Climate and monthly weather forecast
Pottstown, PA

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Weather in January

January, the same as December, is another cold winter month in Pottstown, Pennsylvania, with temperature in the range of an average high of 35.4°F (1.9°C) and an average low of 23.2°F (-4.9°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 another cold month, with an average temperature ranging between min 25°F (-3.9°C) and max 39.4°F (4.1°C). Pottstown sees the arrival of February with an average high-temperature of a still cold 39.4°F (4.1°C), indicating a subtle variation from January. Weather in February »

Weather in March

March, the first month of the spring in Pottstown, is a chilly month, with an average temperature fluctuating between 47.8°F (8.8°C) and 32.4°F (0.2°C). In Pottstown, the average high-temperature in March slightly increases from a wintry 39.4°F (4.1°C) in February to a chilly 47.8°F (8.8°C). Weather in March »

Weather in April

April is a moderate spring month in Pottstown, Pennsylvania, with an average temperature ranging between min 42.3°F (5.7°C) and max 60.3°F (15.7°C). The beginning of April marks a shift in the average high-temperature, moving from March's frosty 47.8°F (8.8°C) to a moderate 60.3°F (15.7°C). Weather in April »

Weather in May

May, the last month of the spring in Pottstown, is an agreeable month, with an average temperature fluctuating between 70.7°F (21.5°C) and 52.3°F (11.3°C). May's onset brings a temperature rise, moving from a mild 60.3°F (15.7°C) in April to a pleasant 70.7°F (21.5°C). Weather in May »

Weather in June

June, the first month of the summer in Pottstown, is a moderately hot month, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 78.6°F (25.9°C). In June, the meteorological conditions subtly change with the average high-temperature edging from an agreeable 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 another warm summer month in Pottstown, Pennsylvania, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 65.5°F (18.6°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 84.2°F (29°C) and a low of 65.5°F (18.6°C). The heat index for July is estimated at a hot 93.2°F (34°C). Weather in July »

Weather in August

August, the last month of the summer in Pottstown, is also a moderately hot month, with an average temperature varying between 63.9°F (17.7°C) and 81.9°F (27.7°C). The advent of August reveals an average high-temperature of a still moderately hot 81.9°F (27.7°C), showing minimal difference from the prior month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Pottstown, Pennsylvania, with an average temperature fluctuating between 57.2°F (14°C) and 75.2°F (24°C). The advent of September brings a slight shift in average high-temperature, moving from a moderately hot 81.9°F (27.7°C) in August to a still warm 75.2°F (24°C). Weather in September »

Weather in October

October, like September, in Pottstown, Pennsylvania, is another comfortable autumn month, with an average temperature varying between 63°F (17.2°C) and 47.5°F (8.6°C). A change in temperatures is noted as September gives way to October, with average highs reducing from a warm 75.2°F (24°C) to a refreshing 63°F (17.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Pottstown, Pennsylvania, with an average temperature ranging between min 37°F (2.8°C) and max 50.7°F (10.4°C). As November commences, the average high-temperature shows a reduction, transitioning from a refreshing 63°F (17.2°C) in October to a fresh 50.7°F (10.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Pottstown, Pennsylvania, with an average temperature fluctuating between 41.5°F (5.3°C) and 30.2°F (-1°C). December's arrival correlates with a reduction in the average high-temperature, down from a fresh 50.7°F (10.4°C) in November to a cold 41.5°F (5.3°C). Weather in December »
Updated: Feb 13, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What part of the year is the coldest in Pottstown?

January, having an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 23.2°F (-4.9°C), is the coldest month in Pottstown, Pennsylvania.

How much does it rain in Pottstown?

Throughout the year, in Pottstown, Pennsylvania, there are 146.5 rainfall days, and 27.87" (708mm) of precipitation is accumulated.

When does it snow in Pottstown?

January through April, November and December are months with snowfall.

How much does it snow in Pottstown?

In Pottstown, Pennsylvania, during the entire year, snow falls for 19.1 days and aggregates up to 11.54" (293mm) of snow.

What is the month with the lowest UV index in Pottstown?

The months with the lowest UV index in Pottstown are January through March, November and December, with an average maximum UV index of 2.

What is the most humid month in Pottstown?

February and October, with an average relative humidity of 80%, are most humid months in Pottstown.

What is the month with the least sunshine in Pottstown?

The month with the least sunshine in Pottstown, Pennsylvania, is February, with an average of 4.7h of sunshine.

What is the snowiest month in Pottstown?

The month with the most snowfall in Pottstown, Pennsylvania, is March, when snow falls for 4.5 days and typically aggregates up to 3.7" (94mm) of snow.

When is Daylight Saving Time (DST) in Pottstown?

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.

What are the least humid months in Pottstown?

April and July, with an average relative humidity of 75%, are the least humid months in Pottstown.

When it does not snow in Pottstown?

May through October are months without snowfall in Pottstown.

What are the months with the highest UV index in Pottstown?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Pottstown.

When are the longest days in Pottstown?

June has the longest days of the year in Pottstown, with an average of 15h and 0min of daylight.

What part of the year is the hottest in Pottstown?

July temperatures in Pottstown 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).

What month has the most sunshine in Pottstown?

The month with the most sunshine is July, with an average of 10.6h of sunshine.

What is the rainiest month in Pottstown?

August is the month with the most rainfall in Pottstown, Pennsylvania. Rain falls for 15.1 days and accumulates 3.15" (80mm) of precipitation.

What is the driest month in Pottstown?

The month with the least rainfall in Pottstown, Pennsylvania, is September, when the rain falls for 12.3 days and typically collects 1.81" (46mm) of precipitation.

What is the month with the shortest days in Pottstown?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Pottstown, PA

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 - Pottstown, PA

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 - Pottstown, PA

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

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 - Pottstown, PA

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 - Pottstown, PA

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

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 - Pottstown, PA

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 / Average sunshine - Pottstown, PA

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).

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 - Pottstown, PA

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

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 visibility
Pottstown, PA

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).

Pottstown, Pennsylvania, USA

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