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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, like December, in Shelly, Pennsylvania, is a wintry winter month, with an average temperature fluctuating between 35.1°F (1.7°C) and 22.3°F (-5.4°C). In Shelly, January is the coldest month, with temperatures averaging a high of 35.1°F (1.7°C) and a low of 22.3°F (-5.4°C). Weather in January »
Weather in February
February, the last month of the winter in Shelly, is another cold month, with an average temperature fluctuating between 24.1°F (-4.4°C) and 38.8°F (3.8°C). The shift from January to February is characterized by an average high-temperature of a still cold 38.8°F (3.8°C), not significantly different from the 35.1°F (1.7°C) of January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Shelly, Pennsylvania, with an average temperature ranging between min 31.5°F (-0.3°C) and max 46.9°F (8.3°C). With the beginning of March, Shelly's average high-temperature sees a minor increase, transitioning from a cold 38.8°F (3.8°C) in February to a chilly 46.9°F (8.3°C). Weather in March »
Weather in April
April is a moderate spring month in Shelly, Pennsylvania, with an average temperature varying between 59.7°F (15.4°C) and 41.7°F (5.4°C). The start of April brings a shift in the average high-temperature, increasing from March's chilly 46.9°F (8.3°C) to a refreshing 59.7°F (15.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Shelly, Pennsylvania, with an average temperature varying between 51.4°F (10.8°C) and 70.3°F (21.3°C). Shelly's weather shows a temperature rise with the arrival of May, moving from a refreshing 59.7°F (15.4°C) in April to an agreeable 70.3°F (21.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Shelly, Pennsylvania, with an average temperature fluctuating between 78.4°F (25.8°C) and 59°F (15°C). With the onset of June, the average high-temperature subtly transitions from a pleasant 70.3°F (21.3°C) in May to a warm 78.4°F (25.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Shelly, Pennsylvania, with an average temperature ranging between min 64.9°F (18.3°C) and max 84.6°F (29.2°C). With average high and low temperatures of 84.6°F (29.2°C) and 64.9°F (18.3°C) respectively, July is Shelly's warmest month. July's mean heat index is computed to be a tropical 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Shelly, is also a moderately hot month, with an average temperature ranging between min 63.1°F (17.3°C) and max 82.4°F (28°C). As Shelly steps into August, the average high-temperature is measured at a still moderately hot 82.4°F (28°C), displaying minor differences from July's 84.6°F (29.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Shelly, is still a warm month, with an average temperature fluctuating between 75.6°F (24.2°C) and 56.5°F (13.6°C). September's arrival subtly correlates with a reduction in the average high-temperature, down from 82.4°F (28°C) in August to a still moderately hot 75.6°F (24.2°C). Weather in September »
Weather in October
October, like September, in Shelly, Pennsylvania, is another enjoyable autumn month, with an average temperature varying between 46.6°F (8.1°C) and 63°F (17.2°C). October ushers in a slight temperature change, with average high-temperatures reducing from September's warm 75.6°F (24.2°C) to a refreshing 63°F (17.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Shelly, is another cool month, with an average temperature fluctuating between 50.4°F (10.2°C) and 35.8°F (2.1°C). The arrival of November corresponds with a temperature reduction, down from October's comfortable 63°F (17.2°C) to a fresh 50.4°F (10.2°C). Weather in November »
Weather in December
December, the first month of the winter in Shelly, is still a cold month, with an average temperature varying between 41.5°F (5.3°C) and 29.8°F (-1.2°C). Shelly's transition into December involves a gentle shift in temperature, receding from a fresh 50.4°F (10.2°C) in November to an icy 41.5°F (5.3°C). Weather in December »
Updated: Jul 17, 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 are the coldest months?
January brings the lowest temperatures, with an average high of 35.1°F (1.7°C) and an average low of 22.3°F (-5.4°C).
How much does it rain in Shelly?
In Shelly, during the entire year, the rain falls for 154.1 days and collects up to 31.73" (806mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 29.3 snowfall days, and 16.57" (421mm) 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 in Shelly.
What is the most humid month?
The most humid month is February, with an average relative humidity of 81%.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.5h of sunshine.
What is the snowiest month?
The month with the most snowfall is March, when snow falls for 5.8 days and typically aggregates up to 4.72" (120mm) 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 are the least humid months?
The months with the lowest humidity are April and July, with an average relative humidity of 75%.
What is the wettest month?
The months with the most rainfall are May and July, with an average 3.07" (78mm) of precipitation.
What are the months with the highest UV index?
May through July, with an average maximum UV index of 6, are months with the highest UV index.
When it does not snow?
In Shelly, 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.
What is the hottest time of year?
In Shelly, July is known for its average highest temperatures, reaching a high of 84.6°F (29.2°C) and a low of 64.9°F (18.3°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.5h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 12 days and typically collects 1.89" (48mm) of precipitation.
What is the month with the shortest days in Shelly?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Shelly, PA
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.1°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure
Shelly, PA
- Average pressure in January:
30.08"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:
30.12"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Shelly, PA
- Average wind speed in January:
7.9mph - Average wind speed in February:
7.7mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Shelly, PA
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall
Shelly, PA
- Average rainfall in January:
2.28" - Average rainfall in February:
2.09" - Average rainfall in March:
2.64" - Average rainfall in April:
2.87" - Average rainfall in May:
3.07" - Average rainfall in June:
2.6"
- Average rainfall in July:
3.07" - Average rainfall in August:
3.03" - Average rainfall in September:
1.89" - Average rainfall in October:
2.72" - Average rainfall in November:
2.56" - Average rainfall in December:
2.91"
The wettest months (with the highest rainfall) are May and July (3.07").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Shelly, PA
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
17 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
16 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
12 days - Average rainfall days in October:
13 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
10 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Shelly, PA
- Average snowfall in January:
3.62" - Average snowfall in February:
3.82" - Average snowfall in March:
4.72" - Average snowfall in April:
0.35" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Shelly, PA
- Average snowfall days in January:
8.2 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
0.7 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:
1.1 days - Average snowfall days in December:
5 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Shelly, 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 2min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Shelly, PA
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
13.4 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
18 days - Average sunshine days in December:
17 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.8 days).
Average UV index
Shelly, PA
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Shelly, PA
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility
Shelly, PA
The months with the highest visibility are March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, May, September, October and December (5mi).
Shelly, Pennsylvania, USA
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