Pittsburgh
Pennsylvania, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Pittsburgh, PA

A beautiful dusk panorama of Pittsburgh, Pennsylvania, with the river and several bridges
A beautiful dusk panorama of Pittsburgh, Pennsylvania, with the river and several bridges
January, like December, in Pittsburgh, Pennsylvania, is a wintry winter month, with temperature in the range of an average high of 35.8°F (2.1°C) and an average low of 21°F (-6.1°C). The coldest month is January, with an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 21°F (-6.1°C). Weather in January »
February, the last month of the winter, in Pittsburgh, is another cold month, with average temperature varying between 23°F (-5°C) and 39.4°F (4.1°C). In February, the average high-temperature is practically the same as in January - a still wintry 39.4°F (4.1°C). Weather in February »

The first month of the spring, March, is a frosty month in Pittsburgh, Pennsylvania, with temperature in the range of an average high of 49.3°F (9.6°C) and an average low of 30°F (-1.1°C). In March, the average high-temperature increases, from a wintry 39.4°F (4.1°C) in February, to a frosty 49.3°F (9.6°C). Weather in March »

April is an enjoyable spring month in Pittsburgh, Pennsylvania, with average temperature varying between 61.7°F (16.5°C) and 40.3°F (4.6°C). In April, the average high-temperature rises, from a frosty 49.3°F (9.6°C) in March, to an enjoyable 61.7°F (16.5°C). Weather in April »

May, the last month of the spring, in Pittsburgh, is a pleasant month, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 49.3°F (9.6°C). In Pittsburgh, Pennsylvania, the average high-temperature in May increases, from a comfortable 61.7°F (16.5°C) in April, to an agreeable 70.9°F (21.6°C). Weather in May »

June, the first month of the summer, in Pittsburgh, is a moderately hot month, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 58.5°F (14.7°C). In June, the average high-temperature marginally rises, from an agreeable 70.9°F (21.6°C) in May, to a warm 79.2°F (26.2°C). Weather in June »

July, the same as June, is a moderately hot summer month in Pittsburgh, Pennsylvania, with average temperature ranging between min 62.8°F (17.1°C) and max 82.6°F (28.1°C). The warmest month is July, with an average high-temperature of 82.6°F (28.1°C) and an average low-temperature of 62.8°F (17.1°C). Weather in July »

August, the last month of the summer, in Pittsburgh, is also a moderately hot month, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 61.5°F (16.4°C). In Pittsburgh, the average high-temperature is relatively the same as in July - a still warm 81.3°F (27.4°C). Weather in August »

September, the first month of the autumn, in Pittsburgh, is still a warm month, with average temperature ranging between min 54°F (12.2°C) and max 74.3°F (23.5°C). In September, the average high-temperature marginally drops, from a moderately hot 81.3°F (27.4°C) in August, to a still warm 74.3°F (23.5°C). Weather in September »

October, like September, in Pittsburgh, Pennsylvania, is another comfortable autumn month, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 43°F (6.1°C). In October, the average high-temperature decreases, from a warm 74.3°F (23.5°C) in September, to an enjoyable 62.6°F (17°C). Weather in October »

November, the last month of the autumn, in Pittsburgh, is another cool month, with average temperature ranging between min 34.7°F (1.5°C) and max 51.3°F (10.7°C). In Pittsburgh, the average high-temperature drops, from a comfortable 62.6°F (17°C) in October, to a cool 51.3°F (10.7°C). Weather in November »

The first month of the winter, December, is still a cold month in Pittsburgh, Pennsylvania, with average temperature ranging between min 25.3°F (-3.7°C) and max 39.4°F (4.1°C). In December, the average high-temperature drops, from a cool 51.3°F (10.7°C) in November, to a wintry 39.4°F (4.1°C). Weather in December »

What is the coldest month in Pittsburgh?

With an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 21°F (-6.1°C), January is the coldest month in Pittsburgh.

How much does it rain in Pittsburgh?

Throughout the year, there are 151.2 rainfall days, and 38.2" (970mm) of precipitation is accumulated.

When does it snow in Pittsburgh?

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

How many days does it snow in Pittsburgh?

In Pittsburgh, Pennsylvania, during the entire year, snow falls for 39.4 days, and aggregates up to 41.4" (1051.6mm) of snow.

When does it snow the most in Pittsburgh?

The month with the most snowfall is January when snow falls for 11.4 days and typically aggregates up to 11.5" (292.1mm) of snow.

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

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Pittsburgh.

What is the least humid month in Pittsburgh?

With an average relative humidity of 59.8%, April is the least humid month in Pittsburgh.

What is the wettest month in Pittsburgh?

The month with the most rainfall in Pittsburgh is June when the rain falls for 12.1 days and typically aggregates up to 4.3" (109.2mm) of precipitation.

When are the longest days in Pittsburgh?

June has the longest days of the year in Pittsburgh, Pennsylvania, with an average of 15h of daylight.

What is the month with the highest UV index in Pittsburgh?

Months with the highest UV index in Pittsburgh are June and July, with an average maximum UV index of 9.

What is the warmest month in Pittsburgh?

July is the warmest month in Pittsburgh, Pennsylvania, with an average high-temperature of 82.6°F (28.1°C) and an average low-temperature of 62.8°F (17.1°C).

What month has the most sunshine in Pittsburgh?

July has the most sunshine of the year in Pittsburgh, Pennsylvania, with an average of 8.2h of sunshine.

What is the most humid month in Pittsburgh?

With an average relative humidity of 72%, September is the most humid month.

What is the driest month in Pittsburgh?

October is the month with the least rainfall. Rain falls for 10.5 days and accumulates 2.3" (58.2mm) of precipitation.

What is the month with the shortest days in Pittsburgh?

The month with the shortest days is December, with an average of 9.3h of daylight.

What is the month with the least sunshine in Pittsburgh?

The month with the least sunshine is December, with an average of 2.4h of sunshine.
Average temperature - Pittsburgh, PA
Average humidity - Pittsburgh, PA
Average rainfall - Pittsburgh, PA
Average rainfall days - Pittsburgh, PA

The month with the highest number of rainy days is January (16.2 days).
Months with the lowest number of rainy days are August and September (9.8 days).

Average snowfall - Pittsburgh, PA
Average snowfall days - Pittsburgh, PA

The month with the highest number of snowfall days is January (11.4 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine - Pittsburgh, PA