Climate and monthly weather forecastBelleville, PA
Climate and monthly weather forecast
Weather in January
January, like December, in Belleville, Pennsylvania, is a wintry winter month, with an average temperature ranging between min 19.9°F (-6.7°C) and max 32.9°F (0.5°C). In Belleville, the lowest temperatures are generally noted in January, averaging a high of 32.9°F (0.5°C) and a low of 19.9°F (-6.7°C). Weather in January »Weather in February
February, the last month of the winter in Belleville, is another cold month, with temperature in the range of an average low of 21.9°F (-5.6°C) and an average high of 37°F (2.8°C). February brings an average high-temperature of a still wintry 37°F (2.8°C), nearly identical to the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Belleville, Pennsylvania, with an average temperature ranging between min 29.3°F (-1.5°C) and max 46.6°F (8.1°C). March's arrival coincides with a temperature rise, moving from February's cold 37°F (2.8°C) to a chilly 46.6°F (8.1°C). Weather in March »Weather in April
April is a refreshing spring month in Belleville, Pennsylvania, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 39.2°F (4°C). April witnesses an increase in the average high-temperature, moving from a chilly 46.6°F (8.1°C) in March to a mild 58.6°F (14.8°C). Weather in April »Weather in May
May, the last month of the spring in Belleville, is a pleasant month, with an average temperature ranging between min 49.3°F (9.6°C) and max 70.2°F (21.2°C). May brings a rise in Belleville's average high-temperature, moving from a refreshing 58.6°F (14.8°C) in April to an agreeable 70.2°F (21.2°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Belleville, Pennsylvania, with an average temperature varying between 78.1°F (25.6°C) and 55.8°F (13.2°C). June sees a marginal temperature increase, moving from an agreeable 70.2°F (21.2°C) in May to a warm 78.1°F (25.6°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Belleville, Pennsylvania, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 83.5°F (28.6°C). July is the month when Belleville experiences its warmest temperatures, averaging a high of 83.5°F (28.6°C) and a low of 60.8°F (16°C). July's average heat index is computed to be a tropical 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Belleville, Pennsylvania, with an average temperature ranging between min 58.5°F (14.7°C) and max 81.1°F (27.3°C). With the transition into August, Belleville notes an average high-temperature of a still warm 81.1°F (27.3°C), closely resembling July. Weather in August »Weather in September
September, the first month of the autumn in Belleville, is still a warm month, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 74.1°F (23.4°C). The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 81.1°F (27.3°C) to a still warm 74.1°F (23.4°C). Weather in September »Weather in October
October, like September, in Belleville, Pennsylvania, is another enjoyable autumn month, with an average temperature fluctuating between 43.7°F (6.5°C) and 61.5°F (16.4°C). October involves a decrease in temperature, down from a moderately hot 74.1°F (23.4°C) in September to an enjoyable 61.5°F (16.4°C). Weather in October »Weather in November
November, the last month of the autumn in Belleville, is another chilly month, with an average temperature ranging between min 32.9°F (0.5°C) and max 48.4°F (9.1°C). With the onset of November, Belleville's average high-temperature adjusts, receding from October's comfortable 61.5°F (16.4°C) to a frosty 48.4°F (9.1°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Belleville, Pennsylvania, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 39°F (3.9°C). Observing a mild shift, the average high-temperature during December reduces from November's chilly 48.4°F (9.1°C) to a wintry 39°F (3.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Belleville, PA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (32.9°F).
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure
Belleville, PA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Belleville, PA
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.3mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.4mph - Average wind speed in September:
4.8mph - Average wind speed in October:
6mph - Average wind speed in November:
6.4mph - Average wind speed in December:
7mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity
Belleville, PA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).
Average rainfall
Belleville, PA
- Average rainfall in January:
1.85" - Average rainfall in February:
1.89" - Average rainfall in March:
2.05" - Average rainfall in April:
2.99" - Average rainfall in May:
3.31" - Average rainfall in June:
2.56"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.64" - Average rainfall in September:
2.13" - Average rainfall in October:
2.4" - Average rainfall in November:
1.85" - Average rainfall in December:
2.17"
The wettest month (with the highest rainfall) is May (3.31").
The driest months (with the least rainfall) are January and November (1.85").
Average rainfall days
Belleville, PA
- Average rainfall days in January:
9.2 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
19.1 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
17 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
9 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.8 days).
Average snowfall
Belleville, PA
- Average snowfall in January:
4.49" - Average snowfall in February:
4.13" - Average snowfall in March:
3.11" - Average snowfall in April:
0.31" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Belleville, PA
- Average snowfall days in January:
10.9 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
5.6 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.2 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:
2.1 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Belleville, PA
- 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:
4h and 0min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 12min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Belleville, PA
- Average sunshine days in January:
15.2 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
14.9 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
16.6 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (10.4 days).
Average UV index
Belleville, PA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Belleville, PA
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Belleville, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





