Climate and monthly weather forecast
Campbelltown, PA

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Weather in January

January, the same as December, is an icy winter month in Campbelltown, Pennsylvania, with temperature in the range of an average low of 21.9°F (-5.6°C) and an average high of 34.2°F (1.2°C). January stands out as Campbelltown's coldest month, with temperatures ranging between an average high of 34.2°F (1.2°C) and a low of 21.9°F (-5.6°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Campbelltown, Pennsylvania, with an average temperature fluctuating between 23.5°F (-4.7°C) and 37.9°F (3.3°C). Campbelltown starts February with an average high-temperature of a still icy 37.9°F (3.3°C), a minor shift from January's 34.2°F (1.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Campbelltown, Pennsylvania, with an average temperature varying between 31.5°F (-0.3°C) and 46.9°F (8.3°C). March witnesses an increase in the average high-temperature, moving from an icy 37.9°F (3.3°C) in February to a frosty 46.9°F (8.3°C). Weather in March »

Weather in April

April in Campbelltown, Pennsylvania, is a moderate spring month, with an average temperature varying between 59.5°F (15.3°C) and 41.5°F (5.3°C). The arrival of April brings an increase in high-temperatures, moving from a frosty 46.9°F (8.3°C) in March to a moderate 59.5°F (15.3°C). Weather in April »

Weather in May

May, the last month of the spring in Campbelltown, is an agreeable month, with an average temperature fluctuating between 69.8°F (21°C) and 51.3°F (10.7°C). May's arrival sees a rise in the average high-temperature, jumping from April's refreshing 59.5°F (15.3°C) to a pleasant 69.8°F (21°C). Weather in May »

Weather in June

June, the first month of the summer in Campbelltown, is a moderately hot month, with an average temperature fluctuating between 58.6°F (14.8°C) and 77°F (25°C). As Campbelltown welcomes June, the average high-temperature displays a subtle shift, adjusting from a pleasant 69.8°F (21°C) in May to a warm 77°F (25°C). Weather in June »

Weather in July

July, like June, in Campbelltown, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 63.5°F (17.5°C) and 82.4°F (28°C). July, with its average high-temperature of 82.4°F (28°C) and an average low-temperature of 63.5°F (17.5°C), holds the record as the warmest month. Throughout July, the heat index is estimated at a tropical 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Campbelltown, Pennsylvania, with an average temperature ranging between max 80.2°F (26.8°C) and min 61.7°F (16.5°C). The onset of August notes an average high-temperature of a still warm 80.2°F (26.8°C), subtly shifted from July's 82.4°F (28°C). Weather in August »

Weather in September

September, the first month of the autumn in Campbelltown, is also a moderately hot month, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 74.3°F (23.5°C). The average high-temperature shows a slight dip in September, from August's warm 80.2°F (26.8°C) to a still moderately hot 74.3°F (23.5°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Campbelltown, Pennsylvania, with an average temperature ranging between max 61.9°F (16.6°C) and min 45.9°F (7.7°C). During Campbelltown's transition into October, the average high-temperature lessens, moving from a moderately hot 74.3°F (23.5°C) in September to a comfortable 61.9°F (16.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Campbelltown, is also a frosty month, with an average temperature ranging between max 49.8°F (9.9°C) and min 34.9°F (1.6°C). The shift from October to November involves a decrease in the average high-temperature, dropping from a refreshing 61.9°F (16.6°C) to a chilly 49.8°F (9.9°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Campbelltown, Pennsylvania, with an average temperature fluctuating between 41°F (5°C) and 29.5°F (-1.4°C). During the shift to December, a minor reduction in average high-temperature is observed, shifting from a frosty 49.8°F (9.9°C) in November to a wintry 41°F (5°C). Weather in December »
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January is Campbelltown's coldest month, registering average high temperatures of 34.2°F (1.2°C) and lows of 21.9°F (-5.6°C).

How many days does it rain?

In Campbelltown, during the entire year, the rain falls for 162.3 days and collects up to 30.71" (780mm) of precipitation.

When does it snow?

Months with snowfall are January through April, October through December.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 9 days and typically aggregates up to 3.94" (100mm) of snow.

How much does it snow?

Throughout the year, there are 27.8 snowfall days, and 13.23" (336mm) of snow is accumulated.

When is the lowest UV index?

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

What are the most humid months?

The months with the highest humidity are February and May, with an average relative humidity of 81%.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 4.5h of sunshine.

What are the least humid months?

March and April, with an average relative humidity of 76%, are the least humid months.

When is Daylight Saving Time (DST)?

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 is the wettest month?

May is the month with the most rainfall. Rain falls for 18.4 days and accumulates 3.15" (80mm) of precipitation.

When it does not snow?

In Campbelltown, snow does not fall in May through September.

What are the months with the highest UV index?

The months with the highest UV index are May through July, with an average maximum UV index of 6.

When are the longest days?

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

What is the warmest month?

July tends to be the warmest month in Campbelltown, with temperatures averaging a daily high of 82.4°F (28°C) and a low of 63.5°F (17.5°C).

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.5h of sunshine.

What is the driest month?

September is the month with the least rainfall in Campbelltown. Rain falls for 12 days and accumulates 2.05" (52mm) of precipitation.

What is the month with the shortest days?

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

Average temperature
Campbelltown, PA

Average temperature - Campbelltown, 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 (34.2°F).

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure
Campbelltown, PA

Average pressure - Campbelltown, PA

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
Campbelltown, PA

Average wind speed - Campbelltown, PA

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity
Campbelltown, PA

Average humidity - Campbelltown, PA

The months with the highest relative humidity are February and May (81%).
The months with the lowest relative humidity are March and April (76%).

Average rainfall
Campbelltown, PA

Average rainfall - Campbelltown, PA

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days
Campbelltown, PA

Average rainfall days - Campbelltown, PA

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).

Average snowfall
Campbelltown, PA

Average snowfall - Campbelltown, PA

The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Campbelltown, PA

Average snowfall days - Campbelltown, PA

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Campbelltown, PA

Average daylight / Average sunshine - Campbelltown, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days
Campbelltown, PA

Average sunshine days - Campbelltown, PA

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10 days).

Average UV index
Campbelltown, PA

Average UV index - Campbelltown, PA

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average visibility
Campbelltown, PA

Average visibility - Campbelltown, PA

The months with the highest visibility are January, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are February, May, September and October (5mi).

Campbelltown, Pennsylvania, USA

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