Climate and monthly weather forecast
Clarksville, PA

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Weather in January

January, like December, in Clarksville, Pennsylvania, is another cold winter month, with an average temperature fluctuating between 34.3°F (1.3°C) and 21.6°F (-5.8°C). With average high temperatures of 34.3°F (1.3°C) and lows of 21.6°F (-5.8°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Clarksville, Pennsylvania, with temperature in the range of an average high of 39°F (3.9°C) and an average low of 24.4°F (-4.2°C). The introduction of February sees an average high-temperature of a still icy 39°F (3.9°C), hardly deviating from January. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Clarksville, Pennsylvania, with an average temperature fluctuating between 48.9°F (9.4°C) and 32.2°F (0.1°C). As February gives way to March, the average high-temperature displays an increase, moving from a wintry 39°F (3.9°C) to a chilly 48.9°F (9.4°C). Weather in March »

Weather in April

April is an enjoyable spring month in Clarksville, Pennsylvania, with an average temperature fluctuating between 61.5°F (16.4°C) and 41.5°F (5.3°C). With the beginning of April, Clarksville's average high-temperature sees an increase, transitioning from a chilly 48.9°F (9.4°C) in March to an enjoyable 61.5°F (16.4°C). Weather in April »

Weather in May

May, the last month of the spring in Clarksville, is a pleasant month, with an average temperature varying between 51.4°F (10.8°C) and 72.5°F (22.5°C). The arrival of May brings an increase in high-temperatures, moving from an enjoyable 61.5°F (16.4°C) in April to an agreeable 72.5°F (22.5°C). Weather in May »

Weather in June

June, the first month of the summer in Clarksville, is a moderately hot month, with an average temperature varying between 79.3°F (26.3°C) and 57.7°F (14.3°C). The average high-temperature mildly increases in June, edging from a pleasant 72.5°F (22.5°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, like June, in Clarksville, Pennsylvania, is a moderately hot summer month, with an average temperature fluctuating between 83.3°F (28.5°C) and 61.7°F (16.5°C). Clarksville's warmest month, July, generally records average temperatures ranging from a high of 83.3°F (28.5°C) to a low of 61.7°F (16.5°C). For most parts of July, the heat index is calculated to be a tropical 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Clarksville, is also a moderately hot month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 82.2°F (27.9°C). August's presence marks an average high-temperature of a still warm 82.2°F (27.9°C), subtly varied from July's 83.3°F (28.5°C). Weather in August »

Weather in September

September, the first month of the autumn in Clarksville, is still a warm month, with an average temperature varying between 54.5°F (12.5°C) and 76.1°F (24.5°C). The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from 82.2°F (27.9°C) in August to a still moderately hot 76.1°F (24.5°C). Weather in September »

Weather in October

October, like September, in Clarksville, Pennsylvania, is another comfortable autumn month, with an average temperature varying between 45.3°F (7.4°C) and 62.8°F (17.1°C). October's arrival coincides with a drop in the average high-temperature, decreasing from September's warm 76.1°F (24.5°C) to a refreshing 62.8°F (17.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Clarksville, is also a fresh month, with temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 50.2°F (10.1°C). Clarksville's weather in November involves a decrease in the average high-temperature, moving down from October's refreshing 62.8°F (17.1°C) to a cool 50.2°F (10.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Clarksville, Pennsylvania, with an average temperature ranging between max 40.6°F (4.8°C) and min 28.9°F (-1.7°C). December's onset brings a reduction in the average high-temperature, from a cool 50.2°F (10.1°C) in November to a cold 40.6°F (4.8°C). Weather in December »
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Frequently asked questions

What month is the coldest in Clarksville?

January, with its average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.6°F (-5.8°C), holds the record as the coldest month.

What are the most humid months in Clarksville?

January and February, with an average relative humidity of 84%, are most humid months.

How much does it rain in Clarksville?

Throughout the year, there are 183 rainfall days, and 30.91" (785mm) of precipitation is accumulated.

When does it snow in Clarksville?

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

How many days does it snow in Clarksville?

In Clarksville, during the entire year, snow falls for 56.4 days and aggregates up to 20.35" (517mm) of snow.

What is the month with the least sunshine in Clarksville?

January has the least sunshine of the year, with an average of 3.1h of sunshine.

What are the months with the lowest UV index in Clarksville?

The months with the lowest UV index in Clarksville, Pennsylvania, are January, February, November and December, with an average maximum UV index of 2.

When does it snow the most in Clarksville?

The month with the most snowfall in Clarksville is February, when snow falls for 12.8 days and typically aggregates up to 5.35" (136mm) of snow.

When is Daylight Saving Time (DST) in Clarksville?

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 Clarksville?

April, July and August, with an average relative humidity of 77%, are the least humid months in Clarksville.

What is the rainiest month in Clarksville?

May is the month with the most rainfall. Rain falls for 20.7 days and accumulates 3.39" (86mm) of precipitation.

When is the highest UV index in Clarksville?

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

When it does not snow in Clarksville?

June through September are months without snowfall in Clarksville.

When are the longest days in Clarksville?

The month with the longest days in Clarksville is June, with an average of 15h and 0min of daylight.

What month is the hottest in Clarksville?

In Clarksville, Pennsylvania, the average highest temperatures are observed in July, with a high of 83.3°F (28.5°C) and a low of 61.7°F (16.5°C).

What month has the most sunshine in Clarksville?

August has the most sunshine of the year, with an average of 10.1h of sunshine.

What is the driest month in Clarksville?

November is the month with the least rainfall. Rain falls for 10.9 days and accumulates 1.77" (45mm) of precipitation.

What is the month with the shortest days in Clarksville?

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

Average temperature
Clarksville, PA

Average temperature - Clarksville, PA

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure
Clarksville, PA

Average pressure - Clarksville, PA

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Clarksville, PA

Average wind speed - Clarksville, PA

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

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Average humidity
Clarksville, PA

Average humidity - Clarksville, PA

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and August (77%).

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Average rainfall
Clarksville, PA

Average rainfall - Clarksville, PA

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is November (1.77").

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Average rainfall days
Clarksville, PA

Average rainfall days - Clarksville, PA

The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is February (10.6 days).

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Average snowfall
Clarksville, PA

Average snowfall - Clarksville, PA

The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Clarksville, PA

Average snowfall days - Clarksville, PA

The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Clarksville, PA

Average daylight / Average sunshine - Clarksville, 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 August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days
Clarksville, PA

Average sunshine days - Clarksville, PA

The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is February (7.5 days).

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Average UV index
Clarksville, PA

Average UV index - Clarksville, 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, November and December (UV index 2).

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Clarksville, Pennsylvania, USA

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