Monthly weather forecast and climate
River Vale, NJ

January, like December, in River Vale, New Jersey, is a wintry winter month, with average temperature varying between 24.1°F (-4.4°C) and 35.4°F (1.9°C). With an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 24.1°F (-4.4°C), January is the coldest month. Weather in January »

February, the last month of the winter, in River Vale, is another cold month, with average temperature ranging between max 38.8°F (3.8°C) and min 25.7°F (-3.5°C). In February, the average high-temperature is essentially the same as in January - a still wintry 38.8°F (3.8°C). Weather in February »

The first month of the spring, March, is a chilly month in River Vale, New Jersey, with temperature in the range of an average low of 32.7°F (0.4°C) and an average high of 46.6°F (8.1°C). In River Vale, the average high-temperature marginally rises, from a wintry 38.8°F (3.8°C) in February, to a chilly 46.6°F (8.1°C). Weather in March »

April in River Vale, New Jersey, is a moderate spring month, with temperature in the range of an average high of 58.3°F (14.6°C) and an average low of 43.2°F (6.2°C). In April, the average high-temperature increases, from a frosty 46.6°F (8.1°C) in March, to a moderate 58.3°F (14.6°C). Weather in April »

The last month of the spring, May, is an agreeable month in River Vale, New Jersey, with average temperature ranging between max 69.6°F (20.9°C) and min 52.7°F (11.5°C). In May, the average high-temperature rises, from a moderate 58.3°F (14.6°C) in April, to a pleasant 69.6°F (20.9°C). Weather in May »

The first month of the summer, June, is a warm month in River Vale, New Jersey, with average temperature fluctuating between 78.4°F (25.8°C) and 60.6°F (15.9°C). In June, the average high-temperature marginally rises, from a pleasant 69.6°F (20.9°C) in May, to a warm 78.4°F (25.8°C). Weather in June »

July, like June, in River Vale, New Jersey, is another warm summer month, with temperature in the range of an average high of 84.9°F (29.4°C) and an average low of 68°F (20°C). July is the warmest month, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 68°F (20°C). The average heat index in July is estimated at a tropical 92.5°F (33.6°C). Weather in July »

August, the last month of the summer, in River Vale, is also a moderately hot month, with average temperature ranging between min 67.3°F (19.6°C) and max 82.9°F (28.3°C). In August, the average high-temperature is almost the same as in July - a still warm 82.9°F (28.3°C). Weather in August »

September, the first month of the autumn, in River Vale, is also a moderately hot month, with average temperature varying between 75.4°F (24.1°C) and 59.9°F (15.5°C). In September, the average high-temperature marginally drops, from a warm 82.9°F (28.3°C) in August, to a still moderately hot 75.4°F (24.1°C). Weather in September »

October, like September, in River Vale, New Jersey, is another comfortable autumn month, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 50.2°F (10.1°C). In River Vale, the average high-temperature drops, from a moderately hot 75.4°F (24.1°C) in September, to an enjoyable 63.1°F (17.3°C). Weather in October »

November, the last month of the autumn, in River Vale, is also a fresh month, with average temperature fluctuating between 50.9°F (10.5°C) and 38.5°F (3.6°C). In November, the average high-temperature drops, from a comfortable 63.1°F (17.3°C) in October, to a fresh 50.9°F (10.5°C). Weather in November »

The first month of the winter, December, is also a wintry month in River Vale, New Jersey, with average temperature ranging between max 41.7°F (5.4°C) and min 30.9°F (-0.6°C). In River Vale, the average high-temperature in December decreases, from a fresh 50.9°F (10.5°C) in November, to a wintry 41.7°F (5.4°C). Weather in December »

What is the coldest month in River Vale?

January is the coldest month in River Vale, with an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 24.1°F (-4.4°C).

How many days does it rain in River Vale?

In River Vale, during the entire year, the rain falls for 153.9 days and collects up to 30.75" (781mm) of precipitation.

When does it snow in River Vale?

January through April, November and December are months with snowfall.

How many days does it snow in River Vale?

In River Vale, during the entire year, snow falls for 25.5 days, and aggregates up to 10.55" (268mm) of snow.

What is the month with the lowest UV index in River Vale?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in River Vale.

What is the most humid month in River Vale?

February is the most humid month, with an average relative humidity of 77%.

What is the month with the least sunshine in River Vale?

With an average of 4.6h of sunshine, February has the least sunshine of the year in River Vale.

What is the snowiest month in River Vale?

The month with the most snowfall in River Vale is March when snow falls for 5.4 days and typically aggregates up to 3.07" (78mm) of snow.

When it does not snow in River Vale?

May through October are months without snowfall in River Vale.

When are the longest days in River Vale?

June has the longest days of the year, with an average of 15.1h of daylight.

When is the highest UV index in River Vale?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in River Vale?

The warmest month is July, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 68°F (20°C).

What month has the most sunshine in River Vale?

With an average of 10.3h of sunshine, July has the most sunshine of the year in River Vale.

What is the least humid month in River Vale?

The least humid month in River Vale, New Jersey, is August, with an average relative humidity of 68%.

What is the driest month in River Vale?

The month with the least rainfall in River Vale, New Jersey, is September when the rain falls for 11.6 days and typically collects 1.73" (44mm) of precipitation.

What is the wettest month in River Vale?

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 in River Vale?

With an average of 9.3h of daylight, December has the shortest days of the year in River Vale, New Jersey.
Average temperature - River Vale, NJ
Average pressure - River Vale, NJ

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed - River Vale, NJ

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 rainfall - River Vale, NJ

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

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
Average snowfall days - River Vale, NJ

The month with the highest number of snowfall days is January (6.9 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - River Vale, NJ

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days - River Vale, NJ

Months with the most sunshine days are January and November (18.1 days).
Months with the least sunshine days are April and June (12.7 days).

Average UV index - River Vale, NJ
Average visibility - River Vale, NJ

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).