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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Donegal, Pennsylvania, with an average temperature ranging between max 32.4°F (0.2°C) and min 19.9°F (-6.7°C). Donegal experiences its lowest temperatures in January, with an average peak of 32.4°F (0.2°C) and a low of 19.9°F (-6.7°C). Weather in January »
Weather in February
February, the last month of the winter in Donegal, is also an icy month, with temperature in the range of an average low of 22.6°F (-5.2°C) and an average high of 36.7°F (2.6°C). The introduction of February notes a subtle temperature variation to a still cold 36.7°F (2.6°C) from January's 32.4°F (0.2°C). Weather in February »
Weather in March
March, the first month of the spring in Donegal, is a chilly month, with an average temperature varying between 46°F (7.8°C) and 29.8°F (-1.2°C). The rise of average high-temperatures is seen in March, with an increase from a cold 36.7°F (2.6°C) in February to a chilly 46°F (7.8°C). Weather in March »
Weather in April
April is a refreshing spring month in Donegal, Pennsylvania, with an average temperature varying between 39.7°F (4.3°C) and 57.9°F (14.4°C). In Donegal, the average high-temperature in April increases from a chilly 46°F (7.8°C) in March to a mild 57.9°F (14.4°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Donegal, Pennsylvania, with an average temperature fluctuating between 69.6°F (20.9°C) and 49.6°F (9.8°C). Donegal, Pennsylvania, in May shows a temperature shift, moving from an average high of a mild 57.9°F (14.4°C) in April to a pleasant 69.6°F (20.9°C). Weather in May »
Weather in June
June, the first month of the summer in Donegal, is a moderately hot month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 76.3°F (24.6°C). June's arrival coincides with a subtle temperature rise, moving from May's agreeable 69.6°F (20.9°C) to a warm 76.3°F (24.6°C). Weather in June »
Weather in July
July, like June, in Donegal, Pennsylvania, is a moderately hot summer month, with an average temperature varying between 81.1°F (27.3°C) and 60.1°F (15.6°C). July stands out as Donegal's warmest month, with temperatures ranging between an average high of 81.1°F (27.3°C) and a low of 60.1°F (15.6°C). July's average heat index is computed to be a hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Donegal, Pennsylvania, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 79.3°F (26.3°C). During August, the average high-temperature is a still warm 79.3°F (26.3°C), maintaining a close resemblance to that of the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Donegal, Pennsylvania, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 73.6°F (23.1°C). The beginning of September brings a minor change in the average high-temperature, shifting from a moderately hot 79.3°F (26.3°C) in August to a still warm 73.6°F (23.1°C). Weather in September »
Weather in October
October, the same as September, in Donegal, Pennsylvania, is another mild autumn month, 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). Donegal observes a minor decrease in the average high-temperature with the arrival of October, falling from September's moderately hot 73.6°F (23.1°C) to a mild 60.1°F (15.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Donegal, is also a frosty month, with an average temperature varying between 32.7°F (0.4°C) and 47.8°F (8.8°C). November is characterized by a reduction in the average high-temperature, 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 an icy month, with an average temperature ranging between min 27.3°F (-2.6°C) and max 38.5°F (3.6°C). As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a frosty 47.8°F (8.8°C) to a cold 38.5°F (3.6°C). Weather in December »
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
In Donegal, the average lowest temperatures are observed in January, with a high of 32.4°F (0.2°C) and a low of 19.9°F (-6.7°C).
What are the most humid months in Donegal?
January and February, with an average relative humidity of 86%, are most humid months.
How many days does it rain?
Throughout the year, in Donegal, there are 179.1 rainfall days, and 33.43" (849mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 16.3 days and accumulates 7.99" (203mm) of snow.
How many days does it snow?
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?
The month with the least sunshine in Donegal is January, with an average of 3h of sunshine.
When is the lowest UV index in Donegal?
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.
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 are the least humid months?
The months with the lowest humidity are April, June through August, with an average relative humidity of 78%.
What is the wettest month?
The month with the most rainfall is May, when the rain falls for 22.6 days and typically aggregates up to 3.62" (92mm) of precipitation.
When it does not snow?
In Donegal, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What month is the hottest?
Donegal's temperatures tend to reach their peak averages in July, with a high of 81.1°F (27.3°C) and a low of 60.1°F (15.6°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 9.9h of sunshine.
When is the highest UV index?
With an average maximum UV index of 6, July is the month with the highest UV index.
What is the driest month?
November is the month with the least rainfall. Rain falls for 10.3 days and accumulates 1.97" (50mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
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).
Average pressure
Donegal, PA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Donegal, PA
- Average wind speed in January:
8.9mph - Average wind speed in February:
8.7mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.9mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.5mph - Average wind speed in December:
8.3mph
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).
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%).
Average rainfall
Donegal, PA
- Average rainfall in January:
2.6" - Average rainfall in February:
2.83" - Average rainfall in March:
2.83" - Average rainfall in April:
3.19" - Average rainfall in May:
3.62" - Average rainfall in June:
3.03"
- Average rainfall in July:
2.91" - Average rainfall in August:
2.4" - Average rainfall in September:
2.13" - Average rainfall in October:
2.87" - Average rainfall in November:
1.97" - Average rainfall in December:
3.03"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days
Donegal, PA
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
17.3 days - Average rainfall days in May:
22.6 days - Average rainfall days in June:
19 days
- Average rainfall days in July:
19.5 days - Average rainfall days in August:
18.1 days - Average rainfall days in September:
15.9 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
10.3 days - Average rainfall days in December:
10.8 days
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).
Average snowfall
Donegal, PA
- Average snowfall in January:
7.99" - Average snowfall in February:
6.89" - Average snowfall in March:
5.51" - Average snowfall in April:
1.89" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is January (7.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Donegal, PA
- Average snowfall days in January:
16.3 days - Average snowfall days in February:
13.7 days - Average snowfall days in March:
9.2 days - Average snowfall days in April:
3 days - Average snowfall days in May:
0.4 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.1 days - Average snowfall days in November:
7.2 days - Average snowfall days in December:
12.5 days
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).
Average daylight / Average sunshine
Donegal, PA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 3min
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).
Average sunshine days
Donegal, PA
- Average sunshine days in January:
9.2 days - Average sunshine days in February:
7.9 days - Average sunshine days in March:
10.9 days - Average sunshine days in April:
10.2 days - Average sunshine days in May:
7.4 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
10 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
11.7 days - Average sunshine days in October:
12.8 days - Average sunshine days in November:
14.6 days - Average sunshine days in December:
10.1 days
The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is May (7.4 days).
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).
Average cloud cover
Donegal, PA
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility
Donegal, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).