Climate and monthly weather forecastClark, NJ
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Clark, New Jersey, with an average temperature fluctuating between 25.7°F (-3.5°C) and 36.5°F (2.5°C). In Clark, January is the coldest month, with temperatures averaging a high of 36.5°F (2.5°C) and a low of 25.7°F (-3.5°C). Weather in January »Weather in February
February, the last month of the winter in Clark, is also an icy month, with an average temperature ranging between max 39.2°F (4°C) and min 27.3°F (-2.6°C). At the onset of February, Clark records an average high-temperature of a still wintry 39.2°F (4°C), showing little deviation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Clark, is a frosty month, with an average temperature varying between 34.3°F (1.3°C) and 46.9°F (8.3°C). The shift into March is characterized by a subtle rise in the average high-temperature, transitioning from February's wintry 39.2°F (4°C) to a chilly 46.9°F (8.3°C). Weather in March »Weather in April
April is a moderate spring month in Clark, New Jersey, with an average temperature ranging between min 44.1°F (6.7°C) and max 58.3°F (14.6°C). April brings an increase in the average high-temperature, progressing from a chilly 46.9°F (8.3°C) in March to a mild 58.3°F (14.6°C). Weather in April »Weather in May
May, the last month of the spring in Clark, is an agreeable month, with temperature in the range of an average low of 54°F (12.2°C) and an average high of 68.2°F (20.1°C). Clark sees an increase in the average high-temperature with the arrival of May, moving from April's refreshing 58.3°F (14.6°C) to an agreeable 68.2°F (20.1°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Clark, New Jersey, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 76.8°F (24.9°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a pleasant 68.2°F (20.1°C) in May to a moderately hot 76.8°F (24.9°C). Weather in June »Weather in July
July, like June, in Clark, New Jersey, is another warm summer month, with an average temperature fluctuating between 83.1°F (28.4°C) and 68.9°F (20.5°C). July is the warmest month of the year, registering average temperatures as high as 83.1°F (28.4°C) and as low as 68.9°F (20.5°C). The heat index in July is appraised at a hot 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Clark, is also a moderately hot month, with an average temperature varying between 81.9°F (27.7°C) and 68.4°F (20.2°C). July's transformation into August witnesses an average high-temperature of a still warm 81.9°F (27.7°C), noting a minor change from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Clark, is still a warm month, with an average temperature ranging between max 75.2°F (24°C) and min 61.2°F (16.2°C). September marks a gentle change in average high-temperature, declining from August's 81.9°F (27.7°C) to a still moderately hot 75.2°F (24°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Clark, New Jersey, with an average temperature fluctuating between 63.3°F (17.4°C) and 50.9°F (10.5°C). In the transition to October, Clark observes a drop in the average high-temperature, moving from a warm 75.2°F (24°C) in September to a comfortable 63.3°F (17.4°C). Weather in October »Weather in November
November, the last month of the autumn in Clark, is also a fresh month, with an average temperature fluctuating between 39.7°F (4.3°C) and 51.3°F (10.7°C). A decrease in the average high-temperature is observed during November, shifting from a comfortable 63.3°F (17.4°C) in October to a cool 51.3°F (10.7°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Clark, New Jersey, with an average temperature varying between 42.4°F (5.8°C) and 32.9°F (0.5°C). The start of December comes with a small reduction in the average high-temperature, subtly receding from a fresh 51.3°F (10.7°C) in November to a wintry 42.4°F (5.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Clark, NJ
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (36.5°F).
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure
Clark, NJ
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.04"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:
30.05"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.08"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
Clark, NJ
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.9mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7mph - Average wind speed in October:
8.2mph - Average wind speed in November:
8.6mph - Average wind speed in December:
8.9mph
The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity
Clark, NJ
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (72%).
Average rainfall
Clark, NJ
- Average rainfall in January:
0.51" - Average rainfall in February:
0.55" - Average rainfall in March:
0.63" - Average rainfall in April:
0.63" - Average rainfall in May:
0.94" - Average rainfall in June:
0.71"
- Average rainfall in July:
1.22" - Average rainfall in August:
0.98" - Average rainfall in September:
0.39" - Average rainfall in October:
0.79" - Average rainfall in November:
0.71" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days
Clark, NJ
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
9 days - Average rainfall days in April:
10.4 days - Average rainfall days in May:
12.2 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
12.7 days - Average rainfall days in August:
12.2 days - Average rainfall days in September:
9.6 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
5.7 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is January (4.9 days).
Average snowfall
Clark, NJ
The month with the highest snowfall is March (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Clark, NJ
- Average snowfall days in January:
3.8 days - Average snowfall days in February:
4.2 days - Average snowfall days in March:
3 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
2.8 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Clark, NJ
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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:
5h and 12min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Clark, NJ
- Average sunshine days in January:
22.6 days - Average sunshine days in February:
18.6 days - Average sunshine days in March:
18.7 days - Average sunshine days in April:
17.3 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
15.4 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
19.8 days - Average sunshine days in November:
22.4 days - Average sunshine days in December:
21.3 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (14.8 days).
Average UV index
Clark, 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
Clark, NJ
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility
Clark, 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).





