows a minor adjustment in average high-temperatures to a still icy 41.4°F (5.2°C) from January's 40.5°F (4.7°C). Weather in February »Weather in March
March, the first month of the spring in Erma, is a frosty month, with an average temperature fluctuating between 39°F (3.9°C) and 46°F (7.8°C). The start of March sees the average high-temperature at a chilly 46°F (7.8°C), showing little difference from February's 41.4°F (5.2°C). Weather in March »Weather in April
April is a fresh spring month in Erma, New Jersey, with an average temperature varying between 55°F (12.8°C) and 47.8°F (8.8°C). As April arrives, a rise in the average high-temperature is observed, moving from a chilly 46°F (7.8°C) in March to a cool 55°F (12.8°C). Weather in April »Weather in May
May, the last month of the spring in Erma, is a refreshing month, with an average temperature varying between 57.7°F (14.3°C) and 64°F (17.8°C). May brings a temperature increase, with average high-temperatures moving from April's cool 55°F (12.8°C) to a refreshing 64°F (17.8°C). Weather in May »Weather in June
June, the first month of the summer in Erma, is a pleasant month, with an average temperature fluctuating between 73°F (22.8°C) and 67.6°F (19.8°C). With the onset of June, the average high-temperature slightly shifts from May's comfortable 64°F (17.8°C) to a pleasant 73°F (22.8°C). Weather in June »Weather in July
July in Erma, New Jersey, is a moderately hot summer month, with an average temperature ranging between min 73.4°F (23°C) and max 79.3°F (26.3°C). July, known for its average high temperature of 79.3°F (26.3°C) and an average low temperature of 73.4°F (23°C), is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Erma, New Jersey, with an average temperature ranging between min 73°F (22.8°C) and max 78.6°F (25.9°C). August's climate shows a minor adjustment in average high-temperatures to a still moderately hot 78.6°F (25.9°C) from July's 79.3°F (26.3°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Erma, New Jersey, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 67.8°F (19.9°C). September's weather records an average high-temperature of a still warm 73.4°F (23°C), showing little deviation from August. Weather in September »Weather in October
October, like September, in Erma, New Jersey, is another enjoyable autumn month, with an average temperature varying between 58.3°F (14.6°C) and 64.9°F (18.3°C). The arrival of October signals a subtle shift in temperature, down from a warm 73.4°F (23°C) in September to a comfortable 64.9°F (18.3°C). Weather in October »Weather in November
November, the last month of the autumn in Erma, is another cool month, with an average temperature fluctuating between 54.5°F (12.5°C) and 47.1°F (8.4°C). The commencement of November indicates a shift in the average high-temperature, receding from October's comfortable 64.9°F (18.3°C) to a cool 54.5°F (12.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Erma, New Jersey, with an average temperature varying between 39.4°F (4.1°C) and 46.8°F (8.2°C). Erma's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's cool 54.5°F (12.5°C) to a chilly 46.8°F (8.2°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
Temperature readings reach their annual highs in January, averaging 40.5°F (4.7°C) and a minimum average of 32.2°F (0.1°C).
January is the month with the least rainfall in Erma, New Jersey. Rain falls for 8.7 days and accumulates 2.13" (54mm) of precipitation.
In Erma, during the entire year, the rain falls for 158 days and collects up to 35.47" (901mm) of precipitation.
January through March and December are months with snowfall in Erma, New Jersey.
In Erma, during the entire year, snow falls for 8.3 days and aggregates up to 3.11" (79mm) of snow.
The months with the lowest UV index in Erma are January, February and December, with an average maximum UV index of 2.
The month with the least sunshine in Erma, New Jersey, is February, with an average of 4.9h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Erma, 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.
In Erma, New Jersey, snow does not fall in April through November.
May is the most humid month, with an average relative humidity of 82%.
The month with the longest days in Erma 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 in Erma, New Jersey.
Erma's July weather, with an average high temperature of 79.3°F (26.3°C) and an average low temperature of 73.4°F (23°C), tends to be the warmest of the year.
July has the most sunshine of the year in Erma, with an average of 10.9h of sunshine.
The month with the most rainfall in Erma, New Jersey, is August, when the rain falls for 16 days and typically aggregates up to 3.86" (98mm) of precipitation.
The least humid month in Erma, New Jersey, is November, with an average relative humidity of 73%.
December is the month with the most snowfall in Erma, New Jersey. Snow falls for 1.3 days and accumulates 1.06" (27mm) of snow.
With an average of 9h and 30min of daylight, December has the shortest days of the year in Erma, New Jersey.
Average temperature
Erma, NJ
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (40.5°F).
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure
Erma, NJ
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30"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:
30.12"Hg - Average pressure in December:
30.09"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
Erma, NJ
- Average wind speed in January:
13.5mph - Average wind speed in February:
13.1mph - Average wind speed in March:
12.9mph - Average wind speed in April:
12.8mph - Average wind speed in May:
10.9mph - Average wind speed in June:
10.1mph
- Average wind speed in July:
9.2mph - Average wind speed in August:
9.3mph - Average wind speed in September:
10.9mph - Average wind speed in October:
12.7mph - Average wind speed in November:
13.2mph - Average wind speed in December:
13mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (9.2mph).
Average humidity
Erma, NJ
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (73%).
Average rainfall
Erma, NJ
- Average rainfall in January:
2.13" - Average rainfall in February:
2.48" - Average rainfall in March:
3.19" - Average rainfall in April:
2.52" - Average rainfall in May:
3.39" - Average rainfall in June:
3.23"
- Average rainfall in July:
3.15" - Average rainfall in August:
3.86" - Average rainfall in September:
2.6" - Average rainfall in October:
3.27" - Average rainfall in November:
2.52" - Average rainfall in December:
3.15"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days
Erma, NJ
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
14 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.7 days).
Average snowfall
Erma, NJ
The month with the highest snowfall is December (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Erma, NJ
- Average snowfall days in January:
2.4 days - Average snowfall days in February:
2.5 days - Average snowfall days in March:
1.9 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:
0.2 days - Average snowfall days in December:
1.3 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Erma, NJ
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
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 30min).
- Average sunshine in January:
5h and 18min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 42min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 24min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Erma, NJ
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
15.9 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
13 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (18.9 days).
The months with the least sunshine days are May and June (12.5 days).
Average UV index
Erma, 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
Erma, 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
Erma, 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).
