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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
Weather in January
January, the same as December, is another cold winter month in Mount Aetna, Pennsylvania, with temperature in the range of an average low of 21.7°F (-5.7°C) and an average high of 33.6°F (0.9°C). January, on average, is the coldest month, registering a high temperature of 33.6°F (0.9°C) and a low of 21.7°F (-5.7°C). Weather in January »
Weather in February
February, the last month of the winter in Mount Aetna, is another cold month, with an average temperature fluctuating between 37.8°F (3.2°C) and 23.5°F (-4.7°C). The initiation of February sees an average high-temperature of a still wintry 37.8°F (3.2°C), showing minor variations from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Mount Aetna, Pennsylvania, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 31.1°F (-0.5°C). March's onset brings a rise in the average high-temperature, moving from an icy 37.8°F (3.2°C) in February to a frosty 46.9°F (8.3°C). Weather in March »
Weather in April
April in Mount Aetna, Pennsylvania, is a refreshing spring month, with temperature in the range of an average low of 41.2°F (5.1°C) and an average high of 59°F (15°C). An escalation in the average high-temperature is seen with the onset of April, moving from a chilly 46.9°F (8.3°C) in March to a moderate 59°F (15°C). Weather in April »
Weather in May
May, the last month of the spring in Mount Aetna, is an agreeable month, with an average temperature fluctuating between 68.9°F (20.5°C) and 50.9°F (10.5°C). With the arrival of May, the average high-temperature transitions from a refreshing 59°F (15°C) in April to a pleasant 68.9°F (20.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Mount Aetna, Pennsylvania, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 58.6°F (14.8°C). With the start of June, the average high-temperature marginally shifts from May's pleasant 68.9°F (20.5°C) to a warm 76.6°F (24.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Mount Aetna, Pennsylvania, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 63.3°F (17.4°C). July is the warmest month, exhibiting average temperatures of 82.2°F (27.9°C) at the peak and 63.3°F (17.4°C) at the base. The heat index in July is evaluated 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 Mount Aetna, Pennsylvania, with an average temperature fluctuating between 61.5°F (16.4°C) and 79.9°F (26.6°C). With the onset of August, the average high-temperature registers at a still moderately hot 79.9°F (26.6°C), subtly different from July's 82.2°F (27.9°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Mount Aetna, Pennsylvania, with an average temperature fluctuating between 73.8°F (23.2°C) and 55.4°F (13°C). September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's 79.9°F (26.6°C) to a still moderately hot 73.8°F (23.2°C). Weather in September »
Weather in October
October, like September, in Mount Aetna, Pennsylvania, is another comfortable autumn month, with an average temperature varying between 45.9°F (7.7°C) and 61.7°F (16.5°C). Transition into October marks a drop in the average high-temperature, moving from a warm 73.8°F (23.2°C) in September to a comfortable 61.7°F (16.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Mount Aetna, is also a frosty month, with an average temperature fluctuating between 49.5°F (9.7°C) and 34.9°F (1.6°C). November's arrival correlates with a reduction in the average high-temperature, down from a refreshing 61.7°F (16.5°C) in October to a frosty 49.5°F (9.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Mount Aetna, Pennsylvania, with temperature in the range of an average high of 40.5°F (4.7°C) and an average low of 29.3°F (-1.5°C). The transition into December involves a small decrease in the average high-temperature, dipping slightly from a chilly 49.5°F (9.7°C) in November to a cold 40.5°F (4.7°C). Weather in December »
Updated: Aug 24, 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 month is the coldest?
January, known for its average high temperature of 33.6°F (0.9°C) and an average low temperature of 21.7°F (-5.7°C), is the coldest month.
How much does it rain?
Throughout the year, there are 168.8 rainfall days, and 33.27" (845mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How much does it snow?
Throughout the year, there are 29.6 snowfall days, and 15.59" (396mm) of snow is accumulated.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What are the most humid months?
The months with the highest humidity in Mount Aetna are February, May and October, with an average relative humidity of 81%.
What is the month with the least sunshine?
With an average of 4.5h of sunshine, February has the least sunshine of the year.
What is the snowiest month?
The month with the most snowfall is March, when snow falls for 5.4 days and typically aggregates up to 4.49" (114mm) of snow.
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 least humid month?
The least humid month is April, with an average relative humidity of 76%.
When it does not snow?
In Mount Aetna, 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?
With an average maximum UV index of 6, June is the month with the highest UV index.
What are the warmest months?
July proves to be the warmest month, recording an average peak temperature of 82.2°F (27.9°C) and a minimum temperature of 63.3°F (17.4°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.4h of sunshine.
What is the rainiest month?
August is the month with the most rainfall. Rain falls for 16 days and accumulates 3.39" (86mm) of precipitation.
What is the driest month in Mount Aetna?
The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 2.24" (57mm) 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.
Average temperature
Mount Aetna, 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 (33.6°F).
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure
Mount Aetna, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Mount Aetna, PA
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.6mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.9mph - Average wind speed in November:
7.4mph - Average wind speed in December:
8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Mount Aetna, PA
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Mount Aetna, PA
- Average rainfall in January:
2.52" - Average rainfall in February:
2.4" - Average rainfall in March:
2.52" - Average rainfall in April:
2.95" - Average rainfall in May:
3.19" - Average rainfall in June:
2.72"
- Average rainfall in July:
3.31" - Average rainfall in August:
3.39" - Average rainfall in September:
2.24" - Average rainfall in October:
2.83" - Average rainfall in November:
2.48" - Average rainfall in December:
2.72"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days
Mount Aetna, PA
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
16 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (9.3 days).
Average snowfall
Mount Aetna, PA
- Average snowfall in January:
3.98" - Average snowfall in February:
3.15" - Average snowfall in March:
4.49" - Average snowfall in April:
0.16" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mount Aetna, PA
- Average snowfall days in January:
9.2 days - Average snowfall days in February:
7.6 days - Average snowfall days in March:
5.4 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0.2 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:
0.1 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
5.4 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mount Aetna, 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:
9h and 5min - 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 18min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Mount Aetna, PA
- Average sunshine days in January:
15.4 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
12.9 days - Average sunshine days in April:
11.6 days - Average sunshine days in May:
10.2 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
13 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
14.9 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (10.2 days).
Average UV index
Mount Aetna, PA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Mount Aetna, PA
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Mount Aetna, PA
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Mount Aetna, Pennsylvania, USA
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