Climate and monthly weather forecastTwin Rocks, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Twin Rocks, Pennsylvania, is a freezing cold winter month, with an average temperature fluctuating between 18.9°F (-7.3°C) and 30.6°F (-0.8°C). January is the coldest month, with the temperature often reaching an average high of 30.6°F (-0.8°C) and an average low of 18.9°F (-7.3°C). Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Twin Rocks, Pennsylvania, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 21.2°F (-6°C). The arrival of February marks a slight shift to an average high-temperature of an icy 35.2°F (1.8°C) from January's 30.6°F (-0.8°C). Weather in February »Weather in March
March, the first month of the spring in Twin Rocks, is a chilly month, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 28.8°F (-1.8°C). The shift from February to March is marked by a slight increase in the average high-temperature, moving from a wintry 35.2°F (1.8°C) to a chilly 44.1°F (6.7°C). Weather in March »Weather in April
April in Twin Rocks, Pennsylvania, is a mild spring month, with an average temperature varying between 56.8°F (13.8°C) and 38.7°F (3.7°C). The shift from March to April is marked by an increase in the average high-temperature, moving from a chilly 44.1°F (6.7°C) to a mild 56.8°F (13.8°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Twin Rocks, Pennsylvania, with an average temperature varying between 68.2°F (20.1°C) and 49.1°F (9.5°C). Twin Rocks in May sees a temperature change, with average high-temperatures moving from a mild 56.8°F (13.8°C) in April to an agreeable 68.2°F (20.1°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Twin Rocks, Pennsylvania, with an average temperature varying between 55°F (12.8°C) and 75.4°F (24.1°C). With the onset of June, Twin Rocks's average high-temperature experiences a slight rise, moving from May's agreeable 68.2°F (20.1°C) to a moderately hot 75.4°F (24.1°C). Weather in June »Weather in July
July, like June, in Twin Rocks, Pennsylvania, is another warm summer month, with an average temperature varying between 80.2°F (26.8°C) and 59°F (15°C). Twin Rocks's warmest month, July, generally records average temperatures ranging from a high of 80.2°F (26.8°C) to a low of 59°F (15°C). Weather in July »Weather in August
August, the last month of the summer in Twin Rocks, is another warm month, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 78.4°F (25.8°C). August's onset records an average high-temperature of a still moderately hot 78.4°F (25.8°C), a near match to July's 80.2°F (26.8°C). Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Twin Rocks, Pennsylvania, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 52.7°F (11.5°C). September signifies a gentle decline in Twin Rocks's average high-temperature, easing from a warm 78.4°F (25.8°C) in August to a pleasant 72.3°F (22.4°C). Weather in September »Weather in October
October, the same as September, in Twin Rocks, Pennsylvania, is a moderate autumn month, with an average temperature fluctuating between 58.6°F (14.8°C) and 43.3°F (6.3°C). With the onset of October, Twin Rocks experiences a modest temperature adjustment, with the average high-temperature receding from a pleasant 72.3°F (22.4°C) in September to a mild 58.6°F (14.8°C). Weather in October »Weather in November
November, the last month of the autumn in Twin Rocks, is also a frosty month, with an average temperature varying between 32°F (0°C) and 46.4°F (8°C). The shift from October to November involves a decrease in the average high-temperature, from a moderate 58.6°F (14.8°C) to a frosty 46.4°F (8°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Twin Rocks, Pennsylvania, with an average temperature ranging between min 26.6°F (-3°C) and max 36.5°F (2.5°C). The shift from November to December involves a decrease in the average high-temperature, from a chilly 46.4°F (8°C) to a wintry 36.5°F (2.5°C). Weather in December »Updated: Jun 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
January is the coldest month of the year, registering average temperatures as high as 30.6°F (-0.8°C) and as low as 18.9°F (-7.3°C).
The months with the highest humidity are January and February, with an average relative humidity of 86%.
Throughout the year, there are 169.1 rainfall days, and 32.6" (828mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
The month with the most snowfall is January, when snow falls for 17.1 days and typically aggregates up to 8.27" (210mm) of snow.
In Twin Rocks, during the entire year, snow falls for 65.6 days and aggregates up to 33.54" (852mm) of snow.
With an average of 2.9h of sunshine, January has the least sunshine of the year in Twin Rocks, Pennsylvania.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Twin Rocks, 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.
April and July, with an average relative humidity of 78%, are the least humid months.
The month with the most rainfall is May, when the rain falls for 20.7 days and typically aggregates up to 3.58" (91mm) of precipitation.
May through August, with an average maximum UV index of 5, are months with the highest UV index in Twin Rocks.
June through September are months without snowfall.
With an average of 15h and 0min of daylight, June has the longest days of the year in Twin Rocks, Pennsylvania.
The warmest time of the year is July, with temperatures averaging a high of 80.2°F (26.8°C) and a low of 59°F (15°C).
The months with the most sunshine are July and August, with an average of 9.7h of sunshine.
November is the month with the least rainfall. Rain falls for 10 days and accumulates 1.85" (47mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 18min of daylight.
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Twin Rocks, PA
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Twin Rocks, PA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"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
Twin Rocks, PA
- Average wind speed in January:
10.1mph - Average wind speed in February:
9.6mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.4mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Twin Rocks, PA
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall
Twin Rocks, PA
- Average rainfall in January:
2.56" - Average rainfall in February:
2.91" - Average rainfall in March:
2.72" - Average rainfall in April:
3.39" - Average rainfall in May:
3.58" - Average rainfall in June:
2.72"
- Average rainfall in July:
2.91" - Average rainfall in August:
2.01" - Average rainfall in September:
2.01" - Average rainfall in October:
2.87" - Average rainfall in November:
1.85" - Average rainfall in December:
3.07"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days
Twin Rocks, PA
- Average rainfall days in January:
9.6 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
13 days - Average rainfall days in April:
17.5 days - Average rainfall days in May:
20.7 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
15.7 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
13.8 days - Average rainfall days in November:
10 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is February (9.3 days).
Average snowfall
Twin Rocks, PA
- Average snowfall in January:
8.27" - Average snowfall in February:
7.24" - Average snowfall in March:
5.71" - Average snowfall in April:
1.57" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is January (8.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Twin Rocks, PA
- Average snowfall days in January:
17.1 days - Average snowfall days in February:
13.3 days - Average snowfall days in March:
10.8 days - Average snowfall days in April:
3.2 days - Average snowfall days in May:
0.7 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:
1.6 days - Average snowfall days in November:
6.5 days - Average snowfall days in December:
12.4 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Twin Rocks, PA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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:
2h and 54min - Average sunshine in February:
3h and 18min - Average sunshine in March:
5h and 18min - Average sunshine in April:
7h and 18min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 18min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 48min - Average sunshine in December:
3h and 18min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days
Twin Rocks, PA
- Average sunshine days in January:
7.5 days - Average sunshine days in February:
7.7 days - Average sunshine days in March:
9.9 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
8.9 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
14.8 days - Average sunshine days in December:
9.8 days
The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.5 days).
Average UV index
Twin Rocks, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Twin Rocks, PA
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility
Twin Rocks, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
