Climate and monthly weather forecastMountain Lakes, NJ
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Mountain Lakes, New Jersey, with an average temperature ranging between min 21.6°F (-5.8°C) and max 34.5°F (1.4°C). January is Mountain Lakes's coldest month, registering average high temperatures of 34.5°F (1.4°C) and lows of 21.6°F (-5.8°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Mountain Lakes, New Jersey, with an average temperature varying between 37.8°F (3.2°C) and 23.5°F (-4.7°C). The shift into February reveals an average high-temperature of a still wintry 37.8°F (3.2°C), closely mirroring January's climate. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Mountain Lakes, New Jersey, with an average temperature fluctuating between 45.9°F (7.7°C) and 30.6°F (-0.8°C). With the onset of March, Mountain Lakes's weather sees a minor temperature rise, transitioning from a wintry 37.8°F (3.2°C) in February to a chilly 45.9°F (7.7°C). Weather in March »Weather in April
April in Mountain Lakes, New Jersey, is a refreshing spring month, with an average temperature fluctuating between 40.6°F (4.8°C) and 58.3°F (14.6°C). Mountain Lakes's transition into April brings a rise in the average high-temperature, moving from a frosty 45.9°F (7.7°C) in March to a refreshing 58.3°F (14.6°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Mountain Lakes, New Jersey, with an average temperature fluctuating between 68.9°F (20.5°C) and 50.7°F (10.4°C). The transition to May introduces an increase in the average high-temperature, shifting from a moderate 58.3°F (14.6°C) in April to an agreeable 68.9°F (20.5°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Mountain Lakes, New Jersey, with an average temperature varying between 57.9°F (14.4°C) and 77°F (25°C). With the onset of June, Mountain Lakes observes a minor temperature ascent, with the average high-temperature adjusting from May's pleasant 68.9°F (20.5°C) to a warm 77°F (25°C). Weather in June »Weather in July
July, like June, in Mountain Lakes, New Jersey, is another warm summer month, with an average temperature ranging between min 64.8°F (18.2°C) and max 83.1°F (28.4°C). Mountain Lakes registers the highest average temperatures during the month of July, with peaks of 83.1°F (28.4°C) and lows of 64.8°F (18.2°C). For most parts of July, the heat index is computed to be a tropical 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Mountain Lakes, is another warm month, with an average temperature fluctuating between 63°F (17.2°C) and 81.3°F (27.4°C). August brings a marginal elevation to a still warm 81.3°F (27.4°C) from July's 83.1°F (28.4°C) in Mountain Lakes's average high-temperatures. Weather in August »Weather in September
September, the first month of the autumn in Mountain Lakes, is still a warm month, with an average temperature varying between 56.3°F (13.5°C) and 74.3°F (23.5°C). As August transitions into September, Mountain Lakes sees a gentle drop in the average high-temperature, transitioning from a moderately hot 81.3°F (27.4°C) to a still warm 74.3°F (23.5°C). Weather in September »Weather in October
October, like September, in Mountain Lakes, New Jersey, is another enjoyable autumn month, with an average temperature fluctuating between 46.6°F (8.1°C) and 62.1°F (16.7°C). October's onset brings a reduction in the average high-temperature, from a moderately hot 74.3°F (23.5°C) in September to a comfortable 62.1°F (16.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Mountain Lakes, New Jersey, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 49.8°F (9.9°C). As November arrives, Mountain Lakes's weather displays a decrease in high-temperatures, transitioning from October's enjoyable 62.1°F (16.7°C) to a chilly 49.8°F (9.9°C). Weather in November »Weather in December
December, the first month of the winter in Mountain Lakes, is also a wintry month, with an average temperature ranging between max 40.1°F (4.5°C) and min 29.1°F (-1.6°C). In Mountain Lakes, the average high-temperature in December drops from a frosty 49.8°F (9.9°C) in November to an icy 40.1°F (4.5°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
During the coldest month in Mountain Lakes, January, temperatures average a high of 34.5°F (1.4°C) and a low of 21.6°F (-5.8°C).
In Mountain Lakes, New Jersey, during the entire year, the rain falls for 161.2 days and collects up to 33.74" (857mm) of precipitation.
Months with snowfall in Mountain Lakes, New Jersey, are January through May, October through December.
In Mountain Lakes, during the entire year, snow falls for 30.9 days and aggregates up to 15.79" (401mm) of snow.
The months with the lowest UV index in Mountain Lakes, New Jersey, are January through March, November and December, with an average maximum UV index of 2.
The months with the highest humidity in Mountain Lakes, New Jersey, are February, October and December, with an average relative humidity of 80%.
February has the least sunshine of the year in Mountain Lakes, with an average of 4.4h of sunshine.
The month with the most snowfall is March, when snow falls for 6.1 days and typically aggregates up to 4.69" (119mm) 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.
With an average relative humidity of 74%, April is the least humid month.
In Mountain Lakes, New Jersey, snow does not fall in June through September.
With an average of 15h and 6min of daylight, June has the longest days of the year in Mountain Lakes.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
July stands out as Mountain Lakes's warmest month, with temperatures ranging between an average high of 83.1°F (28.4°C) and a low of 64.8°F (18.2°C).
The month with the most sunshine in Mountain Lakes is July, with an average of 10.2h of sunshine.
The month with the least rainfall in Mountain Lakes is September, when the rain falls for 12.5 days and typically collects 1.77" (45mm) of precipitation.
December is the month with the most rainfall. Rain falls for 11.2 days and accumulates 3.43" (87mm) of precipitation.
December has the shortest days of the year in Mountain Lakes, with an average of 9h and 18min of daylight.
Average temperature
Mountain Lakes, NJ
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.5°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Mountain Lakes, NJ
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.04"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:
30.02"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 (29.93"Hg).
Average wind speed
Mountain Lakes, NJ
- Average wind speed in January:
8.1mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.3mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.4mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.1mph - 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 (5.2mph).
Average humidity
Mountain Lakes, NJ
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Mountain Lakes, NJ
- Average rainfall in January:
2.28" - Average rainfall in February:
2.24" - Average rainfall in March:
2.87" - Average rainfall in April:
3.03" - Average rainfall in May:
3.35" - Average rainfall in June:
2.95"
- Average rainfall in July:
3.31" - Average rainfall in August:
2.64" - Average rainfall in September:
1.77" - Average rainfall in October:
3.31" - Average rainfall in November:
2.56" - Average rainfall in December:
3.43"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days
Mountain Lakes, NJ
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
15 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall
Mountain Lakes, NJ
- Average snowfall in January:
2.91" - Average snowfall in February:
4.29" - Average snowfall in March:
4.69" - Average snowfall in April:
0.31" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mountain Lakes, NJ
- Average snowfall days in January:
8.5 days - Average snowfall days in February:
8.7 days - Average snowfall days in March:
6.1 days - Average snowfall days in April:
1.1 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:
1.5 days - Average snowfall days in December:
4.7 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mountain Lakes, NJ
- Average daylight in January:
9h and 36min - 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 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 48min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 24min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days
Mountain Lakes, NJ
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
12.9 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
11.2 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
15.8 days - Average sunshine days in November:
17.4 days - Average sunshine days in December:
16.1 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (11.2 days).
Average UV index
Mountain Lakes, 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
Mountain Lakes, NJ
The months with the most cloud cover are February, March and December (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility
Mountain Lakes, NJ
The months with the highest visibility are January, April, July, August, October, November and December (6mi).
The months with the lowest visibility are February, March, May, June and September (5mi).
