Climate and monthly weather forecastColley, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Colley, Pennsylvania, is another subzero cold winter month, with an average temperature varying between 18°F (-7.8°C) and 29.1°F (-1.6°C). Colley experiences its lowest average temperatures in January, reaching a peak of 29.1°F (-1.6°C) and a minimum of 18°F (-7.8°C). Weather in January »Weather in February
February, the last month of the winter in Colley, is an icy month, with temperature in the range of an average high of 33.1°F (0.6°C) and an average low of 19.8°F (-6.8°C). A minimal variation is noted in Colley's average high-temperature at the onset of February, reaching a cold 33.1°F (0.6°C) from January's 29.1°F (-1.6°C). Weather in February »Weather in March
The first month of the spring, March, is also a wintry month in Colley, Pennsylvania, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 26.2°F (-3.2°C). Colley's weather shows a minor temperature rise with the arrival of March, moving from 33.1°F (0.6°C) in February to a still cold 41.9°F (5.5°C). Weather in March »Weather in April
April is a cool spring month in Colley, Pennsylvania, with an average temperature varying between 36°F (2.2°C) and 54.1°F (12.3°C). Colley's April weather brings a rise in high-temperatures, moving from a cold 41.9°F (5.5°C) in March to a cool 54.1°F (12.3°C). Weather in April »Weather in May
May, the last month of the spring in Colley, is an enjoyable month, with an average temperature ranging between min 46.6°F (8.1°C) and max 67.6°F (19.8°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a fresh 54.1°F (12.3°C) in April to an enjoyable 67.6°F (19.8°C). Weather in May »Weather in June
June, the first month of the summer in Colley, is a warm month, with an average temperature varying between 75°F (23.9°C) and 52.7°F (11.5°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's refreshing 67.6°F (19.8°C) to a moderately hot 75°F (23.9°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Colley, Pennsylvania, with an average temperature fluctuating between 57.6°F (14.2°C) and 80.2°F (26.8°C). Colley's July weather reaches an average high of 80.2°F (26.8°C) and an average low of 57.6°F (14.2°C), making it the warmest month. Weather in July »Weather in August
August, the last month of the summer in Colley, is another warm month, with an average temperature fluctuating between 55.9°F (13.3°C) and 77.5°F (25.3°C). With the onset of August, a modest change to a still moderately hot 77.5°F (25.3°C) from July's 80.2°F (26.8°C) is noted in high-temperature. Weather in August »Weather in September
September, the first month of the autumn in Colley, is also an agreeable month, with an average temperature fluctuating between 50.2°F (10.1°C) and 70.7°F (21.5°C). A moderate decline in average high-temperatures is noted in September, moving from a warm 77.5°F (25.3°C) in August to a pleasant 70.7°F (21.5°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Colley, Pennsylvania, with an average temperature ranging between min 41.9°F (5.5°C) and max 57.9°F (14.4°C). Transition from September to October is accompanied by a temperature drop, with average high-temperatures decreasing from a pleasant 70.7°F (21.5°C) to a refreshing 57.9°F (14.4°C). Weather in October »Weather in November
November, the last month of the autumn in Colley, is also a frosty month, with an average temperature varying between 45.1°F (7.3°C) and 31.1°F (-0.5°C). Colley in November experiences a subtle temperature decline, with average high-temperatures reducing from a mild 57.9°F (14.4°C) in October to a frosty 45.1°F (7.3°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Colley, Pennsylvania, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 35.2°F (1.8°C). December's arrival comes with a decrease in the average high-temperature, moving from a frosty 45.1°F (7.3°C) in November to a wintry 35.2°F (1.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Colley, PA
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.1°F).
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Colley, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"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:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.07"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
Colley, PA
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8.2mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Colley, PA
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall
Colley, PA
- Average rainfall in January:
1.89" - Average rainfall in February:
1.97" - Average rainfall in March:
2.09" - Average rainfall in April:
2.83" - Average rainfall in May:
2.76" - Average rainfall in June:
2.56"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.72" - Average rainfall in September:
2.44" - Average rainfall in October:
2.76" - Average rainfall in November:
1.85" - Average rainfall in December:
2.13"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days
Colley, PA
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
18.1 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
15.2 days - Average rainfall days in November:
13 days - Average rainfall days in December:
12 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.5 days).
Average snowfall
Colley, PA
- Average snowfall in January:
5.75" - Average snowfall in February:
7.05" - Average snowfall in March:
4.29" - Average snowfall in April:
1.38" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Colley, PA
- Average snowfall days in January:
16.7 days - Average snowfall days in February:
16.1 days - Average snowfall days in March:
11.7 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:
0.7 days - Average snowfall days in November:
6.2 days - Average snowfall days in December:
13 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Colley, PA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - 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 12min
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 12min).
- Average sunshine in January:
3h and 18min - Average sunshine in February:
3h and 12min - Average sunshine in March:
5h and 12min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 6min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 24min - Average sunshine in October:
4h and 48min - Average sunshine in November:
4h and 36min - Average sunshine in December:
3h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days
Colley, PA
- Average sunshine days in January:
9.3 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
10.1 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
12.8 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
9.4 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (7.8 days).
Average UV index
Colley, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Colley, PA
The months with the most cloud cover are January, February and December (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility
Colley, PA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





