Climate and monthly weather forecastHaddonfield, NJ
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Haddonfield, New Jersey, with an average temperature fluctuating between 25.5°F (-3.6°C) and 37.8°F (3.2°C). Haddonfield records the coldest temperatures in January, averaging a high of 37.8°F (3.2°C) and a low of 25.5°F (-3.6°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Haddonfield, New Jersey, with an average temperature fluctuating between 41.5°F (5.3°C) and 27.9°F (-2.3°C). During February, Haddonfield observes a subtle ascent to a still cold 41.5°F (5.3°C) from January's 37.8°F (3.2°C) in the average high-temperature. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Haddonfield, New Jersey, with temperature in the range of an average high of 49.8°F (9.9°C) and an average low of 35.2°F (1.8°C). March's onset witnesses a minor shift in the average high-temperature, moving from a cold 41.5°F (5.3°C) in February to a chilly 49.8°F (9.9°C). Weather in March »Weather in April
April in Haddonfield, New Jersey, is an enjoyable spring month, with an average temperature ranging between max 61.9°F (16.6°C) and min 45.1°F (7.3°C). As Haddonfield transitions into April, the average high-temperature is observed to rise from a frosty 49.8°F (9.9°C) in March to an enjoyable 61.9°F (16.6°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Haddonfield, New Jersey, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 55°F (12.8°C). May's onset is marked by a temperature increase, moving from a comfortable 61.9°F (16.6°C) in April to an agreeable 72.1°F (22.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Haddonfield, New Jersey, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 80.2°F (26.8°C). With the onset of June, Haddonfield experiences a subtle temperature shift, with the average high-temperature moving from a pleasant 72.1°F (22.3°C) in May to a moderately hot 80.2°F (26.8°C). Weather in June »Weather in July
July in Haddonfield, New Jersey, is a tropical summer month, with an average temperature varying between 69.4°F (20.8°C) and 86.5°F (30.3°C). Haddonfield's warmest weather arrives in July, when temperatures average a high of 86.5°F (30.3°C) and a low of 69.4°F (20.8°C). During July, the heat index is estimated at a torrid 96.8°F (36°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Haddonfield, New Jersey, with an average temperature varying between 84.2°F (29°C) and 68.5°F (20.3°C). August's onset records an average high-temperature of a moderately hot 84.2°F (29°C), a near match to July's 86.5°F (30.3°C). Weather in August »Weather in September
September, the first month of the autumn in Haddonfield, is still a warm month, with an average temperature ranging between min 61.3°F (16.3°C) and max 77°F (25°C). The arrival of September suggests a slight decrease in the average high-temperature, moving from 84.2°F (29°C) in August to a still moderately hot 77°F (25°C). Weather in September »Weather in October
October, like September, in Haddonfield, New Jersey, is another comfortable autumn month, with an average temperature fluctuating between 50.9°F (10.5°C) and 65.3°F (18.5°C). The transition into October involves a decrease in the average high-temperature, falling from a warm 77°F (25°C) in September to a refreshing 65.3°F (18.5°C). Weather in October »Weather in November
November, the last month of the autumn in Haddonfield, is another cool month, with an average temperature ranging between max 53.2°F (11.8°C) and min 39.4°F (4.1°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a refreshing 65.3°F (18.5°C) in October to a fresh 53.2°F (11.8°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Haddonfield, New Jersey, with an average temperature ranging between min 32.9°F (0.5°C) and max 44.2°F (6.8°C). December involves a decrease in temperature, down from a cool 53.2°F (11.8°C) in November to a frosty 44.2°F (6.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Haddonfield, NJ
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure
Haddonfield, NJ
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"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:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Haddonfield, NJ
- Average wind speed in January:
8.1mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.5mph - Average wind speed in May:
7mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.1mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.6mph
The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity
Haddonfield, NJ
The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (70%).
Average rainfall
Haddonfield, NJ
- Average rainfall in January:
0.67" - Average rainfall in February:
0.71" - Average rainfall in March:
0.94" - Average rainfall in April:
1.1" - Average rainfall in May:
1.26" - Average rainfall in June:
1.34"
- Average rainfall in July:
1.38" - Average rainfall in August:
1.46" - Average rainfall in September:
0.75" - Average rainfall in October:
0.83" - Average rainfall in November:
0.91" - Average rainfall in December:
1.1"
The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days
Haddonfield, NJ
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
13.7 days - Average rainfall days in June:
13.5 days
- Average rainfall days in July:
14.4 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
7.4 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (6.6 days).
Average snowfall
Haddonfield, NJ
- Average snowfall in January:
0.55" - Average snowfall in February:
0.79" - Average snowfall in March:
0.55" - Average snowfall in April:
0.12" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Haddonfield, NJ
- Average snowfall days in January:
3.6 days - Average snowfall days in February:
3 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.1 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:
0.2 days - Average snowfall days in December:
1.5 days
The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Haddonfield, 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 24min - 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 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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 24min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 30min - Average sunshine in December:
5h and 0min
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 48min).
Average sunshine days
Haddonfield, NJ
- Average sunshine days in January:
21.1 days - Average sunshine days in February:
18.4 days - Average sunshine days in March:
18 days - Average sunshine days in April:
16.2 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
14 days - Average sunshine days in August:
15.9 days - Average sunshine days in September:
17.8 days - Average sunshine days in October:
20.1 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
21.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (14 days).
Average UV index
Haddonfield, NJ
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Haddonfield, NJ
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility
Haddonfield, 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).





