Climate and monthly weather forecastIsabella, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Isabella, Pennsylvania, with temperature in the range of an average low of 21.2°F (-6°C) and an average high of 34.3°F (1.3°C). With an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.2°F (-6°C), January is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Isabella, is also an icy month, with an average temperature fluctuating between 24.3°F (-4.3°C) and 39°F (3.9°C). In February, Isabella experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 34.3°F (1.3°C) in January to a still wintry 39°F (3.9°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Isabella, Pennsylvania, with an average temperature ranging between min 31.5°F (-0.3°C) and max 48.6°F (9.2°C). Isabella sees an increase in the average high-temperature with the arrival of March, moving from February's icy 39°F (3.9°C) to a chilly 48.6°F (9.2°C). Weather in March »Weather in April
April in Isabella, Pennsylvania, is an enjoyable spring month, with an average temperature ranging between min 41.2°F (5.1°C) and max 60.8°F (16°C). April's onset witnesses a shift in the average high-temperature, moving from a frosty 48.6°F (9.2°C) in March to a refreshing 60.8°F (16°C). Weather in April »Weather in May
May, the last month of the spring in Isabella, is an agreeable month, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 51.1°F (10.6°C). The rise of average high-temperatures is seen in May, with an increase from an enjoyable 60.8°F (16°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 moderately hot month in Isabella, Pennsylvania, with an average temperature ranging between max 78.6°F (25.9°C) and min 57.4°F (14.1°C). The beginning of June signals a minor rise in the average high-temperature, moving from a pleasant 72.1°F (22.3°C) in May to a moderately hot 78.6°F (25.9°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Isabella, Pennsylvania, with temperature in the range of an average high of 83.1°F (28.4°C) and an average low of 61.2°F (16.2°C). In Isabella, the peak average temperatures are observed in July, with a high of 83.1°F (28.4°C) and a low of 61.2°F (16.2°C). July's average heat index is calculated to be a tropical 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Isabella, Pennsylvania, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 59°F (15°C). The advent of August signifies a minor shift to an average high-temperature of a still moderately hot 81.9°F (27.7°C), aligning closely with July. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Isabella, Pennsylvania, with an average temperature varying between 75.6°F (24.2°C) and 54.5°F (12.5°C). September marks a gentle change in average high-temperature, declining from August's moderately hot 81.9°F (27.7°C) to a still warm 75.6°F (24.2°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Isabella, Pennsylvania, with an average temperature ranging between min 45°F (7.2°C) and max 62.4°F (16.9°C). The move into October indicates a reduction in the average high-temperature, down from September's moderately hot 75.6°F (24.2°C) to a refreshing 62.4°F (16.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Isabella, Pennsylvania, with an average temperature ranging between min 34°F (1.1°C) and max 50°F (10°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's enjoyable 62.4°F (16.9°C) to a cool 50°F (10°C). Weather in November »Weather in December
December, the first month of the winter in Isabella, is also a wintry month, with an average temperature fluctuating between 40.1°F (4.5°C) and 28.8°F (-1.8°C). The decrease of average high-temperatures is mild in December, with a decline from a fresh 50°F (10°C) in November to a cold 40.1°F (4.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Isabella, PA
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.3°F).
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure
Isabella, PA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"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:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Isabella, PA
- Average wind speed in January:
7.8mph - Average wind speed in February:
7.7mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.6mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.6mph - Average wind speed in September:
5mph - Average wind speed in October:
6.1mph - Average wind speed in November:
6.6mph - Average wind speed in December:
7.2mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity
Isabella, PA
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July, August and November (77%).
Average rainfall
Isabella, PA
- Average rainfall in January:
0.47" - Average rainfall in February:
0.51" - Average rainfall in March:
0.47" - Average rainfall in April:
0.59" - Average rainfall in May:
0.71" - Average rainfall in June:
0.63"
- Average rainfall in July:
0.55" - Average rainfall in August:
0.51" - Average rainfall in September:
0.28" - Average rainfall in October:
0.51" - Average rainfall in November:
0.35" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days
Isabella, PA
- Average rainfall days in January:
4.7 days - Average rainfall days in February:
4 days - Average rainfall days in March:
7.6 days - Average rainfall days in April:
8.8 days - Average rainfall days in May:
9.7 days - Average rainfall days in June:
8.4 days
- Average rainfall days in July:
9.8 days - Average rainfall days in August:
8.6 days - Average rainfall days in September:
6.1 days - Average rainfall days in October:
5.6 days - Average rainfall days in November:
4.3 days - Average rainfall days in December:
5 days
The month with the highest number of rainy days is July (9.8 days).
The month with the least rainy days is February (4 days).
Average snowfall
Isabella, PA
The months with the highest snowfall are February and December (0.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Isabella, PA
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
3.9 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.8 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:
0.2 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
3.6 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Isabella, 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 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:
3h and 0min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 24min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days
Isabella, PA
- Average sunshine days in January:
22.8 days - Average sunshine days in February:
20.9 days - Average sunshine days in March:
21.4 days - Average sunshine days in April:
18.8 days - Average sunshine days in May:
17.6 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
18 days - Average sunshine days in August:
18.7 days - Average sunshine days in September:
21.5 days - Average sunshine days in October:
22.2 days - Average sunshine days in November:
23.2 days - Average sunshine days in December:
22.4 days
The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is June (17.3 days).
Average UV index
Isabella, PA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Isabella, PA
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Isabella, PA
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





