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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 Washington, New Jersey, is a wintry winter month, with an average temperature ranging between min 21.6°F (-5.8°C) and max 34°F (1.1°C). January, recording an average high temperature of 34°F (1.1°C) and a low temperature of 21.6°F (-5.8°C), is Washington's coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Washington, New Jersey, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 23.4°F (-4.8°C). Washington, New Jersey, experiences a recorded average high-temperature of a still cold 37.9°F (3.3°C) in February, closely aligned with January's 34°F (1.1°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Washington, New Jersey, with an average temperature ranging between max 45.9°F (7.7°C) and min 30.2°F (-1°C). The transition from February to March brings a subtle temperature rise, with average high-temperatures increasing from a wintry 37.9°F (3.3°C) to a chilly 45.9°F (7.7°C). Weather in March »
Weather in April
April is a moderate spring month in Washington, New Jersey, with an average temperature varying between 40.1°F (4.5°C) and 58.1°F (14.5°C). The onset of April marks an increase in the average high-temperature, moving from a frosty 45.9°F (7.7°C) in March to a moderate 58.1°F (14.5°C). Weather in April »
Weather in May
May, the last month of the spring in Washington, is an agreeable month, with an average temperature varying between 50.4°F (10.2°C) and 69.4°F (20.8°C). With the transition into May, Washington experiences an increase in average high-temperatures, moving up from a moderate 58.1°F (14.5°C) in April to an agreeable 69.4°F (20.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Washington, New Jersey, with an average temperature fluctuating between 77.5°F (25.3°C) and 57°F (13.9°C). The onset of June marks a slight increase in the average high-temperature, moving from a pleasant 69.4°F (20.8°C) in May to a warm 77.5°F (25.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Washington, New Jersey, with an average temperature ranging between min 63°F (17.2°C) and max 83.7°F (28.7°C). July, with its high-temperature average of 83.7°F (28.7°C) and a low-temperature average of 63°F (17.2°C), is the warmest month. For most parts of July, the heat index is evaluated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Washington, New Jersey, with an average temperature ranging between max 81.1°F (27.3°C) and min 61.3°F (16.3°C). Washington records a slight change with August's average high-temperatures adjusting to a still moderately hot 81.1°F (27.3°C) from July's 83.7°F (28.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Washington, New Jersey, with an average temperature fluctuating between 74.3°F (23.5°C) and 55°F (12.8°C). September marks a gentle change in average high-temperature, declining from August's 81.1°F (27.3°C) to a still warm 74.3°F (23.5°C). Weather in September »
Weather in October
October, like September, in Washington, New Jersey, is another enjoyable autumn month, with an average temperature varying between 45.7°F (7.6°C) and 62.1°F (16.7°C). October is characterized by a reduction in the average high-temperature, from a warm 74.3°F (23.5°C) in September to a refreshing 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Washington, New Jersey, with an average temperature fluctuating between 34.9°F (1.6°C) and 49.8°F (9.9°C). As October transitions to November, the average high-temperature falls from an enjoyable 62.1°F (16.7°C) to a frosty 49.8°F (9.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Washington, New Jersey, with an average temperature ranging between min 28.4°F (-2°C) and max 40.1°F (4.5°C). The onset of December introduces a moderate change in Washington's weather, with average high-temperatures falling from November's chilly 49.8°F (9.9°C) to an icy 40.1°F (4.5°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Washington?
With average high and low temperatures of 34°F (1.1°C) and 21.6°F (-5.8°C) respectively, January is Washington's coldest month.
How much does it rain in Washington?
In Washington, New Jersey, during the entire year, the rain falls for 157.6 days and collects up to 28.7" (729mm) of precipitation.
When does it snow in Washington?
Months with snowfall in Washington, New Jersey, are January through May, October through December.
How many days does it snow in Washington?
In Washington, during the entire year, snow falls for 30.4 days and aggregates up to 14.76" (375mm) of snow.
When is the lowest UV index in Washington?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month in Washington?
With an average relative humidity of 81%, February is the most humid month in Washington.
What is the snowiest month in Washington?
The month with the most snowfall in Washington is February, when snow falls for 8.3 days and typically aggregates up to 3.82" (97mm) of snow.
What is the month with the least sunshine in Washington?
The month with the least sunshine is February, with an average of 4.6h of sunshine.
When is Daylight Saving Time (DST) in Washington?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Washington, New Jersey, 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 in Washington?
April is the least humid month in Washington, New Jersey, with an average relative humidity of 76%.
When it does not snow in Washington?
June through September are months without snowfall in Washington.
When are the longest days in Washington?
The month with the longest days in Washington, New Jersey, is June, with an average of 15h and 0min of daylight.
What is the month with the highest UV index in Washington?
June and July, with an average maximum UV index of 6, are months with the highest UV index in Washington.
What part of the year is the hottest in Washington?
July, recording an average high temperature of 83.7°F (28.7°C) and a low temperature of 63°F (17.2°C), is Washington's warmest month.
What is the wettest month in Washington?
July is the month with the most rainfall in Washington. Rain falls for 15.6 days and accumulates 2.87" (73mm) of precipitation.
What month has the most sunshine in Washington?
July has the most sunshine of the year, with an average of 10.3h of sunshine.
What is the driest month in Washington?
September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.54" (39mm) of precipitation.
What is the month with the shortest days in Washington?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Washington, NJ
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Washington, 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
Washington, NJ
- Average wind speed in January:
7.9mph - Average wind speed in February:
7.8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Washington, NJ
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Washington, NJ
- Average rainfall in January:
2.01" - Average rainfall in February:
1.97" - Average rainfall in March:
2.48" - Average rainfall in April:
2.52" - Average rainfall in May:
2.8" - Average rainfall in June:
2.44"
The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Washington, NJ
- Average rainfall days in January:
8.1 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
13 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
15.6 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
11.7 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall
Washington, NJ
- Average snowfall in January:
3.07" - Average snowfall in February:
3.82" - Average snowfall in March:
3.78" - Average snowfall in April:
0.28" - Average snowfall in May:
0.51" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Washington, NJ
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
6.4 days - Average snowfall days in April:
0.8 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:
1.3 days - Average snowfall days in December:
4.9 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Washington, 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 5min - 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 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:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - 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
Washington, NJ
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
13.1 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
16 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (11.8 days).
Average UV index
Washington, NJ
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Washington, NJ
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Washington, NJ
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Washington, New Jersey, USA
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