Climate and monthly weather forecastMonroeville, NJ
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Monroeville, New Jersey, with an average temperature varying between 26.8°F (-2.9°C) and 38.1°F (3.4°C). Monroeville's temperature records reveal January as the coldest month, marked by average highs of 38.1°F (3.4°C) and lows of 26.8°F (-2.9°C). Weather in January »Weather in February
February, the last month of the winter in Monroeville, is also an icy month, with temperature in the range of an average low of 28.6°F (-1.9°C) and an average high of 41.9°F (5.5°C). February welcomes an average high-temperature of a still cold 41.9°F (5.5°C), not much different from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Monroeville, is a cool month, with an average temperature fluctuating between 50.2°F (10.1°C) and 35.6°F (2°C). In Monroeville, the onset of March comes with a modest high-temperature shift, transitioning from February's wintry 41.9°F (5.5°C) to a fresh 50.2°F (10.1°C). Weather in March »Weather in April
April in Monroeville, New Jersey, is a refreshing spring month, with an average temperature fluctuating between 45.5°F (7.5°C) and 61.7°F (16.5°C). The start of April signals an increase in the average high-temperature, moving from a fresh 50.2°F (10.1°C) in March to a refreshing 61.7°F (16.5°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Monroeville, New Jersey, with an average temperature ranging between max 71.8°F (22.1°C) and min 55.2°F (12.9°C). An escalation in the average high-temperature is seen with the onset of May, moving from a refreshing 61.7°F (16.5°C) in April to an agreeable 71.8°F (22.1°C). Weather in May »Weather in June
June, the first month of the summer in Monroeville, is a warm month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 79.7°F (26.5°C). Monroeville's transition into June is noticed by a slight rise in the average high-temperature, advancing from an agreeable 71.8°F (22.1°C) in May to a moderately hot 79.7°F (26.5°C). Weather in June »Weather in July
July, like June, in Monroeville, New Jersey, is another warm summer month, with temperature in the range of an average low of 68.5°F (20.3°C) and an average high of 85.3°F (29.6°C). July is the month when Monroeville experiences its warmest temperatures, averaging a high of 85.3°F (29.6°C) and a low of 68.5°F (20.3°C). The heat index value for July is evaluated at a torrid 95°F (35°C). Weather in July »Weather in August
August, the last month of the summer in Monroeville, is also a moderately hot month, with an average temperature varying between 67.6°F (19.8°C) and 83.3°F (28.5°C). Monroeville experiences a recorded average high-temperature of a still moderately hot 83.3°F (28.5°C) in August, closely aligned with July's 85.3°F (29.6°C). Weather in August »Weather in September
September, the first month of the autumn in Monroeville, is also a moderately hot month, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 61.2°F (16.2°C). A modest decline in the average high-temperature is seen during September, decreasing 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, the same as September, is another enjoyable autumn month in Monroeville, New Jersey, with an average temperature ranging between max 65.3°F (18.5°C) and min 51.3°F (10.7°C). Arrival of October comes with a reduction in the average high-temperature, falling 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 another cool month in Monroeville, New Jersey, with an average temperature ranging between max 53.4°F (11.9°C) and min 40.1°F (4.5°C). Stepping into November, Monroeville observes a temperature decline, with the average high falling from October's refreshing 65.3°F (18.5°C) to a cool 53.4°F (11.9°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Monroeville, New Jersey, with an average temperature fluctuating between 32.9°F (0.5°C) and 44.2°F (6.8°C). The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a cool 53.4°F (11.9°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
Monroeville, NJ
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.1°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
Monroeville, 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
Monroeville, NJ
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.7mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.6mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity
Monroeville, NJ
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall
Monroeville, NJ
- Average rainfall in January:
2.09" - Average rainfall in February:
2.4" - Average rainfall in March:
2.87" - Average rainfall in April:
2.6" - Average rainfall in May:
2.52" - Average rainfall in June:
2.44"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.91" - Average rainfall in September:
1.73" - Average rainfall in October:
2.6" - Average rainfall in November:
2.32" - Average rainfall in December:
3.35"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Monroeville, NJ
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
12 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (8.8 days).
Average snowfall
Monroeville, NJ
- Average snowfall in January:
2.4" - Average snowfall in February:
2.36" - Average snowfall in March:
3.54" - Average snowfall in April:
0.08" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Monroeville, NJ
- Average snowfall days in January:
5.5 days - Average snowfall days in February:
4.7 days - Average snowfall days in March:
3.9 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:
0.5 days - Average snowfall days in December:
3 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Monroeville, 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 6min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 36min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Monroeville, NJ
- Average sunshine days in January:
18.2 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
13.5 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index
Monroeville, 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
Monroeville, NJ
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility
Monroeville, 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).





