Climate and monthly weather forecast
Petersburg, PA

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Weather in January

January, like December, is a freezing cold winter month in Petersburg, Pennsylvania, with an average temperature varying between 19.8°F (-6.8°C) and 31.6°F (-0.2°C). January is the coldest month, with an average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 19.8°F (-6.8°C). Weather in January »

Weather in February

The last month of the winter, February, is an icy month in Petersburg, Pennsylvania, with an average temperature fluctuating between 36°F (2.2°C) and 21.6°F (-5.8°C). Welcoming February, Petersburg notes an average high-temperature of a wintry 36°F (2.2°C), nearly consistent with January's 31.6°F (-0.2°C). Weather in February »

Weather in March

March, the first month of the spring in Petersburg, is a chilly month, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 28.9°F (-1.7°C). March's arrival brings a temperature shift, moving from a cold 36°F (2.2°C) in February to a frosty 45.1°F (7.3°C). Weather in March »

Weather in April

April is a mild spring month in Petersburg, Pennsylvania, with an average temperature ranging between max 57.9°F (14.4°C) and min 39°F (3.9°C). April brings a rise in the average high-temperature, transitioning from March's frosty 45.1°F (7.3°C) to a moderate 57.9°F (14.4°C). Weather in April »

Weather in May

May, the last month of the spring in Petersburg, is a pleasant month, with an average temperature ranging between min 48.7°F (9.3°C) and max 69.4°F (20.8°C). The average high-temperature increases in May, moving from a moderate 57.9°F (14.4°C) in April to a pleasant 69.4°F (20.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Petersburg, Pennsylvania, with an average temperature ranging between max 77.4°F (25.2°C) and min 54.9°F (12.7°C). June's arrival brings a modest temperature shift, moving from a pleasant 69.4°F (20.8°C) in May to a moderately hot 77.4°F (25.2°C). Weather in June »

Weather in July

July, like June, in Petersburg, Pennsylvania, is a moderately hot summer month, with temperature in the range of an average low of 59.4°F (15.2°C) and an average high of 82.2°F (27.9°C). In Petersburg, the month of July is known for its highest average temperatures, reaching a high of 82.2°F (27.9°C) and a low of 59.4°F (15.2°C). July's heat index is estimated at a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Petersburg, Pennsylvania, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 57.6°F (14.2°C). As Petersburg transitions into August, the average high-temperature stands at a still warm 80.2°F (26.8°C), offering little variation from the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Petersburg, Pennsylvania, with an average temperature fluctuating between 72.5°F (22.5°C) and 52.3°F (11.3°C). In September, the average high-temperature marginally decreases from a warm 80.2°F (26.8°C) in August to a pleasant 72.5°F (22.5°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Petersburg, Pennsylvania, with an average temperature ranging between max 60.6°F (15.9°C) and min 43.7°F (6.5°C). Petersburg's October weather shows a moderate shift in high-temperatures, falling from September's agreeable 72.5°F (22.5°C) to a moderate 60.6°F (15.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Petersburg, is another chilly month, with an average temperature ranging between max 47.3°F (8.5°C) and min 32.9°F (0.5°C). Start of November brings a shift in the average high-temperature, falling from October's refreshing 60.6°F (15.9°C) to a frosty 47.3°F (8.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Petersburg, Pennsylvania, with an average temperature ranging between min 27.3°F (-2.6°C) and max 37.6°F (3.1°C). Petersburg's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 47.3°F (8.5°C) to a cold 37.6°F (3.1°C). Weather in December »

Frequently asked questions

What is the coldest time of year?

January, known for its average high temperature of 31.6°F (-0.2°C) and an average low temperature of 19.8°F (-6.8°C), is the coldest month.

How many days does it rain?

Throughout the year, there are 166.2 rainfall days, and 23.86" (606mm) of precipitation is accumulated.

When does it snow?

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

What is the snowiest month?

January is the month with the most snowfall in Petersburg. Snow falls for 15 days and accumulates 4.49" (114mm) of snow.

How many days does it snow?

Throughout the year, there are 50 snowfall days, and 16.77" (426mm) of snow is accumulated.

What is the month with the least sunshine in Petersburg?

With an average of 3.8h of sunshine, January has the least sunshine of the year.

What is the most humid month?

The most humid month in Petersburg is February, with an average relative humidity of 84%.

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 rainiest month?

May is the month with the most rainfall. Rain falls for 17.8 days and accumulates 2.72" (69mm) of precipitation.

When it does not snow?

In Petersburg, 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.

When is the highest UV index?

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

What are the warmest months?

July, with its high-temperature average of 82.2°F (27.9°C) and a low-temperature average of 59.4°F (15.2°C), is the warmest month.

What is the least humid month?

With an average relative humidity of 76%, July is the least humid month.

What month has the most sunshine in Petersburg?

July has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the driest month in Petersburg?

The month with the least rainfall is November, when the rain falls for 11.4 days and typically collects 1.5" (38mm) of precipitation.

What is the month with the shortest days?

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

When is the lowest UV index?

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

Average temperature
Petersburg, PA

Average temperature - Petersburg, PA

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.6°F).

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure
Petersburg, PA

Average pressure - Petersburg, 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
Petersburg, PA

Average wind speed - Petersburg, PA

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity
Petersburg, PA

Average humidity - Petersburg, PA

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (76%).

Average rainfall
Petersburg, PA

Average rainfall - Petersburg, PA

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.5").

Average rainfall days
Petersburg, PA

Average rainfall days - Petersburg, PA

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (10.3 days).

Average snowfall
Petersburg, PA

Average snowfall - Petersburg, PA

The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Petersburg, PA

Average snowfall days - Petersburg, PA

The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Petersburg, PA

Average daylight / Average sunshine - Petersburg, 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 July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days
Petersburg, PA

Average sunshine days - Petersburg, PA

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (9.5 days).

Average visibility
Petersburg, PA

Average visibility - Petersburg, PA

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

Petersburg, Pennsylvania, USA

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