Climate and monthly weather forecast
Donegal, PA

Weather in January

January, the same as December, is a wintry winter month in Donegal, Pennsylvania, with an average temperature varying between 32.4°F (0.2°C) and 19.9°F (-6.7°C). January is the coldest month, with an average high-temperature of 32.4°F (0.2°C) and an average low-temperature of 19.9°F (-6.7°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Donegal, Pennsylvania, with an average temperature fluctuating between 22.6°F (-5.2°C) and 36.7°F (2.6°C). In February, the average high-temperature is practically the same as in January - a still wintry 36.7°F (2.6°C). Weather in February »

Weather in March

March, the first month of the spring in Donegal, is a chilly month, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 29.8°F (-1.2°C). In Donegal, the average high-temperature in March increases from a wintry 36.7°F (2.6°C) in February to a frosty 46°F (7.8°C). Weather in March »

Weather in April

April is a moderate spring month in Donegal, Pennsylvania, with an average temperature fluctuating between 39.7°F (4.3°C) and 57.9°F (14.4°C). In April, the average high-temperature increases from a frosty 46°F (7.8°C) in March to a mild 57.9°F (14.4°C). Weather in April »

Weather in May

May, the last month of the spring in Donegal, is an agreeable month, with an average temperature fluctuating between 49.6°F (9.8°C) and 69.6°F (20.9°C). In May, the average high-temperature rises from a moderate 57.9°F (14.4°C) in April to an agreeable 69.6°F (20.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Donegal, Pennsylvania, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 55.9°F (13.3°C). In Donegal, the average high-temperature in June slightly increases from an agreeable 69.6°F (20.9°C) in May to a warm 76.3°F (24.6°C). Weather in June »

Weather in July

July, like June, in Donegal, Pennsylvania, is another warm summer month, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 81.1°F (27.3°C). The warmest month is July, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 60.1°F (15.6°C). In July, the average heat index is appraised at a hot 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Donegal, is also a moderately hot month, with an average temperature varying between 79.3°F (26.3°C) and 57.9°F (14.4°C). In August, the average high-temperature is practically the same as in July - a still warm 79.3°F (26.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Donegal, is also a moderately hot month, with an average temperature varying between 73.6°F (23.1°C) and 53.4°F (11.9°C). In September, the average high-temperature marginally drops from 79.3°F (26.3°C) in August to a still moderately hot 73.6°F (23.1°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Donegal, Pennsylvania, with temperature in the range of an average high of 60.1°F (15.6°C) and an average low of 43.5°F (6.4°C). In Donegal, the average high-temperature in October decreases from a warm 73.6°F (23.1°C) in September to a moderate 60.1°F (15.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Donegal, Pennsylvania, with an average temperature ranging between max 47.8°F (8.8°C) and min 32.7°F (0.4°C). In November, the average high-temperature drops from a mild 60.1°F (15.6°C) in October to a frosty 47.8°F (8.8°C). Weather in November »

Weather in December

December, the first month of the winter in Donegal, is also a wintry month, with an average temperature fluctuating between 38.5°F (3.6°C) and 27.3°F (-2.6°C). In December, the average high-temperature drops from a frosty 47.8°F (8.8°C) in November to a wintry 38.5°F (3.6°C). Weather in December »
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FAQ

What is the coldest month in Donegal?

The coldest month in Donegal is January, with an average high-temperature of 32.4°F (0.2°C) and an average low-temperature of 19.9°F (-6.7°C).

What is the most humid month in Donegal?

January and February, with an average relative humidity of 86%, are most humid months.

How many days does it rain in Donegal?

Throughout the year, in Donegal, there are 179.1 rainfall days, and 33.43" (849mm) of precipitation is accumulated.

When does it snow in Donegal?

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

When does it snow the most in Donegal?

The month with the most snowfall in Donegal is January, when snow falls for 16.3 days and typically aggregates up to 7.99" (203mm) of snow.

How many days does it snow in Donegal?

In Donegal, during the entire year, snow falls for 63.4 days and aggregates up to 34.17" (868mm) of snow.

What is the month with the least sunshine in Donegal?

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

When is the lowest UV index in Donegal?

The months with the lowest UV index in Donegal, Pennsylvania, are January through March, October through December, with an average maximum UV index of 2.

When is Daylight Saving Time (DST) in Donegal?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Donegal, Pennsylvania, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Donegal?

The months with the lowest humidity are April, June through August, with an average relative humidity of 78%.

What is the rainiest month in Donegal?

May is the month with the most rainfall in Donegal. Rain falls for 22.6 days and accumulates 3.62" (92mm) of precipitation.

When it does not snow in Donegal?

June through September are months without snowfall in Donegal, Pennsylvania.

When are the longest days in Donegal?

The month with the longest days in Donegal is June, with an average of 14h and 59min of daylight.

What is the warmest month in Donegal?

The warmest month in Donegal is July, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 60.1°F (15.6°C).

What month has the most sunshine in Donegal?

With an average of 9.9h of sunshine, July has the most sunshine of the year.

When is the highest UV index in Donegal?

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

What is the driest month in Donegal?

The month with the least rainfall is November, when the rain falls for 10.3 days and typically collects 1.97" (50mm) of precipitation.

What is the month with the shortest days in Donegal?

With an average of 9h and 23min of daylight, December has the shortest days of the year in Donegal.

Average temperature
Donegal, PA

Average temperature - Donegal, PA

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.4°F).

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

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Average pressure
Donegal, PA

Average pressure - Donegal, 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
Donegal, PA

Average wind speed - Donegal, PA

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity
Donegal, PA

Average humidity - Donegal, PA

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).

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Average rainfall
Donegal, PA

Average rainfall - Donegal, PA

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (1.97").

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Average rainfall days
Donegal, PA

Average rainfall days - Donegal, PA

The month with the highest number of rainy days is May (22.6 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall
Donegal, PA

Average snowfall - Donegal, PA

The month with the highest snowfall is January (7.99").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Donegal, PA

Average snowfall days - Donegal, PA

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Donegal, PA

Average daylight / Average sunshine - Donegal, 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 July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days
Donegal, PA

Average sunshine days - Donegal, PA

The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is May (7.4 days).

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Average UV index
Donegal, PA

Average UV index - Donegal, PA

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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