Climate and monthly weather forecast
Donora, PA

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Weather in January

January, the same as December, is an icy winter month in Donora, Pennsylvania, with an average temperature ranging between max 34°F (1.1°C) and min 21.2°F (-6°C). January is the month that records the lowest temperatures, with averages ranging from a high of 34°F (1.1°C) to a low of 21.2°F (-6°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Donora, Pennsylvania, with temperature in the range of an average low of 23.7°F (-4.6°C) and an average high of 38.7°F (3.7°C). February's presence records an average high-temperature of a still icy 38.7°F (3.7°C), closely mirroring January's climate. Weather in February »

Weather in March

March, the first month of the spring in Donora, is a chilly month, with an average temperature varying between 48°F (8.9°C) and 31.5°F (-0.3°C). With the onset of March, Donora experiences a temperature shift, with the average high-temperature moving from a cold 38.7°F (3.7°C) in February to a frosty 48°F (8.9°C). Weather in March »

Weather in April

April is a moderate spring month in Donora, Pennsylvania, with an average temperature ranging between max 60.6°F (15.9°C) and min 41.2°F (5.1°C). With the arrival of April, the average high-temperature transitions from a frosty 48°F (8.9°C) in March to a moderate 60.6°F (15.9°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Donora, Pennsylvania, with an average temperature varying between 51.6°F (10.9°C) and 72.1°F (22.3°C). May's onset witnesses a shift in the average high-temperature, moving from a refreshing 60.6°F (15.9°C) in April to an agreeable 72.1°F (22.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Donora, Pennsylvania, with an average temperature varying between 78.6°F (25.9°C) and 57.7°F (14.3°C). The shift into June is marked by a modest rise in the average high-temperature, moving from May's agreeable 72.1°F (22.3°C) to a warm 78.6°F (25.9°C). Weather in June »

Weather in July

July, like June, in Donora, Pennsylvania, is another warm summer month, with an average temperature ranging between max 82.9°F (28.3°C) and min 61.5°F (16.4°C). In Donora, the average temperatures in July are the highest, with a peak at 82.9°F (28.3°C) and a low of 61.5°F (16.4°C). For July, the heat index is estimated at a hot 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Donora, Pennsylvania, with an average temperature varying between 81.9°F (27.7°C) and 59.7°F (15.4°C). Donora's weather in August displays an average high-temperature of a still moderately hot 81.9°F (27.7°C), showing minor disparity from July's 82.9°F (28.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Donora, Pennsylvania, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 55°F (12.8°C). Transition into September subtly marks a drop in the average high-temperature, moderately moving from a warm 81.9°F (27.7°C) in August to a still moderately hot 75.4°F (24.1°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Donora, Pennsylvania, with an average temperature varying between 62.2°F (16.8°C) and 45.1°F (7.3°C). The onset of October coincides with a reduction in the average high-temperature, falling from a warm 75.4°F (24.1°C) in September to a refreshing 62.2°F (16.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Donora, is another chilly month, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 33.8°F (1°C). The start of November signals a decrease in the average high-temperature, transitioning from an enjoyable 62.2°F (16.8°C) in October to a chilly 49.6°F (9.8°C). Weather in November »

Weather in December

December, the first month of the winter in Donora, is also an icy month, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 40.1°F (4.5°C). The start of December signals a decrease in the average high-temperature, transitioning from a chilly 49.6°F (9.8°C) in November to a wintry 40.1°F (4.5°C). Weather in December »
Updated: Feb 13, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

What is the coldest time of year in Donora?

Donora's coldest temperatures are experienced in January, with average high temperatures of 34°F (1.1°C) and lows of 21.2°F (-6°C).

What are the most humid months in Donora?

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

How many days does it rain in Donora?

Throughout the year, in Donora, Pennsylvania, there are 191.3 rainfall days, and 35.24" (895mm) of precipitation is accumulated.

When does it snow in Donora?

January through May, October through December are months with snowfall in Donora, Pennsylvania.

What is the snowiest month in Donora?

The month with the most snowfall in Donora, Pennsylvania, is January, when snow falls for 17.8 days and typically aggregates up to 6.26" (159mm) of snow.

How much does it snow in Donora?

Throughout the year, in Donora, Pennsylvania, there are 60.2 snowfall days, and 25.08" (637mm) of snow is accumulated.

What is the month with the least sunshine in Donora?

With an average of 3h of sunshine, January has the least sunshine of the year in Donora, Pennsylvania.

When is Daylight Saving Time (DST) in Donora?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Donora, Pennsylvania, 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 in Donora?

The month with the most rainfall in Donora is May, when the rain falls for 21.8 days and typically aggregates up to 3.78" (96mm) of precipitation.

What are the months with the highest UV index in Donora?

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

When it does not snow in Donora?

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

When are the longest days in Donora?

With an average of 15h and 0min of daylight, June has the longest days of the year in Donora, Pennsylvania.

What are the warmest months in Donora?

July is the warmest month of the year in Donora, registering average temperatures as high as 82.9°F (28.3°C) and as low as 61.5°F (16.4°C).

What is the least humid month in Donora?

August is the least humid month, with an average relative humidity of 76%.

What month has the most sunshine in Donora?

With an average of 10.2h of sunshine, August has the most sunshine of the year in Donora.

What is the driest month in Donora?

November is the month with the least rainfall in Donora. Rain falls for 12.6 days and accumulates 2.13" (54mm) of precipitation.

What is the month with the shortest days in Donora?

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

What is the month with the lowest UV index in Donora?

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

Average pressure
Donora, PA

Average pressure - Donora, 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
Donora, PA

Average wind speed - Donora, PA

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity
Donora, PA

Average humidity - Donora, PA

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).

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Average rainfall
Donora, PA

Average rainfall - Donora, PA

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.13").

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Average rainfall days
Donora, PA

Average rainfall days - Donora, PA

The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are January and February (11.7 days).

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Average snowfall
Donora, PA

Average snowfall - Donora, PA

The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Donora, PA

Average snowfall days - Donora, PA

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Donora, PA

Average daylight / Average sunshine - Donora, 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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days
Donora, PA

Average sunshine days - Donora, PA

The month with the most sunshine days is November (14.3 days).
The month with the least sunshine days is January (6.8 days).

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Average visibility
Donora, PA

Average visibility - Donora, PA

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

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Donora, Pennsylvania, USA

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