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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, the same as December, is another cold winter month in Annandale, New Jersey, with an average temperature varying between 22.3°F (-5.4°C) and 35.1°F (1.7°C). January is the month when Annandale sees the lowest average temperatures, with a high of 35.1°F (1.7°C) and a low 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 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). The beginning of February records an average high-temperature of a still wintry 38.3°F (3.5°C), almost echoing the conditions of the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Annandale, New Jersey, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 46.9°F (8.3°C). With the beginning of March, Annandale's average high-temperature sees a minor increase, transitioning 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 moderate spring month in Annandale, New Jersey, with an average temperature varying between 41.4°F (5.2°C) and 59°F (15°C). The arrival of April sees a shift in the average high-temperature, moving 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 varying between 51.1°F (10.6°C) and 69.6°F (20.9°C). May signals a shift in the average high-temperature, moving from April's mild 59°F (15°C) to a pleasant 69.6°F (20.9°C). Weather in May »
Weather in June
June, the first month of the summer in Annandale, is a warm month, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 77.5°F (25.3°C). June's arrival coincides with a subtle temperature rise, moving from May's agreeable 69.6°F (20.9°C) to a moderately hot 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 an average temperature ranging between min 64°F (17.8°C) and max 83.8°F (28.8°C). With average high and low temperatures of 83.8°F (28.8°C) and 64°F (17.8°C) respectively, July is Annandale's 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 Annandale, is also a moderately hot month, with an average temperature ranging between max 81.9°F (27.7°C) and min 62.4°F (16.9°C). The transition into August shows a subtle variation to a still moderately hot 81.9°F (27.7°C) from July's 83.8°F (28.8°C) in the average high-temperature. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Annandale, New Jersey, with an average temperature fluctuating between 56.1°F (13.4°C) and 74.7°F (23.7°C). September ushers in a minor alteration in Annandale's climate, with the average high-temperature moving from August's 81.9°F (27.7°C) 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). October's onset corresponds with a shift in the average high-temperature, moving from a warm 74.7°F (23.7°C) in September to a refreshing 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 ranging between max 50.4°F (10.2°C) and min 35.8°F (2.1°C). During Annandale's transition into November, the average high-temperature lessens, moving from a comfortable 62.2°F (16.8°C) in October to a cool 50.4°F (10.2°C). Weather in November »
Weather in December
December, the first month of the winter in Annandale, is still a cold month, with an average temperature varying between 29.3°F (-1.5°C) and 41°F (5°C). Annandale's progression into December includes a drop in the average high-temperature, from a fresh 50.4°F (10.2°C) in November to a wintry 41°F (5°C). Weather in December »
Updated: Aug 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
What month is the coldest?
The month of January sees the average lowest temperatures in Annandale, reaching 35.1°F (1.7°C) at the peak and 22.3°F (-5.4°C) at the low.
How much does it rain in Annandale?
In Annandale, during the entire year, the rain falls for 162.3 days and collects up to 32.83" (834mm) of precipitation.
When does it snow in Annandale?
Months with snowfall are January through May, October through December.
How much does it snow?
In Annandale, during the entire year, snow falls for 27.8 days and aggregates up to 15.35" (390mm) of snow.
What are the months with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Annandale.
What is the most humid month?
February, October and December, with an average relative humidity of 80%, are most humid months.
What is the month with the least sunshine?
With an average of 4.6h of sunshine, February has the least sunshine of the year.
What is the snowiest month?
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.
When is Daylight Saving Time (DST)?
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.
What is the least humid month?
The least humid month is April, with an average relative humidity of 75%.
When it does not snow?
In Annandale, New Jersey, snow does not fall in June through September.
When are the longest days?
June has the longest days of the year, with an average of 15h and 0min of daylight.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year?
The highest temperatures are recorded in July, with averages reaching a high of 83.8°F (28.8°C) and a low of 64°F (17.8°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.4h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.89" (48mm) of precipitation.
What is the rainiest month?
December is the month with the most rainfall. Rain falls for 12.3 days and accumulates 3.35" (85mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
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).
Average pressure
Annandale, 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
Annandale, 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
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%).
Average rainfall
Annandale, 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
Annandale, 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
Annandale, 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
Annandale, 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
Annandale, 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 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - 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 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
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
Annandale, 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
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).
Average cloud cover
Annandale, 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
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).
Annandale, New Jersey, USA
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