Climate and monthly weather forecastMountainville, NJ
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Mountainville, New Jersey, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 35.1°F (1.7°C). Temperature records mark January as the coldest month, with highs averaging 35.1°F (1.7°C) and lows at 22.3°F (-5.4°C). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Mountainville, New Jersey, with temperature in the range of an average high of 38.3°F (3.5°C) and an average low of 23.9°F (-4.5°C). Upon the beginning of February, Mountainville's high-temperatures register at a still icy 38.3°F (3.5°C), closely mirroring the preceding month. Weather in February »Weather in March
March, the first month of the spring in Mountainville, is a frosty month, with an average temperature ranging between min 31.5°F (-0.3°C) and max 46.9°F (8.3°C). The start of March brings a subtle rise in the average high-temperature, moving from a cold 38.3°F (3.5°C) in February to a chilly 46.9°F (8.3°C). Weather in March »Weather in April
April is a refreshing spring month in Mountainville, New Jersey, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 59°F (15°C). The onset of April marks an increase in the average high-temperature, moving from a chilly 46.9°F (8.3°C) in March to a refreshing 59°F (15°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Mountainville, New Jersey, with an average temperature fluctuating between 51.1°F (10.6°C) and 69.6°F (20.9°C). The arrival of May signals an increase in the average high-temperature, moving from a mild 59°F (15°C) in April to a pleasant 69.6°F (20.9°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Mountainville, New Jersey, with an average temperature varying between 77.5°F (25.3°C) and 58.5°F (14.7°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from an agreeable 69.6°F (20.9°C) in May to a warm 77.5°F (25.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Mountainville, New Jersey, with an average temperature varying between 83.8°F (28.8°C) and 64°F (17.8°C). July, known for its average high temperature of 83.8°F (28.8°C) and an average low temperature of 64°F (17.8°C), is the warmest month. For most parts of July, the heat index is computed to be a hot 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Mountainville, is also a moderately hot month, with an average temperature varying between 62.4°F (16.9°C) and 81.9°F (27.7°C). A minimal variation is noted in Mountainville's average high-temperature at the onset of August, reaching a still moderately hot 81.9°F (27.7°C) from July's 83.8°F (28.8°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Mountainville, New Jersey, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 56.1°F (13.4°C). In the transition to September, Mountainville observes a minor drop in the average high-temperature, shifting from a moderately hot 81.9°F (27.7°C) in August to a still warm 74.7°F (23.7°C). Weather in September »Weather in October
October, like September, in Mountainville, New Jersey, is another enjoyable autumn month, with an average temperature ranging between min 46.4°F (8°C) and max 62.2°F (16.8°C). In Mountainville, the average high-temperature in October drops from a moderately hot 74.7°F (23.7°C) in September to a comfortable 62.2°F (16.8°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Mountainville, New Jersey, with temperature in the range of an average high of 50.4°F (10.2°C) and an average low of 35.8°F (2.1°C). Mountainville observes a minor decrease in the average high-temperature with the arrival of November, falling from October's comfortable 62.2°F (16.8°C) to a cool 50.4°F (10.2°C). Weather in November »Weather in December
December, the first month of the winter in Mountainville, is still a cold month, with an average temperature fluctuating between 29.3°F (-1.5°C) and 41°F (5°C). As Mountainville, New Jersey, enters December, the average high-temperature decreases from the a cool 50.4°F (10.2°C) of November to an icy 41°F (5°C). Weather in December »Updated: Jul 22, 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
In Mountainville, January registers the lowest temperatures, averaging 35.1°F (1.7°C) at the peak and 22.3°F (-5.4°C) at the lowest.
Throughout the year, there are 162.3 rainfall days, and 32.83" (834mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
In Mountainville, during the entire year, snow falls for 27.8 days and aggregates up to 15.35" (390mm) of snow.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February, October and December, with an average relative humidity of 80%, are most humid months.
With an average of 4.6h of sunshine, February has the least sunshine of the year in Mountainville.
The month with the most snowfall is March, when snow falls for 5.6 days and typically aggregates up to 4.76" (121mm) of snow.
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.
The least humid month is April, with an average relative humidity of 75%.
June through September are months without snowfall.
The month with the longest days is June, with an average of 15h and 0min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
Mountainville reaches its average highest temperatures in July, measuring 83.8°F (28.8°C) at the peak and 64°F (17.8°C) at the lowest.
July has the most sunshine of the year, with an average of 10.4h of sunshine.
The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.89" (48mm) of precipitation.
The month with the most rainfall is December, when the rain falls for 12.3 days and typically aggregates up to 3.35" (85mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Mountainville, NJ
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure
Mountainville, 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:
29.98"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:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"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
Mountainville, NJ
- Average wind speed in January:
8.1mph - Average wind speed in February:
8mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Mountainville, NJ
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Mountainville, NJ
- Average rainfall in January:
2.32" - Average rainfall in February:
2.24" - Average rainfall in March:
2.72" - Average rainfall in April:
2.83" - Average rainfall in May:
3.07" - Average rainfall in June:
2.76"
- Average rainfall in July:
3.31" - Average rainfall in August:
2.91" - Average rainfall in September:
1.89" - Average rainfall in October:
2.91" - Average rainfall in November:
2.52" - Average rainfall in December:
3.35"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Mountainville, NJ
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
11.1 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (8.8 days).
Average snowfall
Mountainville, NJ
- Average snowfall in January:
3.03" - Average snowfall in February:
3.86" - Average snowfall in March:
4.76" - Average snowfall in April:
0.28" - Average snowfall in May:
0.55" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mountainville, NJ
- Average snowfall days in January:
8 days - Average snowfall days in February:
8 days - Average snowfall days in March:
5.6 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.2 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:
1.2 days - Average snowfall days in December:
4 days
The months with the highest number of snowfall days are January and February (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mountainville, NJ
- Average daylight in January:
9h and 42min - 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 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - 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 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Mountainville, NJ
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
12.9 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
15.8 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11 days).
Average UV index
Mountainville, 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
Mountainville, NJ
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility
Mountainville, NJ
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
