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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 an icy winter month in Atglen, Pennsylvania, with an average temperature fluctuating between 35.6°F and 23.4°F. January tends to be the coldest month, with temperatures averaging a daily high of 35.6°F and a low of 23.4°F. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Atglen, Pennsylvania, with an average temperature varying between 25.9°F and 39.6°F. The transition from January to February sees average high-temperatures adjusting to a still cold 39.6°F, from a not significantly different 35.6°F. Weather in February »
Weather in March
March, the first month of the spring in Atglen, is a chilly month, with temperature in the range of an average high of 48°F and an average low of 33.1°F. A minor escalation in the average high-temperature is seen with the onset of March, moving from a cold 39.6°F in February to a frosty 48°F. Weather in March »
Weather in April
April is a refreshing spring month in Atglen, Pennsylvania, with temperature in the range of an average high of 60.3°F and an average low of 42.8°F. The beginning of April marks a shift in the average high-temperature, moving from March's chilly 48°F to a mild 60.3°F. Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Atglen, Pennsylvania, with an average temperature fluctuating between 52.7°F and 70.3°F. May brings a rise in Atglen's average high-temperature, moving from a refreshing 60.3°F in April to an agreeable 70.3°F. Weather in May »
Weather in June
June, the first month of the summer in Atglen, is a warm month, with an average temperature fluctuating between 78.1°F and 60.4°F. With the start of June, the average high-temperature marginally shifts from May's agreeable 70.3°F to a moderately hot 78.1°F. Weather in June »
Weather in July
July, like June, in Atglen, Pennsylvania, is another warm summer month, with an average temperature ranging between min 65.8°F and max 83.5°F. In Atglen, Pennsylvania, the peak temperatures are generally noted in July, averaging a high of 83.5°F and a low of 65.8°F. In July, the heat index is estimated at a hot 91.4°F. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Atglen, Pennsylvania, with an average temperature fluctuating between 64.2°F and 81.1°F. In August, Atglen experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 83.5°F in July to a still warm 81.1°F. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Atglen, Pennsylvania, with an average temperature varying between 74.8°F and 57.4°F. In Atglen, the average high-temperature in September slightly decreases from 81.1°F in August to a still warm 74.8°F. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Atglen, Pennsylvania, with an average temperature ranging between max 63°F and min 48°F. As Atglen enters October, the average high-temperature decreases from the a moderately hot 74.8°F of September to a comfortable 63°F. Weather in October »
Weather in November
November, the last month of the autumn in Atglen, is another cool month, with temperature in the range of an average low of 36.9°F and an average high of 50.9°F. November involves a decrease in temperature, down from an enjoyable 63°F in October to a cool 50.9°F. Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Atglen, Pennsylvania, with an average temperature varying between 41.9°F and 30.6°F. December's onset brings a reduction in the average high-temperature, from a cool 50.9°F in November to a wintry 41.9°F. Weather in December »
[Resources]FAQ
What part of the year is the coldest in Atglen?
With average temperatures fluctuating between a high of 35.6°F and a low of 23.4°F, January stands out as the coldest month.
How much does it rain in Atglen?
Throughout the year, in Atglen, there are 138.3 rainfall days, and 19.76" of precipitation is accumulated.
When does it snow in Atglen?
Months with snowfall are January through May, October through December.
How many days does it snow in Atglen?
Throughout the year, in Atglen, there are 19.6 snowfall days, and 7.64" of snow is accumulated.
What is the month with the lowest UV index in Atglen?
The months with the lowest UV index in Atglen, Pennsylvania, are January through March, November and December, with an average maximum UV index of 2.
What is the driest month in Atglen?
The month with the least rainfall in Atglen, Pennsylvania, is February, when the rain falls for 6.9 days and typically collects 1.14" of precipitation.
What is the month with the least sunshine in Atglen?
February has the least sunshine of the year in Atglen, with an average of 4.5h of sunshine.
What is the snowiest month in Atglen?
The month with the most snowfall is March, when snow falls for 4.3 days and typically aggregates up to 2.32" of snow.
When is Daylight Saving Time (DST) in Atglen?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Atglen, 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 Atglen?
April is the least humid month, with an average relative humidity of 76%.
What are the most humid months in Atglen?
May and October, with an average relative humidity of 81%, are most humid months.
What are the months with the highest UV index in Atglen?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When it does not snow in Atglen?
In Atglen, Pennsylvania, snow does not fall in June through September.
When are the longest days in Atglen?
June has the longest days of the year in Atglen, with an average of 15h and 0min of daylight.
What month is the hottest in Atglen?
July, recording an average high temperature of 83.5°F and a low temperature of 65.8°F, is Atglen's warmest month.
What month has the most sunshine in Atglen?
July has the most sunshine of the year in Atglen, Pennsylvania, with an average of 10.4h of sunshine.
What is the rainiest month in Atglen?
The month with the most rainfall in Atglen is August, when the rain falls for 14.8 days and typically aggregates up to 2.72" of precipitation.
What is the month with the shortest days in Atglen?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Atglen, PA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.6°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure
Atglen, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"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:
29.96"Hg - Average pressure in August:
29.99"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
Atglen, PA
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.6mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.7mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8.3mph
The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Atglen, PA
The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Atglen, PA
- Average rainfall in January:
1.26" - Average rainfall in February:
1.14" - Average rainfall in March:
1.5" - Average rainfall in April:
1.61" - Average rainfall in May:
1.85" - Average rainfall in June:
1.89"
- Average rainfall in July:
2.17" - Average rainfall in August:
2.72" - Average rainfall in September:
1.38" - Average rainfall in October:
1.46" - Average rainfall in November:
1.26" - Average rainfall in December:
1.54"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days
Atglen, PA
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
6.9 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
8.7 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall
Atglen, PA
- Average snowfall in January:
1.65" - Average snowfall in February:
1.5" - Average snowfall in March:
2.32" - Average snowfall in April:
0.28" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Atglen, PA
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
5.1 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0.1 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 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Atglen, 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:
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 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - 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
Atglen, PA
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
16 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
13 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
20 days - Average sunshine days in December:
19.3 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (12.4 days).
Average UV index
Atglen, PA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Atglen, PA
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility
Atglen, PA
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Atglen, Pennsylvania, USA
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