Climate and monthly weather forecastShartlesville, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Shartlesville, Pennsylvania, with an average temperature varying between 21.6°F (-5.8°C) and 33.6°F (0.9°C). January is the coldest month, with an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 21.6°F (-5.8°C). Weather in January »Weather in February
February, the last month of the winter in Shartlesville, is another cold month, with an average temperature fluctuating between 37.2°F (2.9°C) and 23°F (-5°C). February's advent denotes a minor fluctuation in the average high-temperature to a still cold 37.2°F (2.9°C) from January's 33.6°F (0.9°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Shartlesville, Pennsylvania, with an average temperature varying between 46°F (7.8°C) and 30.4°F (-0.9°C). March's onset brings a minor rise in the average high-temperature, moving from a cold 37.2°F (2.9°C) in February to a chilly 46°F (7.8°C). Weather in March »Weather in April
April is a moderate spring month in Shartlesville, Pennsylvania, with an average temperature fluctuating between 58.6°F (14.8°C) and 40.3°F (4.6°C). The average high-temperature increases in April, moving from a frosty 46°F (7.8°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 Shartlesville, is a pleasant month, with an average temperature varying between 69.1°F (20.6°C) and 50.5°F (10.3°C). The commencement of May sees a shift in the average high-temperature, moving from a moderate 58.6°F (14.8°C) in April to a pleasant 69.1°F (20.6°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Shartlesville, Pennsylvania, with temperature in the range of an average high of 77°F (25°C) and an average low of 57.7°F (14.3°C). Entering June, Shartlesville notices a subtle temperature elevation, with the average high-temperature advancing from May's pleasant 69.1°F (20.6°C) to a warm 77°F (25°C). Weather in June »Weather in July
July, like June, in Shartlesville, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 82.4°F (28°C) and 62.6°F (17°C). In Shartlesville, July records the highest average temperatures, peaking at 82.4°F (28°C) and reaching a low of 62.6°F (17°C). During July, the heat index is computed to be a tropical 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Shartlesville, is another warm month, with an average temperature fluctuating between 61°F (16.1°C) and 80.2°F (26.8°C). Shartlesville's shift into August sets the average high-temperature at a still moderately hot 80.2°F (26.8°C), a figure that deviates only slightly from July's 82.4°F (28°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Shartlesville, Pennsylvania, with an average temperature fluctuating between 73.8°F (23.2°C) and 54.7°F (12.6°C). Shartlesville records a mild change in average high-temperature during September, easing from a warm 80.2°F (26.8°C) in August to a still moderately hot 73.8°F (23.2°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Shartlesville, Pennsylvania, with an average temperature ranging between max 61.3°F (16.3°C) and min 45.5°F (7.5°C). October is characterized by a reduction in the average high-temperature, from a warm 73.8°F (23.2°C) in September to a comfortable 61.3°F (16.3°C). Weather in October »Weather in November
November, the last month of the autumn in Shartlesville, is another chilly month, with an average temperature varying between 49.5°F (9.7°C) and 34.7°F (1.5°C). The onset of November comes with a shift in the average high-temperature, falling from a comfortable 61.3°F (16.3°C) in October to a frosty 49.5°F (9.7°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Shartlesville, Pennsylvania, with an average temperature fluctuating between 28.6°F (-1.9°C) and 40.1°F (4.5°C). In Shartlesville, the average high-temperature in December drops from a frosty 49.5°F (9.7°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
Shartlesville, PA
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.6°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Shartlesville, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"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:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.09"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
Shartlesville, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
8mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - 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:
7.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Shartlesville, PA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Shartlesville, PA
- Average rainfall in January:
2.01" - Average rainfall in February:
1.81" - Average rainfall in March:
2.17" - Average rainfall in April:
2.4" - Average rainfall in May:
2.64" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.87" - Average rainfall in September:
1.61" - Average rainfall in October:
2.17" - Average rainfall in November:
2.01" - Average rainfall in December:
2.01"
The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days
Shartlesville, PA
- Average rainfall days in January:
7.7 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
12.6 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.7 days).
Average snowfall
Shartlesville, PA
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Shartlesville, PA
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
7.1 days - Average snowfall days in March:
5 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 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:
0.8 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Shartlesville, 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 24min - 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 36min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 6min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days
Shartlesville, PA
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
14.9 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Shartlesville, 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
Shartlesville, PA
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility
Shartlesville, PA
The months with the highest visibility are January, March, April, June, July and November (6mi).
The months with the lowest visibility are February, May, August, September, October and December (5mi).





