Climate and monthly weather forecastSeneca, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Seneca, Pennsylvania, is a freezing cold winter month, with an average temperature varying between 30°F (-1.1°C) and 17.8°F (-7.9°C). Seneca's coldest weather arrives in January, when temperatures average a high of 30°F (-1.1°C) and a low of 17.8°F (-7.9°C). Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Seneca, Pennsylvania, with an average temperature varying between 34°F (1.1°C) and 19.2°F (-7.1°C). As Seneca steps into February, the average high-temperature is measured at a cold 34°F (1.1°C), displaying minor differences from January's 30°F (-1.1°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Seneca, Pennsylvania, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 43.5°F (6.4°C). Seneca sees a rise in temperature during March, with average high-temperatures transitioning from an icy 34°F (1.1°C) in February to a chilly 43.5°F (6.4°C). Weather in March »Weather in April
April is a mild spring month in Seneca, Pennsylvania, with an average temperature varying between 56.1°F (13.4°C) and 37°F (2.8°C). April's arrival sees a rise in the average high-temperature, jumping from March's frosty 43.5°F (6.4°C) to a refreshing 56.1°F (13.4°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Seneca, Pennsylvania, with temperature in the range of an average high of 68.7°F (20.4°C) and an average low of 47.7°F (8.7°C). Seneca sees an increase in the average high-temperature with the arrival of May, moving from April's mild 56.1°F (13.4°C) to a pleasant 68.7°F (20.4°C). Weather in May »Weather in June
June, the first month of the summer in Seneca, is a warm month, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 54.7°F (12.6°C). As Seneca welcomes June, the average high-temperature displays a subtle shift, adjusting from an agreeable 68.7°F (20.4°C) in May to a moderately hot 75.6°F (24.2°C). Weather in June »Weather in July
July, like June, in Seneca, Pennsylvania, is another warm summer month, with an average temperature ranging between min 58.8°F (14.9°C) and max 80.2°F (26.8°C). The temperatures reach their highest averages in July, with highs of 80.2°F (26.8°C) and lows of 58.8°F (14.9°C). Weather in July »Weather in August
August, the last month of the summer in Seneca, is also a moderately hot month, with an average temperature fluctuating between 57°F (13.9°C) and 78.6°F (25.9°C). With the onset of August, the average high-temperature stands at a still moderately hot 78.6°F (25.9°C), closely aligned with July's 80.2°F (26.8°C). Weather in August »Weather in September
September, the first month of the autumn in Seneca, is also an agreeable month, with an average temperature varying between 72.3°F (22.4°C) and 52.3°F (11.3°C). September brings a slight decrease in the average high-temperature, shifting from a warm 78.6°F (25.9°C) in August to an agreeable 72.3°F (22.4°C). Weather in September »Weather in October
October, the same as September, in Seneca, Pennsylvania, is another refreshing autumn month, with an average temperature fluctuating between 58.8°F (14.9°C) and 43.2°F (6.2°C). Seneca's average high-temperature decreases in October, falling from a pleasant 72.3°F (22.4°C) in September to a mild 58.8°F (14.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Seneca, Pennsylvania, with an average temperature varying between 45.5°F (7.5°C) and 32°F (0°C). Onset of November witnesses a reduction in the average high-temperature, falling from a moderate 58.8°F (14.9°C) in October to a chilly 45.5°F (7.5°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Seneca, Pennsylvania, with an average temperature ranging between max 36.1°F (2.3°C) and min 25.9°F (-3.4°C). A shift in the average high-temperature occurs in December, reducing from a frosty 45.5°F (7.5°C) in November to a cold 36.1°F (2.3°C). Weather in December »Updated: Jun 4, 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, marked by an average high-temperature of 30°F (-1.1°C) and a low-temperature of 17.8°F (-7.9°C), is the coldest month.
Throughout the year, there are 177.7 rainfall days, and 35.67" (906mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
January is the month with the most snowfall. Snow falls for 21.3 days and accumulates 10.83" (275mm) of snow.
Throughout the year, there are 86.5 snowfall days, and 43.07" (1094mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 2.3h of sunshine.
With an average relative humidity of 89%, 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.
April is the month with the most rainfall. Rain falls for 17.6 days and accumulates 3.9" (99mm) of precipitation.
The least humid month in Seneca is May, with an average relative humidity of 78%.
May through August, with an average maximum UV index of 5, are months with the highest UV index.
In Seneca, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 6min of daylight.
July is the month when Seneca, Pennsylvania, experiences its warmest temperatures, averaging a high of 80.2°F (26.8°C) and a low of 58.8°F (14.9°C).
The months with the most sunshine in Seneca are July and August, with an average of 9.7h of sunshine.
November is the month with the least rainfall. Rain falls for 11.9 days and accumulates 2.36" (60mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 12min of daylight.
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Seneca, 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°F).
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure
Seneca, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.02"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
Seneca, PA
- Average wind speed in January:
8.2mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity
Seneca, PA
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (78%).
Average rainfall
Seneca, PA
- Average rainfall in January:
3.07" - Average rainfall in February:
2.8" - Average rainfall in March:
2.87" - Average rainfall in April:
3.9" - Average rainfall in May:
3.35" - Average rainfall in June:
3.27"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.44" - Average rainfall in September:
2.48" - Average rainfall in October:
3.23" - Average rainfall in November:
2.36" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days
Seneca, PA
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
17.6 days - Average rainfall days in May:
19.3 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
19.2 days - Average rainfall days in August:
17.6 days - Average rainfall days in September:
15.8 days - Average rainfall days in October:
17.4 days - Average rainfall days in November:
11.9 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Seneca, PA
- Average snowfall in January:
10.83" - Average snowfall in February:
10.24" - Average snowfall in March:
4.72" - Average snowfall in April:
2.28" - Average snowfall in May:
0.55" - Average snowfall in June:
0"
The month with the highest snowfall is January (10.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Seneca, PA
- Average snowfall days in January:
21.3 days - Average snowfall days in February:
18.5 days - Average snowfall days in March:
12.3 days - Average snowfall days in April:
5 days - Average snowfall days in May:
0.8 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:
1.2 days - Average snowfall days in November:
9.8 days - Average snowfall days in December:
17.6 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Seneca, 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 24min - 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 12min
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 12min).
- Average sunshine in January:
2h and 18min - Average sunshine in February:
2h and 42min - Average sunshine in March:
5h and 0min - Average sunshine in April:
6h and 54min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 12min - Average sunshine in October:
4h and 36min - Average sunshine in November:
4h and 18min - Average sunshine in December:
2h and 36min
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 18min).
Average sunshine days
Seneca, PA
- Average sunshine days in January:
5.8 days - Average sunshine days in February:
5.6 days - Average sunshine days in March:
9.4 days - Average sunshine days in April:
8.8 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
10.7 days - Average sunshine days in September:
12.1 days - Average sunshine days in October:
11.1 days - Average sunshine days in November:
11.6 days - Average sunshine days in December:
7.5 days
The month with the most sunshine days is September (12.1 days).
The month with the least sunshine days is February (5.6 days).
Average UV index
Seneca, 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
Seneca, PA
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility
Seneca, PA
The months with the highest visibility are March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, September and December (4mi).
