Climate and monthly weather forecastHarrisonville, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in Harrisonville, New Jersey, is an icy winter month, with temperature in the range of an average low of 26.8°F (-2.9°C) and an average high of 37.9°F (3.3°C). January is Harrisonville's coldest month, registering average high temperatures of 37.9°F (3.3°C) and lows of 26.8°F (-2.9°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Harrisonville, New Jersey, with an average temperature ranging between max 41.7°F (5.4°C) and min 28.8°F (-1.8°C). Harrisonville registers an average high-temperature of a still icy 41.7°F (5.4°C) with the arrival of February, showing minor deviation from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Harrisonville, New Jersey, with an average temperature ranging between max 50.2°F (10.1°C) and min 35.2°F (1.8°C). Harrisonville's transition into March is marked by a minor temperature shift, moving from a wintry 41.7°F (5.4°C) in February to a fresh 50.2°F (10.1°C). Weather in March »Weather in April
April is a comfortable spring month in Harrisonville, New Jersey, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 45.9°F (7.7°C). The start of April signals an increase in the average high-temperature, moving from a cool 50.2°F (10.1°C) in March to a comfortable 61.9°F (16.6°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Harrisonville, New Jersey, with an average temperature varying between 55°F (12.8°C) and 71.8°F (22.1°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from an enjoyable 61.9°F (16.6°C) in April to an agreeable 71.8°F (22.1°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Harrisonville, New Jersey, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.1°F (17.3°C). June sees a marginal temperature increase, moving from an agreeable 71.8°F (22.1°C) in May to a moderately hot 79.9°F (26.6°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Harrisonville, New Jersey, with temperature in the range of an average high of 85.1°F (29.5°C) and an average low of 68.5°F (20.3°C). Harrisonville's temperatures peak on average in July, reaching 85.1°F (29.5°C) at their highest and 68.5°F (20.3°C) at their lowest. The heat index for July is estimated at a torrid 95°F (35°C). Weather in July »Weather in August
August, the last month of the summer in Harrisonville, is also a moderately hot month, with temperature in the range of an average low of 67.5°F (19.7°C) and an average high of 83.3°F (28.5°C). August registers an average high-temperature of a still moderately hot 83.3°F (28.5°C), slightly varied from July's 85.1°F (29.5°C). Weather in August »Weather in September
September, the first month of the autumn in Harrisonville, is also a moderately hot month, with an average temperature varying between 76.5°F (24.7°C) and 61.2°F (16.2°C). September signifies a minor drop in average high-temperature, transitioning from a warm 83.3°F (28.5°C) in August to a still moderately hot 76.5°F (24.7°C). Weather in September »Weather in October
October, like September, in Harrisonville, New Jersey, is another enjoyable autumn month, with temperature in the range of an average high of 65.3°F (18.5°C) and an average low of 51.4°F (10.8°C). In October, the average high-temperature decreases from a warm 76.5°F (24.7°C) in September to a comfortable 65.3°F (18.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Harrisonville, New Jersey, with an average temperature varying between 40.1°F (4.5°C) and 53.4°F (11.9°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's enjoyable 65.3°F (18.5°C) to a fresh 53.4°F (11.9°C). Weather in November »Weather in December
December, the first month of the winter in Harrisonville, is also a frosty month, with an average temperature ranging between max 44.4°F (6.9°C) and min 33.3°F (0.7°C). As November transitions into December, Harrisonville sees a drop in the average high-temperature, transitioning from a cool 53.4°F (11.9°C) to a frosty 44.4°F (6.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Harrisonville, NJ
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure
Harrisonville, NJ
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"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
Harrisonville, NJ
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.7mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.1mph - Average wind speed in October:
7.4mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8mph
The windiest months (with the highest average wind speed) are March and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Harrisonville, NJ
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Harrisonville, NJ
- Average rainfall in January:
0.94" - Average rainfall in February:
1.06" - Average rainfall in March:
1.22" - Average rainfall in April:
1.26" - Average rainfall in May:
1.34" - Average rainfall in June:
1.46"
- Average rainfall in July:
1.77" - Average rainfall in August:
1.93" - Average rainfall in September:
0.98" - Average rainfall in October:
1.02" - Average rainfall in November:
1.06" - Average rainfall in December:
1.5"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days
Harrisonville, NJ
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
12 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
7.7 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is November (7.5 days).
Average snowfall
Harrisonville, NJ
The month with the highest snowfall is January (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Harrisonville, NJ
- Average snowfall days in January:
3.6 days - Average snowfall days in February:
3.5 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0.2 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 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
2 days
The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Harrisonville, 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:
14h and 54min
- Average daylight in July:
14h and 36min - 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: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 36min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Harrisonville, NJ
- Average sunshine days in January:
20.6 days - Average sunshine days in February:
17.4 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
20.9 days
The months with the most sunshine days are November and December (20.9 days).
The month with the least sunshine days is July (13.4 days).
Average UV index
Harrisonville, 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
Harrisonville, NJ
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Harrisonville, 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).





