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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, is a freezing cold winter month in Summerville, Pennsylvania, with an average temperature varying between 17.8°F (-7.9°C) and 30.2°F (-1°C). January is the coldest month of the year, registering average temperatures as high as 30.2°F (-1°C) and as low as 17.8°F (-7.9°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Summerville, Pennsylvania, with an average temperature varying between 34°F (1.1°C) and 19.8°F (-6.8°C). The arrival of February brings an average high-temperature of a wintry 34°F (1.1°C), nearly identical to January's 30.2°F (-1°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Summerville, Pennsylvania, with an average temperature varying between 27.9°F (-2.3°C) and 43.5°F (6.4°C). The onset of March brings a rise in the average high-temperature, elevating from a wintry 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 refreshing spring month in Summerville, Pennsylvania, with an average temperature fluctuating between 37.6°F (3.1°C) and 56.3°F (13.5°C). April's arrival coincides with a rise in the average high-temperature, moving from March's frosty 43.5°F (6.4°C) to a moderate 56.3°F (13.5°C). Weather in April »
Weather in May
May, the last month of the spring in Summerville, is a pleasant month, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 47.8°F (8.8°C). The commencement of May sees a shift in the average high-temperature, moving from a mild 56.3°F (13.5°C) in April to an agreeable 68.5°F (20.3°C). Weather in May »
Weather in June
June, the first month of the summer in Summerville, is a moderately hot month, with an average temperature fluctuating between 54.5°F (12.5°C) and 75.6°F (24.2°C). June's onset witnesses a minor shift in the average high-temperature, moving from an agreeable 68.5°F (20.3°C) in May to a warm 75.6°F (24.2°C). Weather in June »
Weather in July
July, like June, in Summerville, Pennsylvania, is another warm summer month, with an average temperature ranging between max 80.6°F (27°C) and min 58.8°F (14.9°C). July, recording an average high temperature of 80.6°F (27°C) and a low temperature of 58.8°F (14.9°C), is Summerville's warmest month. During July, the heat index is computed to be a hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Summerville, Pennsylvania, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 56.7°F (13.7°C). The introduction of August notes a subtle temperature variation to a still moderately hot 78.6°F (25.9°C) from July's 80.6°F (27°C). Weather in August »
Weather in September
September, the first month of the autumn in Summerville, is also an agreeable month, with temperature in the range of an average low of 52.2°F (11.2°C) and an average high of 72.1°F (22.3°C). With the onset of September, the average high-temperature subtly recedes from August's moderately hot 78.6°F (25.9°C) to an agreeable 72.1°F (22.3°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Summerville, Pennsylvania, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 43.3°F (6.3°C). As October begins, there is a decrease in the average high-temperature, falling from a pleasant 72.1°F (22.3°C) in September to a moderate 58.6°F (14.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Summerville, Pennsylvania, with an average temperature fluctuating between 45.7°F (7.6°C) and 32°F (0°C). November's onset brings a slight change in high-temperatures, falling from a moderate 58.6°F (14.8°C) in October to a frosty 45.7°F (7.6°C). Weather in November »
Weather in December
December, the first month of the winter in Summerville, is still a cold month, with an average temperature ranging between min 25.5°F (-3.6°C) and max 36.5°F (2.5°C). In Summerville, the average high-temperature in December decreases from a chilly 45.7°F (7.6°C) in November to a cold 36.5°F (2.5°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Summerville?
The coldest month in Summerville is January, with an average high-temperature of 30.2°F (-1°C) and an average low-temperature of 17.8°F (-7.9°C).
How many days does it rain in Summerville?
In Summerville, during the entire year, the rain falls for 150.5 days and collects up to 22.05" (560mm) of precipitation.
When does it snow in Summerville?
Months with snowfall are January through May, October through December.
How many days does it snow in Summerville?
In Summerville, Pennsylvania, during the entire year, snow falls for 72.4 days and aggregates up to 22.28" (566mm) of snow.
What is the month with the least sunshine in Summerville?
January has the least sunshine of the year in Summerville, Pennsylvania, with an average of 2.5h of sunshine.
What is the most humid month in Summerville?
February is the most humid month in Summerville, Pennsylvania, with an average relative humidity of 88%.
When does it snow the most in Summerville?
February is the month with the most snowfall. Snow falls for 15.8 days and accumulates 5.51" (140mm) of snow.
When is Daylight Saving Time (DST) in Summerville?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Summerville, Pennsylvania, 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 is the rainiest month in Summerville?
The month with the most rainfall is April, when the rain falls for 16.1 days and typically aggregates up to 2.56" (65mm) of precipitation.
When is the highest UV index in Summerville?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
What are the least humid months in Summerville?
June through August, with an average relative humidity of 78%, are the least humid months.
When it does not snow in Summerville?
June through September are months without snowfall in Summerville.
When are the longest days in Summerville?
June has the longest days of the year in Summerville, with an average of 15h and 6min of daylight.
What time of the year is the hottest in Summerville?
In Summerville, July is known for its average highest temperatures, reaching a high of 80.6°F (27°C) and a low of 58.8°F (14.9°C).
What are the months with the most sunshine in Summerville?
The months with the most sunshine are July and August, with an average of 9.7h of sunshine.
What is the driest month in Summerville?
November is the month with the least rainfall in Summerville, Pennsylvania. Rain falls for 8.5 days and accumulates 1.26" (32mm) of precipitation.
What is the month with the shortest days in Summerville?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
What is the month with the lowest UV index in Summerville?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Summerville, PA
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (30.2°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
Summerville, 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:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.94"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:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"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
Summerville, PA
- Average wind speed in January:
8.9mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7.2mph - Average wind speed in November:
7.7mph - Average wind speed in December:
8.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Summerville, PA
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall
Summerville, PA
- Average rainfall in January:
1.54" - Average rainfall in February:
1.89" - Average rainfall in March:
1.57" - Average rainfall in April:
2.56" - Average rainfall in May:
2.32" - Average rainfall in June:
1.85"
- Average rainfall in July:
1.97" - Average rainfall in August:
1.46" - Average rainfall in September:
1.73" - Average rainfall in October:
2.28" - Average rainfall in November:
1.26" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days
Summerville, PA
- Average rainfall days in January:
7.2 days - Average rainfall days in February:
8 days - Average rainfall days in March:
10.9 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.2 days).
Average snowfall
Summerville, PA
- Average snowfall in January:
4.96" - Average snowfall in February:
5.51" - Average snowfall in March:
2.83" - Average snowfall in April:
1.3" - Average snowfall in May:
0.75" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Summerville, PA
- Average snowfall days in January:
18 days - Average snowfall days in February:
15.8 days - Average snowfall days in March:
10.8 days - Average snowfall days in April:
4.5 days - Average snowfall days in May:
0.5 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:
8.1 days - Average snowfall days in December:
13.5 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Summerville, 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 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
2h and 3min - Average sunshine in February:
2h and 5min - Average sunshine in March:
5h and 1min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 2min - Average sunshine in October:
4h and 4min - Average sunshine in November:
4h and 2min - Average sunshine in December:
2h and 4min
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 30min).
Average sunshine days
Summerville, PA
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
8.1 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
11 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
14.6 days - Average sunshine days in November:
15.3 days - Average sunshine days in December:
11.4 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (8.1 days).
Average UV index
Summerville, 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
Summerville, PA
The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility
Summerville, PA
The month with the highest visibility is April (6mi).
The month with the lowest visibility is February (4mi).
Summerville, Pennsylvania, USA
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