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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in River Vale, New Jersey, is a wintry winter month, with an average temperature varying between 24.1°F (-4.4°C) and 35.4°F (1.9°C). In River Vale, New Jersey, January is the month with the lowest recorded average temperatures, measuring a high of 35.4°F (1.9°C) and a low of 24.1°F (-4.4°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in River Vale, New Jersey, with an average temperature varying between 38.8°F (3.8°C) and 25.7°F (-3.5°C). River Vale, New Jersey, experiences a subtle adjustment in high-temperatures to a still wintry 38.8°F (3.8°C) with the onset of February, maintaining near parity with January's 35.4°F (1.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in River Vale, New Jersey, with an average temperature varying between 32.7°F (0.4°C) and 46.6°F (8.1°C). As March arrives, a slight rise in the average high-temperature is observed, moving from a wintry 38.8°F (3.8°C) in February to a frosty 46.6°F (8.1°C). Weather in March »
Weather in April
April in River Vale, New Jersey, is a mild spring month, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 58.3°F (14.6°C). River Vale in April experiences an increase in the average high-temperature, moving from March's chilly 46.6°F (8.1°C) to a mild 58.3°F (14.6°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in River Vale, New Jersey, with an average temperature fluctuating between 69.6°F (20.9°C) and 52.7°F (11.5°C). May's arrival coincides with a temperature rise, moving from April's refreshing 58.3°F (14.6°C) to an agreeable 69.6°F (20.9°C). Weather in May »
Weather in June
June, the first month of the summer in River Vale, is a moderately hot month, with an average temperature ranging between max 78.4°F (25.8°C) and min 60.6°F (15.9°C). River Vale's weather in June shows a minor rise in the average high-temperature, moving slightly up from May's agreeable 69.6°F (20.9°C) to a warm 78.4°F (25.8°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in River Vale, New Jersey, with an average temperature varying between 84.9°F (29.4°C) and 68°F (20°C). July is the month that records the highest temperatures, with averages ranging from a high of 84.9°F (29.4°C) to a low of 68°F (20°C). The heat index in July is calculated to be a hot 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in River Vale, New Jersey, with an average temperature ranging between min 67.3°F (19.6°C) and max 82.9°F (28.3°C). The average high-temperature in August, at a still moderately hot 82.9°F (28.3°C), reveals a modest deviation from July's 84.9°F (29.4°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in River Vale, New Jersey, with an average temperature ranging between min 59.9°F (15.5°C) and max 75.4°F (24.1°C). During the shift to September, River Vale records a mild decrease in average high-temperature, moving from 82.9°F (28.3°C) in August to a still warm 75.4°F (24.1°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in River Vale, New Jersey, with an average temperature ranging between min 50.2°F (10.1°C) and max 63.1°F (17.3°C). In October, the average high-temperature decreases from a warm 75.4°F (24.1°C) in September to an enjoyable 63.1°F (17.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in River Vale, New Jersey, with an average temperature fluctuating between 50.9°F (10.5°C) and 38.5°F (3.6°C). The onset of November coincides with a reduction in the average high-temperature, falling from a refreshing 63.1°F (17.3°C) in October to a fresh 50.9°F (10.5°C). Weather in November »
Weather in December
December, the first month of the winter in River Vale, is still a cold month, with an average temperature fluctuating between 30.9°F (-0.6°C) and 41.7°F (5.4°C). With the beginning of December, the average high-temperature shows a decrease, transitioning from a fresh 50.9°F (10.5°C) in November to a wintry 41.7°F (5.4°C). Weather in December »
Updated: Jul 31, 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
What month is the coldest?
In River Vale, January is the coldest month, with temperatures averaging a high of 35.4°F (1.9°C) and a low of 24.1°F (-4.4°C).
How much does it rain?
Throughout the year, there are 153.9 rainfall days, and 30.75" (781mm) of precipitation is accumulated.
When does it snow?
January through April, November and December are months with snowfall.
How many days does it snow?
Throughout the year, there are 25.5 snowfall days, and 10.55" (268mm) of snow is accumulated.
What are the months with the lowest UV index?
The months with the lowest UV index in River Vale, New Jersey, are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month?
February is the most humid month, with an average relative humidity of 77%.
What is the month with the least sunshine?
With an average of 4.6h of sunshine, February has the least sunshine of the year in River Vale, New Jersey.
What is the snowiest month?
March is the month with the most snowfall in River Vale. Snow falls for 5.4 days and accumulates 3.07" (78mm) of snow.
When is Daylight Saving Time (DST) in River Vale?
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.
When it does not snow?
May through October are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 6min of daylight.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest?
The temperatures reach their highest averages in July, with highs of 84.9°F (29.4°C) and lows of 68°F (20°C).
What month has the most sunshine?
The month with the most sunshine in River Vale is July, with an average of 10.3h of sunshine.
What is the least humid month?
The least humid month is August, with an average relative humidity of 68%.
What is the driest month?
September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 1.73" (44mm) of precipitation.
What is the wettest month?
The month with the most rainfall is December, when the rain falls for 10.7 days and typically aggregates up to 3.46" (88mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
River Vale, NJ
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.4°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure
River Vale, NJ
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.03"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:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
River Vale, NJ
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8mph
The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
River Vale, NJ
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (68%).
Average rainfall
River Vale, NJ
- Average rainfall in January:
2.2" - Average rainfall in February:
2.05" - Average rainfall in March:
2.76" - Average rainfall in April:
2.76" - Average rainfall in May:
2.68" - Average rainfall in June:
2.68"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.28" - Average rainfall in September:
1.73" - Average rainfall in October:
2.99" - Average rainfall in November:
2.48" - Average rainfall in December:
3.46"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
River Vale, NJ
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
9 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall
River Vale, NJ
The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
River Vale, NJ
- Average snowfall days in January:
6.9 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
5.4 days - Average snowfall days in April:
0.7 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:
1.1 days - Average snowfall days in December:
4.6 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
River Vale, NJ
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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:
5h and 0min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
River Vale, NJ
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
12.7 days
- Average sunshine days in July:
13.1 days - Average sunshine days in August:
15 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
17 days - Average sunshine days in November:
18.1 days - Average sunshine days in December:
16.8 days
The months with the most sunshine days are January and November (18.1 days).
The months with the least sunshine days are April and June (12.7 days).
Average UV index
River Vale, 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
River Vale, NJ
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
River Vale, 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).
River Vale, New Jersey, USA
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