Climate and monthly weather forecast
Annandale, NJ

Weather in January

January, like December, in Annandale, New Jersey, is another cold winter month, with temperature in the range of an average high of 35.1°F (1.7°C) and an average low of 22.3°F (-5.4°C). January is the coldest month, with an average high-temperature of 35.1°F (1.7°C) and an average low-temperature of 22.3°F (-5.4°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Annandale, New Jersey, with an average temperature ranging between min 23.9°F (-4.5°C) and max 38.3°F (3.5°C). In Annandale, New Jersey, the average high-temperature in February is practically the same as in January - a still cold 38.3°F (3.5°C). Weather in February »

Weather in March

March, the first month of the spring in Annandale, is a frosty month, with an average temperature fluctuating between 31.5°F (-0.3°C) and 46.9°F (8.3°C). In March, the average high-temperature slightly increases from a cold 38.3°F (3.5°C) in February to a frosty 46.9°F (8.3°C). Weather in March »

Weather in April

April is a mild spring month in Annandale, New Jersey, with an average temperature ranging between min 41.4°F (5.2°C) and max 59°F (15°C). In April, the average high-temperature rises from a chilly 46.9°F (8.3°C) in March to a mild 59°F (15°C). Weather in April »

Weather in May

May, the last month of the spring in Annandale, is a pleasant month, with an average temperature ranging between max 69.6°F (20.9°C) and min 51.1°F (10.6°C). In May, the average high-temperature increases from a moderate 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 Annandale, New Jersey, with an average temperature ranging between min 58.5°F (14.7°C) and max 77.5°F (25.3°C). In Annandale, the average high-temperature in June slightly increases 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, like June, in Annandale, New Jersey, is another warm summer month, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 64°F (17.8°C). The warmest month is July, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 64°F (17.8°C). In July, the average heat index is calculated to be a tropical 92.5°F (33.6°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Annandale, New Jersey, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 62.4°F (16.9°C). In August, the average high-temperature is essentially the same as in July - a still warm 81.9°F (27.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Annandale, 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 Annandale, the average high-temperature in September slightly decreases 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 Annandale, New Jersey, is another enjoyable autumn month, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 46.4°F (8°C). In Annandale, New Jersey, the average high-temperature in October drops from a moderately hot 74.7°F (23.7°C) in September to an enjoyable 62.2°F (16.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Annandale, New Jersey, with an average temperature varying between 50.4°F (10.2°C) and 35.8°F (2.1°C). In Annandale, the average high-temperature in November decreases from a comfortable 62.2°F (16.8°C) in October to a fresh 50.4°F (10.2°C). Weather in November »

Weather in December

December, the first month of the winter in Annandale, is also a wintry month, with an average temperature varying between 41°F (5°C) and 29.3°F (-1.5°C). In December, the average high-temperature decreases from a cool 50.4°F (10.2°C) in November to a wintry 41°F (5°C). Weather in December »
[Resources]

FAQ

What is the coldest month in Annandale?

The coldest month is January, with an average high-temperature of 35.1°F (1.7°C) and an average low-temperature of 22.3°F (-5.4°C).

How many days does it rain in Annandale?

Throughout the year, there are 162.3 rainfall days, and 32.83" (834mm) of precipitation is accumulated.

When does it snow in Annandale?

Months with snowfall in Annandale, New Jersey, are January through May, October through December.

How much does it snow in Annandale?

Throughout the year, in Annandale, there are 27.8 snowfall days, and 15.35" (390mm) of snow is accumulated.

When is the lowest UV index in Annandale?

The months with the lowest UV index in Annandale, New Jersey, are January through March, November and December, with an average maximum UV index of 2.

What is the most humid month in Annandale?

February, October and December, with an average relative humidity of 80%, are most humid months in Annandale.

What is the month with the least sunshine in Annandale?

The month with the least sunshine is February, with an average of 4.6h of sunshine.

When does it snow the most in Annandale?

March is the month with the most snowfall. Snow falls for 5.6 days and accumulates 4.76" (121mm) of snow.

When is Daylight Saving Time (DST) in Annandale?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Annandale?

With an average relative humidity of 75%, April is the least humid month in Annandale.

When it does not snow in Annandale?

In Annandale, New Jersey, snow does not fall in June through September.

When are the longest days in Annandale?

June has the longest days of the year in Annandale, with an average of 15h and 2min of daylight.

What is the month with the highest UV index in Annandale?

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

What is the warmest month in Annandale?

The warmest month in Annandale, New Jersey, is July, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 64°F (17.8°C).

What month has the most sunshine in Annandale?

July has the most sunshine of the year, with an average of 10.4h of sunshine.

What is the driest month in Annandale?

The month with the least rainfall in Annandale is September, when the rain falls for 12.3 days and typically collects 1.89" (48mm) of precipitation.

What is the rainiest month in Annandale?

The month with the most rainfall in Annandale, New Jersey, is December, when the rain falls for 12.3 days and typically aggregates up to 3.35" (85mm) of precipitation.

What is the month with the shortest days in Annandale?

The month with the shortest days is December, with an average of 9h and 19min of daylight.

Average temperature
Annandale, NJ

Average temperature - Annandale, 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).

[Resources]

Average pressure
Annandale, NJ

Average pressure - Annandale, NJ

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed
Annandale, NJ

Average wind speed - Annandale, NJ

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).

[Resources]

Average humidity
Annandale, NJ

Average humidity - Annandale, NJ

The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (75%).

[Resources]

Average rainfall
Annandale, NJ

Average rainfall - Annandale, NJ

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.89").

[Resources]

Average rainfall days
Annandale, NJ

Average rainfall days - Annandale, NJ

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).

[Resources]

Average snowfall
Annandale, NJ

Average snowfall - Annandale, NJ

The month with the highest snowfall is March (4.76").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
Annandale, NJ

Average snowfall days - Annandale, NJ

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).

[Resources]

Average daylight / Average sunshine
Annandale, NJ

Average daylight / Average sunshine - Annandale, NJ

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

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).

[Resources]

Average sunshine days
Annandale, NJ

Average sunshine days - Annandale, NJ

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11 days).

[Resources]

Average UV index
Annandale, NJ

Average UV index - Annandale, 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).

[Resources]

Average visibility
Annandale, NJ

Average visibility - Annandale, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location