Climate and monthly weather forecastLeolyn, PA
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Leolyn, Pennsylvania, with an average temperature varying between 28.8°F (-1.8°C) and 17.4°F (-8.1°C). January is the coldest month of the year, registering average temperatures as high as 28.8°F (-1.8°C) and as low as 17.4°F (-8.1°C). Weather in January »Weather in February
The last month of the winter, February, is an icy month in Leolyn, Pennsylvania, with an average temperature fluctuating between 19.2°F (-7.1°C) and 32.5°F (0.3°C). The arrival of February is marked by an average high-temperature of a wintry 32.5°F (0.3°C), bearing a close resemblance to January. Weather in February »Weather in March
The first month of the spring, March, is also a wintry month in Leolyn, Pennsylvania, with an average temperature fluctuating between 26.1°F (-3.3°C) and 41.5°F (5.3°C). The onset of March brings a temperature shift, with the average high-temperature moving from a wintry 32.5°F (0.3°C) in February to a still cold 41.5°F (5.3°C). Weather in March »Weather in April
April in Leolyn, Pennsylvania, is a fresh spring month, with an average temperature fluctuating between 54°F (12.2°C) and 35.8°F (2.1°C). The shift from March to April sees an increase in the average high-temperature, transitioning from a wintry 41.5°F (5.3°C) to a fresh 54°F (12.2°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Leolyn, Pennsylvania, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 66.7°F (19.3°C). With the onset of May, the average high-temperature slightly shifts from April's cool 54°F (12.2°C) to a comfortable 66.7°F (19.3°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Leolyn, Pennsylvania, with an average temperature ranging between max 74.8°F (23.8°C) and min 52.7°F (11.5°C). As Leolyn transitions into June, a marginal rise in the average high-temperature is observed, moving from an enjoyable 66.7°F (19.3°C) in May to a moderately hot 74.8°F (23.8°C). Weather in June »Weather in July
July, like June, in Leolyn, Pennsylvania, is a moderately hot summer month, with an average temperature fluctuating between 57.7°F (14.3°C) and 79.9°F (26.6°C). With average high temperatures of 79.9°F (26.6°C) and lows of 57.7°F (14.3°C), July is the warmest month. Weather in July »Weather in August
August, the last month of the summer in Leolyn, is also a moderately hot month, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 55.9°F (13.3°C). Leolyn, Pennsylvania, marks the arrival of August with an average high-temperature of a still moderately hot 77.2°F (25.1°C), hardly different from July's 79.9°F (26.6°C). Weather in August »Weather in September
September, the first month of the autumn in Leolyn, is still a pleasant month, with an average temperature ranging between min 50°F (10°C) and max 70.3°F (21.3°C). Start of September brings a slight shift in the average high-temperature, dipping a bit from August's warm 77.2°F (25.1°C) to a pleasant 70.3°F (21.3°C). Weather in September »Weather in October
October, the same as September, in Leolyn, Pennsylvania, is a moderate autumn month, with an average temperature fluctuating between 41.9°F (5.5°C) and 57.4°F (14.1°C). The start of October comes with a reduction in the average high-temperature, receding from a pleasant 70.3°F (21.3°C) in September to a moderate 57.4°F (14.1°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Leolyn, Pennsylvania, with an average temperature fluctuating between 44.8°F (7.1°C) and 30.7°F (-0.7°C). The onset of November results in a decrease in the average high-temperature, receding from a moderate 57.4°F (14.1°C) in October to a chilly 44.8°F (7.1°C). Weather in November »Weather in December
December, the first month of the winter in Leolyn, is also a wintry month, with an average temperature fluctuating between 34.7°F (1.5°C) and 25.5°F (-3.6°C). Leolyn's average high-temperature decreases in December, falling from a chilly 44.8°F (7.1°C) in November to an icy 34.7°F (1.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Leolyn, PA
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
Leolyn, 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
Leolyn, PA
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.3mph - 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:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
6mph - Average wind speed in October:
7.1mph - 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 (5.3mph).
Average humidity
Leolyn, PA
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (78%).
Average rainfall
Leolyn, PA
- Average rainfall in January:
1.77" - Average rainfall in February:
1.89" - Average rainfall in March:
2.17" - Average rainfall in April:
2.91" - Average rainfall in May:
2.76" - Average rainfall in June:
2.68"
- Average rainfall in July:
2.91" - Average rainfall in August:
2.48" - Average rainfall in September:
2.24" - Average rainfall in October:
2.87" - Average rainfall in November:
1.77" - Average rainfall in December:
2.09"
The wettest months (with the highest rainfall) are April and July (2.91").
The driest months (with the least rainfall) are January and November (1.77").
Average rainfall days
Leolyn, PA
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
13 days - Average rainfall days in April:
17.2 days - Average rainfall days in May:
19 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
15.6 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
15.4 days - Average rainfall days in November:
12.2 days - Average rainfall days in December:
12.5 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.6 days).
Average snowfall
Leolyn, PA
- Average snowfall in January:
6.06" - Average snowfall in February:
7.2" - Average snowfall in March:
4.76" - Average snowfall in April:
2.32" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Leolyn, PA
- Average snowfall days in January:
18.3 days - Average snowfall days in February:
16.7 days - Average snowfall days in March:
11.3 days - Average snowfall days in April:
4.4 days - Average snowfall days in May:
0.6 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:
0.9 days - Average snowfall days in November:
7.6 days - Average snowfall days in December:
15.1 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Leolyn, 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 18min - Average sunshine in April:
7h and 6min - 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 42min - Average sunshine in December:
3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days
Leolyn, PA
- Average sunshine days in January:
9.6 days - Average sunshine days in February:
7.7 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
9.2 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
10.5 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
12.9 days - Average sunshine days in September:
14 days - Average sunshine days in October:
11.9 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
8.9 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.7 days).
Average UV index
Leolyn, 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
Leolyn, PA
The months with the most cloud cover are January, February and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility
Leolyn, 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).





