Climate and monthly weather forecastJennerstown, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Jennerstown, Pennsylvania, is another subzero cold winter month, with temperature in the range of an average low of 18.5°F (-7.5°C) and an average high of 31.1°F (-0.5°C). Jennerstown notes the coldest temperatures in January, with a high average of 31.1°F (-0.5°C) and a low of 18.5°F (-7.5°C). Weather in January »Weather in February
The last month of the winter, February, is an icy month in Jennerstown, Pennsylvania, with an average temperature fluctuating between 35.2°F (1.8°C) and 21.6°F (-5.8°C). February begins with an average high-temperature of a wintry 35.2°F (1.8°C), reflecting close similarity to the preceding month. Weather in February »Weather in March
March, the first month of the spring in Jennerstown, is a chilly month, with an average temperature fluctuating between 44.4°F (6.9°C) and 28.9°F (-1.7°C). Jennerstown's transition into March is marked by a rise in the average high-temperature, advancing from a wintry 35.2°F (1.8°C) in February to a chilly 44.4°F (6.9°C). Weather in March »Weather in April
April is a moderate spring month in Jennerstown, Pennsylvania, with an average temperature varying between 38.7°F (3.7°C) and 56.8°F (13.8°C). As March gives way to April, the average high-temperature displays an increase, moving from a chilly 44.4°F (6.9°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 refreshing month in Jennerstown, Pennsylvania, with an average temperature ranging between min 48.9°F (9.4°C) and max 67.6°F (19.8°C). The beginning of May signals a rise in the average high-temperature, moving from a mild 56.8°F (13.8°C) in April to a comfortable 67.6°F (19.8°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Jennerstown, Pennsylvania, with an average temperature varying between 55.2°F (12.9°C) and 75°F (23.9°C). The onset of June brings a minor temperature shift, with the average high-temperature moving from an enjoyable 67.6°F (19.8°C) in May to a warm 75°F (23.9°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Jennerstown, Pennsylvania, with an average temperature fluctuating between 79.3°F (26.3°C) and 58.6°F (14.8°C). Temperature readings reach their annual highs in July, averaging 79.3°F (26.3°C) and a minimum average of 58.6°F (14.8°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Jennerstown, Pennsylvania, with an average temperature fluctuating between 56.8°F (13.8°C) and 77.5°F (25.3°C). The onset of August brings an average high-temperature of a still moderately hot 77.5°F (25.3°C), nearly matching the July temperature. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Jennerstown, Pennsylvania, with an average temperature varying between 71.4°F (21.9°C) and 52.7°F (11.5°C). In September, the average high-temperature marginally drops from a moderately hot 77.5°F (25.3°C) in August to an agreeable 71.4°F (21.9°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Jennerstown, Pennsylvania, with an average temperature varying between 58.6°F (14.8°C) and 42.6°F (5.9°C). As October begins, there is a decrease in the average high-temperature, falling from an agreeable 71.4°F (21.9°C) in September to a mild 58.6°F (14.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Jennerstown, Pennsylvania, with an average temperature ranging between max 46.2°F (7.9°C) and min 31.6°F (-0.2°C). Transition into November marks a drop in the average high-temperature, moving from a refreshing 58.6°F (14.8°C) in October to a frosty 46.2°F (7.9°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Jennerstown, Pennsylvania, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 26.1°F (-3.3°C). Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a chilly 46.2°F (7.9°C) to a wintry 36.7°F (2.6°C). Weather in December »Updated: Aug 16, 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
Jennerstown reaches its average lowest temperatures in January, measuring 31.1°F (-0.5°C) at the peak and 18.5°F (-7.5°C) at the lowest.
Throughout the year, there are 164.4 rainfall days, and 30.08" (764mm) of precipitation is accumulated.
January through May, October through December are months with snowfall in Jennerstown.
The month with the most snowfall is January, when snow falls for 15.3 days and typically aggregates up to 6.46" (164mm) of snow.
In Jennerstown, during the entire year, snow falls for 56.8 days and aggregates up to 27.6" (701mm) of snow.
With an average of 2.9h of sunshine, January has the least sunshine of the year.
With an average relative humidity of 87%, February is the most humid month.
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.
The months with the lowest humidity are April, June and July, with an average relative humidity of 79%.
The month with the most rainfall is May, when the rain falls for 19.9 days and typically aggregates up to 3.23" (82mm) of precipitation.
The months with the highest UV index are May through August, with an average maximum UV index of 5.
June through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 0min of daylight.
In Jennerstown, July is identified by the average highest temperatures, reaching a peak of 79.3°F (26.3°C) and a low of 58.6°F (14.8°C).
The month with the most sunshine is July, with an average of 9.7h of sunshine.
The month with the least rainfall is November, when the rain falls for 8.8 days and typically collects 1.65" (42mm) of precipitation.
With an average of 9h and 24min of daylight, December has the shortest days of the year.
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Jennerstown, PA
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (31.1°F).
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure
Jennerstown, 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
Jennerstown, PA
- Average wind speed in January:
10.2mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.1mph - Average wind speed in April:
9mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
6mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.4mph - Average wind speed in December:
9.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Jennerstown, PA
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June and July (79%).
Average rainfall
Jennerstown, PA
- Average rainfall in January:
2.24" - Average rainfall in February:
2.44" - Average rainfall in March:
2.64" - Average rainfall in April:
2.95" - Average rainfall in May:
3.23" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.91" - Average rainfall in August:
2.28" - Average rainfall in September:
2.05" - Average rainfall in October:
2.44" - Average rainfall in November:
1.65" - Average rainfall in December:
2.64"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days
Jennerstown, PA
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
19.9 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
15.2 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
9.7 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (8.2 days).
Average snowfall
Jennerstown, PA
- Average snowfall in January:
6.46" - Average snowfall in February:
5.91" - Average snowfall in March:
5.39" - Average snowfall in April:
0.94" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Jennerstown, PA
- Average snowfall days in January:
15.3 days - Average snowfall days in February:
11.6 days - Average snowfall days in March:
8.9 days - Average snowfall days in April:
2.2 days - Average snowfall days in May:
0.6 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:
1.4 days - Average snowfall days in November:
5.7 days - Average snowfall days in December:
11.1 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jennerstown, 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:
10h and 0min - Average daylight in December:
9h and 24min
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:
2h and 54min - Average sunshine in February:
3h and 24min - 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 12min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 48min - Average sunshine in December:
3h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days
Jennerstown, PA
- Average sunshine days in January:
9.5 days - Average sunshine days in February:
10 days - Average sunshine days in March:
11.7 days - Average sunshine days in April:
11.2 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
12.7 days - Average sunshine days in September:
13 days - Average sunshine days in October:
14.3 days - Average sunshine days in November:
15.8 days - Average sunshine days in December:
12.7 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.3 days).
Average UV index
Jennerstown, 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
Jennerstown, 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 40).
Average visibility
Jennerstown, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
