Climate and monthly weather forecast
Tarentum, PA

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Weather in January

January, like December, in Tarentum, Pennsylvania, is a wintry winter month, with an average temperature ranging between min 20.3°F (-6.5°C) and max 32.7°F (0.4°C). January, with average temperatures reaching a high of 32.7°F (0.4°C) and a low of 20.3°F (-6.5°C), is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Tarentum, Pennsylvania, with temperature in the range of an average high of 36.9°F (2.7°C) and an average low of 22.5°F (-5.3°C). The arrival of February coincides with an average high-temperature of a still wintry 36.9°F (2.7°C), indicating a minimal shift from January's 32.7°F (0.4°C). Weather in February »

Weather in March

March, the first month of the spring in Tarentum, is a frosty month, with temperature in the range of an average high of 47.1°F (8.4°C) and an average low of 30.6°F (-0.8°C). The start of March signals an increase in the average high-temperature, moving from a wintry 36.9°F (2.7°C) in February to a chilly 47.1°F (8.4°C). Weather in March »

Weather in April

April is a refreshing spring month in Tarentum, Pennsylvania, with an average temperature fluctuating between 40.5°F (4.7°C) and 59.9°F (15.5°C). The onset of April brings a rise in the average high-temperature, elevating from a frosty 47.1°F (8.4°C) in March to a moderate 59.9°F (15.5°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Tarentum, Pennsylvania, with an average temperature ranging between min 50.4°F (10.2°C) and max 71.2°F (21.8°C). May's onset is marked by a temperature increase, moving from a mild 59.9°F (15.5°C) in April to an agreeable 71.2°F (21.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Tarentum, Pennsylvania, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 78.4°F (25.8°C). The arrival of June witnesses a small shift in the average high-temperature, moving from a pleasant 71.2°F (21.8°C) in May to a warm 78.4°F (25.8°C). Weather in June »

Weather in July

July, like June, in Tarentum, Pennsylvania, is another warm summer month, with an average temperature varying between 82.9°F (28.3°C) and 61.3°F (16.3°C). July, with an average high of 82.9°F (28.3°C) and a low of 61.3°F (16.3°C), signifies the warmest month of the year. July's heat index is appraised at a hot 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Tarentum, Pennsylvania, with an average temperature ranging between min 59.9°F (15.5°C) and max 81.3°F (27.4°C). An average high-temperature of a still moderately hot 81.3°F (27.4°C) marks August, exhibiting a close resemblance to the conditions in July. Weather in August »

Weather in September

September, the first month of the autumn in Tarentum, is also a moderately hot month, with an average temperature ranging between max 74.8°F (23.8°C) and min 54.7°F (12.6°C). The arrival of September suggests a slight decrease in the average high-temperature, moving from a warm 81.3°F (27.4°C) in August to a still moderately hot 74.8°F (23.8°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Tarentum, Pennsylvania, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 61.3°F (16.3°C). Tarentum's transition into October involves a shift in temperature, receding from a warm 74.8°F (23.8°C) in September to an enjoyable 61.3°F (16.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Tarentum, is also a frosty month, with an average temperature fluctuating between 48.4°F (9.1°C) and 33.8°F (1°C). The shift from October to November involves a decrease in the average high-temperature, from a comfortable 61.3°F (16.3°C) to a chilly 48.4°F (9.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Tarentum, Pennsylvania, with an average temperature fluctuating between 38.7°F (3.7°C) and 27.5°F (-2.5°C). With the onset of December, Tarentum experiences a modest temperature adjustment, with the average high-temperature receding from a frosty 48.4°F (9.1°C) in November to a cold 38.7°F (3.7°C). Weather in December »
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January, characterized by an average high temperature of 32.7°F (0.4°C) and a low temperature of 20.3°F (-6.5°C), is generally the coldest month.

How many days does it rain?

In Tarentum, during the entire year, the rain falls for 185.5 days and collects up to 35.59" (904mm) of precipitation.

When does it snow in Tarentum?

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

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 18 days and typically aggregates up to 6.73" (171mm) of snow.

How many days does it snow?

Throughout the year, there are 63.1 snowfall days, and 25.12" (638mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 2.9h of sunshine.

What is the most humid month?

February is the most humid month, with an average relative humidity of 85%.

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 least humid month?

The months with the lowest humidity are April, July and August, with an average relative humidity of 76%.

What is the rainiest month?

The wettest months are April and May, with an average 3.66" (93mm) of rainfall.

When it does not snow?

In Tarentum, snow does not fall in June through September.

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 in Tarentum?

Tarentum's warmest month, July, registers temperatures that range from a high of 82.9°F (28.3°C) to a low of 61.3°F (16.3°C).

When is the highest UV index?

July is the month with the highest UV index, with an average maximum UV index of 6.

What month has the most sunshine?

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

What is the driest month?

The month with the least rainfall is November, when the rain falls for 12 days and typically collects 2.2" (56mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year in Tarentum, with an average of 9h and 18min of daylight.

What is the month with the lowest UV index?

The month with the lowest UV index in Tarentum is December, with an average maximum UV index of 1.

Average temperature
Tarentum, PA

Average temperature - Tarentum, PA

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure
Tarentum, PA

Average pressure - Tarentum, PA

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
Tarentum, PA

Average wind speed - Tarentum, PA

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity
Tarentum, PA

Average humidity - Tarentum, PA

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).

Average rainfall
Tarentum, PA

Average rainfall - Tarentum, PA

The wettest months (with the highest rainfall) are April and May (3.66").
The driest month (with the least rainfall) is November (2.2").

Average rainfall days
Tarentum, PA

Average rainfall days - Tarentum, PA

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (11.1 days).

Average snowfall
Tarentum, PA

Average snowfall - Tarentum, PA

The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Tarentum, PA

Average snowfall days - Tarentum, PA

The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Tarentum, PA

Average daylight / Average sunshine - Tarentum, 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 18min).

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days
Tarentum, PA

Average sunshine days - Tarentum, PA

The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.3 days).

Average visibility
Tarentum, PA

Average visibility - Tarentum, PA

The months with the highest visibility are April and August (6mi).
The months with the lowest visibility are January and February (4mi).

Tarentum, Pennsylvania, USA

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