Climate and monthly weather forecastWest Caldwell, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in West Caldwell, New Jersey, is a wintry winter month, with an average temperature varying between 34.9°F (1.6°C) and 22.6°F (-5.2°C). In West Caldwell, January records the lowest average temperatures, peaking at 34.9°F (1.6°C) and reaching a low of 22.6°F (-5.2°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in West Caldwell, New Jersey, with an average temperature varying between 38.3°F (3.5°C) and 24.4°F (-4.2°C). Entering February, West Caldwell's average high-temperature reads a still wintry 38.3°F (3.5°C), indicating a close resemblance to the previous month's climate. Weather in February »Weather in March
March, the first month of the spring in West Caldwell, is a chilly month, with an average temperature ranging between min 32°F (0°C) and max 46°F (7.8°C). March's onset witnesses a minor shift in the average high-temperature, moving from a wintry 38.3°F (3.5°C) in February to a frosty 46°F (7.8°C). Weather in March »Weather in April
April in West Caldwell, New Jersey, is a refreshing spring month, with an average temperature fluctuating between 58.5°F (14.7°C) and 42.3°F (5.7°C). April comes with an increase, with the average high-temperature moving from a frosty 46°F (7.8°C) in March to a moderate 58.5°F (14.7°C). Weather in April »Weather in May
May, the last month of the spring in West Caldwell, is a pleasant month, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 51.8°F (11°C). As West Caldwell transitions into May, the average high-temperature is observed to rise from a refreshing 58.5°F (14.7°C) in April to an agreeable 69.1°F (20.6°C). Weather in May »Weather in June
June, the first month of the summer in West Caldwell, is a warm month, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 59.9°F (15.5°C). The onset of June brings a minor temperature shift, with the average high-temperature moving from an agreeable 69.1°F (20.6°C) in May to a moderately hot 77.5°F (25.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in West Caldwell, New Jersey, with an average temperature ranging between max 83.8°F (28.8°C) and min 65.8°F (18.8°C). July is the warmest month, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 65.8°F (18.8°C). July's heat index is computed to be a hot 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in West Caldwell, is also a moderately hot month, with an average temperature ranging between min 64.9°F (18.3°C) and max 82°F (27.8°C). August notes an average high-temperature of a still warm 82°F (27.8°C), subtly differing from July's 83.8°F (28.8°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in West Caldwell, New Jersey, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 58.1°F (14.5°C). The onset of September is marked by a minor decrease in temperature, transitioning from 82°F (27.8°C) in August to a still warm 74.7°F (23.7°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in West Caldwell, New Jersey, with an average temperature fluctuating between 48.2°F (9°C) and 62.2°F (16.8°C). In West Caldwell, entering October brings a temperature decrement, reducing from September's warm 74.7°F (23.7°C) to a refreshing 62.2°F (16.8°C). Weather in October »Weather in November
November, the last month of the autumn in West Caldwell, is another cool month, with temperature in the range of an average high of 50.5°F (10.3°C) and an average low of 37°F (2.8°C). The start of November involves a temperature drop, moving from a refreshing 62.2°F (16.8°C) in October to a cool 50.5°F (10.3°C). Weather in November »Weather in December
December, the first month of the winter in West Caldwell, is still a cold month, with an average temperature fluctuating between 40.8°F (4.9°C) and 30.4°F (-0.9°C). December's arrival coincides with a drop in the average high-temperature, decreasing from November's fresh 50.5°F (10.3°C) to an icy 40.8°F (4.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
West Caldwell, 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 (34.9°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure
West Caldwell, NJ
- Average pressure in January:
30.06"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:
30.06"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
West Caldwell, NJ
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.7mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity
West Caldwell, NJ
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall
West Caldwell, NJ
- Average rainfall in January:
1.57" - Average rainfall in February:
1.61" - Average rainfall in March:
2.2" - Average rainfall in April:
2.24" - Average rainfall in May:
2.8" - Average rainfall in June:
2.6"
- Average rainfall in July:
3.15" - Average rainfall in August:
2.68" - Average rainfall in September:
1.69" - Average rainfall in October:
2.44" - Average rainfall in November:
1.93" - Average rainfall in December:
2.48"
The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days
West Caldwell, NJ
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
17.6 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall
West Caldwell, NJ
- Average snowfall in January:
1.89" - Average snowfall in February:
2.76" - Average snowfall in March:
3.58" - Average snowfall in April:
0.16" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
West Caldwell, NJ
- Average snowfall days in January:
6.6 days - Average snowfall days in February:
7 days - Average snowfall days in March:
5 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.1 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
4.4 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
West Caldwell, NJ
- Average daylight in January:
9h and 36min - 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 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
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
West Caldwell, NJ
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.7 days).
Average UV index
West Caldwell, 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
West Caldwell, NJ
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
West Caldwell, NJ
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





