Climate and monthly weather forecastPlymouth, PA
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Plymouth, Pennsylvania, with an average temperature fluctuating between 18.7°F (-7.4°C) and 30.6°F (-0.8°C). Temperature readings reach their annual highs in January, averaging 30.6°F (-0.8°C) and a minimum average of 18.7°F (-7.4°C). Weather in January »Weather in February
The last month of the winter, February, is an icy month in Plymouth, Pennsylvania, with an average temperature varying between 34.5°F (1.4°C) and 20.8°F (-6.2°C). The advent of February presents an average high-temperature of a cold 34.5°F (1.4°C), maintaining a close correlation with the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Plymouth, Pennsylvania, with an average temperature ranging between min 27.3°F (-2.6°C) and max 43°F (6.1°C). The coming of March brings a minor shift in Plymouth's weather, with average high-temperatures adjusting from February's wintry 34.5°F (1.4°C) to a frosty 43°F (6.1°C). Weather in March »Weather in April
April in Plymouth, Pennsylvania, is a moderate spring month, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 55.4°F (13°C). The arrival of April brings a temperature shift, with the average high-temperature escalating from a frosty 43°F (6.1°C) in March to a refreshing 55.4°F (13°C). Weather in April »Weather in May
May, the last month of the spring in Plymouth, is a refreshing month, with an average temperature ranging between min 48°F (8.9°C) and max 67.6°F (19.8°C). The shift into May brings an increase in the average high-temperature, moving from a mild 55.4°F (13°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 warm month in Plymouth, Pennsylvania, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 54.5°F (12.5°C). The shift from May to June sees a slight increase in the average high-temperature, transitioning from an enjoyable 67.6°F (19.8°C) to a warm 75.2°F (24°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Plymouth, Pennsylvania, with an average temperature ranging between max 80.8°F (27.1°C) and min 59.2°F (15.1°C). July is the month when Plymouth's temperatures reach their peak, with averages of 80.8°F (27.1°C) and lows of 59.2°F (15.1°C). July's heat index is computed to be a hot 86°F (30°C). Weather in July »Weather in August
August, the last month of the summer in Plymouth, is also a moderately hot month, with an average temperature varying between 78.3°F (25.7°C) and 57.6°F (14.2°C). August welcomes an average high-temperature of a still moderately hot 78.3°F (25.7°C), not much different from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Plymouth, Pennsylvania, with an average temperature varying between 51.6°F (10.9°C) and 71.4°F (21.9°C). The transition into September subtly indicates a reduction in the average high-temperature, down to an agreeable 71.4°F (21.9°C) from August's warm 78.3°F (25.7°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Plymouth, Pennsylvania, with an average temperature varying between 59°F (15°C) and 42.8°F (6°C). Transition from September to October is accompanied by a temperature drop, with average high-temperatures decreasing from a pleasant 71.4°F (21.9°C) to a refreshing 59°F (15°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Plymouth, Pennsylvania, with an average temperature fluctuating between 46.2°F (7.9°C) and 32.5°F (0.3°C). As November begins, there is a decrease in the average high-temperature, falling from a moderate 59°F (15°C) in October to a frosty 46.2°F (7.9°C). Weather in November »Weather in December
December, the first month of the winter in Plymouth, is still a cold month, with temperature in the range of an average high of 36.9°F (2.7°C) and an average low of 25.9°F (-3.4°C). Plymouth's December weather features a mild decline in high-temperatures, reducing from a frosty 46.2°F (7.9°C) in November to a cold 36.9°F (2.7°C). Weather in December »Updated: Aug 28, 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
With average temperatures fluctuating between a high of 30.6°F (-0.8°C) and a low of 18.7°F (-7.4°C), January stands out as the coldest month.
In Plymouth, during the entire year, the rain falls for 142.7 days and collects up to 13.19" (335mm) of precipitation.
January through May, October through December are months with snowfall.
Throughout the year, there are 49.9 snowfall days, and 9.92" (252mm) of snow is accumulated.
The months with the least sunshine are January and February, with an average of 3.7h of sunshine.
The months with the highest humidity are February and December, with an average relative humidity of 84%.
February is the month with the most snowfall. Snow falls for 11.5 days and accumulates 2.83" (72mm) of snow.
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.
April is the least humid month, with an average relative humidity of 77%.
The months with the highest UV index are May through August, with an average maximum UV index of 5.
In Plymouth, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 6min of daylight.
July, marked by an average high-temperature of 80.8°F (27.1°C) and a low-temperature of 59.2°F (15.1°C), is the warmest month.
July is the month with the most rainfall. Rain falls for 15.2 days and accumulates 1.5" (38mm) of precipitation.
The month with the most sunshine is July, with an average of 10.2h of sunshine.
The month with the least rainfall is September, when the rain falls for 9.9 days and typically collects 0.71" (18mm) of precipitation.
With an average of 9h and 18min of daylight, December has the shortest days of the year in Plymouth.
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Plymouth, PA
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure
Plymouth, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.98"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:
30.07"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
Plymouth, PA
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.6mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Plymouth, PA
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (77%).
Average rainfall
Plymouth, PA
- Average rainfall in January:
0.91" - Average rainfall in February:
0.91" - Average rainfall in March:
1.06" - Average rainfall in April:
1.1" - Average rainfall in May:
1.18" - Average rainfall in June:
1.22"
- Average rainfall in July:
1.5" - Average rainfall in August:
1.46" - Average rainfall in September:
0.71" - Average rainfall in October:
1.14" - Average rainfall in November:
1.02" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days
Plymouth, PA
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8.5 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
15.4 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
15.2 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
11.3 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Plymouth, PA
- Average snowfall in January:
2.28" - Average snowfall in February:
2.83" - Average snowfall in March:
1.38" - Average snowfall in April:
0.28" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Plymouth, PA
- Average snowfall days in January:
13.7 days - Average snowfall days in February:
11.5 days - Average snowfall days in March:
7.6 days - Average snowfall days in April:
2.5 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:
4.3 days - Average snowfall days in December:
10 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Plymouth, PA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 6min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 48min - Average sunshine in December:
3h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days
Plymouth, PA
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
11.6 days - Average sunshine days in March:
12.9 days - Average sunshine days in April:
12 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
12.7 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
15 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
16.9 days - Average sunshine days in December:
13.7 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (11.6 days).
Average UV index
Plymouth, 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
Plymouth, PA
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility
Plymouth, 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).
