Climate and monthly weather forecastPortersville, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Portersville, Pennsylvania, is another subzero cold winter month, with an average temperature varying between 19.2°F (-7.1°C) and 31.6°F (-0.2°C). January, with its average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 19.2°F (-7.1°C), holds the record as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Portersville, is an icy month, with an average temperature ranging between min 21°F (-6.1°C) and max 35.8°F (2.1°C). The advent of February sees the average high-temperature at a cold 35.8°F (2.1°C), subtly shifted from January's 31.6°F (-0.2°C). Weather in February »Weather in March
March, the first month of the spring in Portersville, is a frosty month, with an average temperature varying between 29.5°F (-1.4°C) and 46°F (7.8°C). March brings a rise in the average high-temperature, transitioning from February's icy 35.8°F (2.1°C) to a chilly 46°F (7.8°C). Weather in March »Weather in April
April in Portersville, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 58.6°F (14.8°C) and 39.6°F (4.2°C). The start of April brings a shift in the average high-temperature, increasing from March's frosty 46°F (7.8°C) to a refreshing 58.6°F (14.8°C). Weather in April »Weather in May
May, the last month of the spring in Portersville, is an agreeable month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 70.5°F (21.4°C). With the onset of May, Portersville sees a temperature rise, with the average high-temperature moving from April's moderate 58.6°F (14.8°C) to an agreeable 70.5°F (21.4°C). Weather in May »Weather in June
June, the first month of the summer in Portersville, is a moderately hot month, with an average temperature varying between 56.5°F (13.6°C) and 77.5°F (25.3°C). June's arrival brings a modest temperature shift, moving from a pleasant 70.5°F (21.4°C) in May to a warm 77.5°F (25.3°C). Weather in June »Weather in July
July, like June, in Portersville, Pennsylvania, is a moderately hot summer month, with an average temperature ranging between max 82.2°F (27.9°C) and min 60.6°F (15.9°C). July, recognised by an average high temperature of 82.2°F (27.9°C) and a low of 60.6°F (15.9°C), is Portersville's warmest month. In July, the average heat index is estimated at a hot 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Portersville, Pennsylvania, with an average temperature fluctuating between 59.5°F (15.3°C) and 80.2°F (26.8°C). Portersville, Pennsylvania, commences August with an average high-temperature of a still moderately hot 80.2°F (26.8°C), maintaining a close resemblance to the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Portersville, Pennsylvania, with an average temperature varying between 73.9°F (23.3°C) and 54.3°F (12.4°C). In Portersville, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's 80.2°F (26.8°C) to a still moderately hot 73.9°F (23.3°C). Weather in September »Weather in October
October, the same as September, in Portersville, Pennsylvania, is another refreshing autumn month, with an average temperature varying between 44.4°F (6.9°C) and 60.4°F (15.8°C). With October's onset, the weather shows a temperature decrease, transitioning from a moderately hot 73.9°F (23.3°C) in September to a refreshing 60.4°F (15.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Portersville, Pennsylvania, with an average temperature ranging between min 33.1°F (0.6°C) and max 47.5°F (8.6°C). Setting in of November comes with a decrease in the average high-temperature, moving from a moderate 60.4°F (15.8°C) in October to a chilly 47.5°F (8.6°C). Weather in November »Weather in December
December, the first month of the winter in Portersville, is also an icy month, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 26.8°F (-2.9°C). A moderate decline in the average high-temperature is seen during December, decreasing from a chilly 47.5°F (8.6°C) in November to a cold 37.9°F (3.3°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Portersville, PA
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.6°F).
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure
Portersville, PA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"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 (29.94"Hg).
Average wind speed
Portersville, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
7.7mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity
Portersville, PA
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June, July and August (78%).
Average rainfall
Portersville, PA
- Average rainfall in January:
2.68" - Average rainfall in February:
2.68" - Average rainfall in March:
2.68" - Average rainfall in April:
3.7" - Average rainfall in May:
3.43" - Average rainfall in June:
3.46"
- Average rainfall in July:
3.23" - Average rainfall in August:
2.48" - Average rainfall in September:
2.64" - Average rainfall in October:
3.27" - Average rainfall in November:
2.28" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days
Portersville, PA
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
10 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
17.9 days - Average rainfall days in May:
19.9 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
17.1 days - Average rainfall days in September:
15.2 days - Average rainfall days in October:
17.2 days - Average rainfall days in November:
11.7 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (9.4 days).
Average snowfall
Portersville, PA
The month with the highest snowfall is January (7.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Portersville, PA
- Average snowfall days in January:
19.1 days - Average snowfall days in February:
16.3 days - Average snowfall days in March:
9.6 days - Average snowfall days in April:
3.5 days - Average snowfall days in May:
0.4 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:
0.5 days - Average snowfall days in November:
6.5 days - Average snowfall days in December:
14.9 days
The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Portersville, PA
- 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:
2h and 36min - Average sunshine in February:
3h and 6min - Average sunshine in March:
5h and 12min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 30min - Average sunshine in December:
3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days
Portersville, PA
- Average sunshine days in January:
8 days - Average sunshine days in February:
6.6 days - Average sunshine days in March:
10.7 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
13.3 days - Average sunshine days in October:
12.1 days - Average sunshine days in November:
14 days - Average sunshine days in December:
8.6 days
The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (6.6 days).
Average UV index
Portersville, PA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Portersville, PA
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Portersville, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).





