Climate and monthly weather forecastPottstown, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Pottstown, Pennsylvania, with an average temperature fluctuating between 23.2°F (-4.9°C) and 35.4°F (1.9°C). Pottstown's January weather reaches an average high of 35.4°F (1.9°C) and an average low of 23.2°F (-4.9°C), making it the coldest month. Weather in January »Weather in February
February, the last month of the winter in Pottstown, is also an icy month, with temperature in the range of an average high of 39.4°F (4.1°C) and an average low of 25°F (-3.9°C). February reports an average high-temperature of a still cold 39.4°F (4.1°C), slightly varied from January's 35.4°F (1.9°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Pottstown, Pennsylvania, with an average temperature ranging between min 32.4°F (0.2°C) and max 47.8°F (8.8°C). With the onset of March, Pottstown experiences a subtle temperature shift, with the average high-temperature moving from a cold 39.4°F (4.1°C) in February to a frosty 47.8°F (8.8°C). Weather in March »Weather in April
April in Pottstown, Pennsylvania, is a refreshing spring month, with an average temperature varying between 60.3°F (15.7°C) and 42.3°F (5.7°C). April's arrival coincides with a rise in the average high-temperature, moving from March's chilly 47.8°F (8.8°C) to a moderate 60.3°F (15.7°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Pottstown, Pennsylvania, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 52.3°F (11.3°C). The start of May brings a shift in the average high-temperature, increasing from April's moderate 60.3°F (15.7°C) to an agreeable 70.7°F (21.5°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Pottstown, Pennsylvania, with an average temperature fluctuating between 78.6°F (25.9°C) and 60.1°F (15.6°C). The arrival of June witnesses a small shift in the average high-temperature, moving from a pleasant 70.7°F (21.5°C) in May to a warm 78.6°F (25.9°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Pottstown, Pennsylvania, with an average temperature varying between 65.5°F (18.6°C) and 84.2°F (29°C). July temperatures tend to peak at an average high of 84.2°F (29°C) and dip to a low of 65.5°F (18.6°C). The heat index value for July is estimated at a tropical 93.2°F (34°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Pottstown, Pennsylvania, with an average temperature varying between 63.9°F (17.7°C) and 81.9°F (27.7°C). The arrival of August records an average high-temperature of a still moderately hot 81.9°F (27.7°C), closely related to the 84.2°F (29°C) observed in July. Weather in August »Weather in September
September, the first month of the autumn in Pottstown, is also a moderately hot month, with an average temperature varying between 75.2°F (24°C) and 57.2°F (14°C). The shift from August to September includes a small decrease in the average high-temperature, from 81.9°F (27.7°C) to a still moderately hot 75.2°F (24°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Pottstown, Pennsylvania, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 47.5°F (8.6°C). October is characterized by a reduction in the average high-temperature, from a moderately hot 75.2°F (24°C) in September to a refreshing 63°F (17.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Pottstown, Pennsylvania, with an average temperature ranging between max 50.7°F (10.4°C) and min 37°F (2.8°C). November comes with a drop in the average high-temperature, falling from October's comfortable 63°F (17.2°C) to a cool 50.7°F (10.4°C). Weather in November »Weather in December
December, the first month of the winter in Pottstown, is also a wintry month, with an average temperature varying between 30.2°F (-1°C) and 41.5°F (5.3°C). The arrival of December corresponds with a temperature reduction, down from November's cool 50.7°F (10.4°C) to an icy 41.5°F (5.3°C). Weather in December »Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Pottstown experiences its lowest temperatures in January, with an average peak of 35.4°F (1.9°C) and a low of 23.2°F (-4.9°C).
Throughout the year, there are 146.5 rainfall days, and 27.87" (708mm) of precipitation is accumulated.
January through April, November and December are months with snowfall.
In Pottstown, during the entire year, snow falls for 19.1 days and aggregates up to 11.54" (293mm) of snow.
The months with the lowest UV index in Pottstown are January through March, November and December, with an average maximum UV index of 2.
February and October, with an average relative humidity of 80%, are most humid months.
With an average of 4.7h of sunshine, February has the least sunshine of the year.
March is the month with the most snowfall. Snow falls for 4.5 days and accumulates 3.7" (94mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
The months with the lowest humidity are April and July, with an average relative humidity of 75%.
In Pottstown, snow does not fall in May through October.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
With an average of 15h and 0min of daylight, June has the longest days of the year.
Temperature readings reach their annual highs in July, averaging 84.2°F (29°C) and a minimum average of 65.5°F (18.6°C).
With an average of 10.6h of sunshine, July has the most sunshine of the year.
August is the month with the most rainfall. Rain falls for 15.1 days and accumulates 3.15" (80mm) of precipitation.
September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.81" (46mm) of precipitation.
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Pottstown, PA
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure
Pottstown, 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:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"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
Pottstown, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.1mph - 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:
7mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Pottstown, PA
The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall
Pottstown, PA
- Average rainfall in January:
1.85" - Average rainfall in February:
1.85" - Average rainfall in March:
2.32" - Average rainfall in April:
2.28" - Average rainfall in May:
2.6" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.99" - Average rainfall in August:
3.15" - Average rainfall in September:
1.81" - Average rainfall in October:
2.13" - Average rainfall in November:
2.09" - Average rainfall in December:
2.32"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days
Pottstown, PA
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
17 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
9.5 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).
Average snowfall
Pottstown, PA
The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Pottstown, PA
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
4.5 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Pottstown, 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:
4h and 48min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Pottstown, PA
- Average sunshine days in January:
18.7 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
15.2 days - Average sunshine days in April:
14 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
21 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).
Average UV index
Pottstown, PA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Pottstown, PA
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Pottstown, PA
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
