Climate and monthly weather forecast
Summerhill, PA

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Weather in January

January, like December, is a freezing cold winter month in Summerhill, Pennsylvania, with an average temperature ranging between min 18.9°F (-7.3°C) and max 30.6°F (-0.8°C). Summerhill's temperature records reveal January as the coldest month, marked by average highs of 30.6°F (-0.8°C) and lows of 18.9°F (-7.3°C). Weather in January »

Weather in February

February, the last month of the winter in Summerhill, is a cold month, with an average temperature ranging between max 35.2°F (1.8°C) and min 21.6°F (-5.8°C). In February, Summerhill experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 30.6°F (-0.8°C) in January to a wintry 35.2°F (1.8°C). Weather in February »

Weather in March

March, the first month of the spring in Summerhill, is a frosty month, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 29.1°F (-1.6°C). With the onset of March, Summerhill observes a minor temperature ascent, with the average high-temperature adjusting from February's cold 35.2°F (1.8°C) to a chilly 44.1°F (6.7°C). Weather in March »

Weather in April

April in Summerhill, Pennsylvania, is a refreshing spring month, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 56.8°F (13.8°C). April's onset is marked by a temperature increase, moving from a frosty 44.1°F (6.7°C) in March to a refreshing 56.8°F (13.8°C). Weather in April »

Weather in May

May, the last month of the spring in Summerhill, is a comfortable month, with an average temperature fluctuating between 67.8°F (19.9°C) and 48.7°F (9.3°C). Summerhill's transition into May brings a rise in the average high-temperature, moving from a mild 56.8°F (13.8°C) in April to a still refreshing 67.8°F (19.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Summerhill, Pennsylvania, with an average temperature fluctuating between 75.2°F (24°C) and 55°F (12.8°C). June signals a minor shift in the average high-temperature, moving from May's comfortable 67.8°F (19.9°C) to a warm 75.2°F (24°C). Weather in June »

Weather in July

July, like June, in Summerhill, Pennsylvania, is another warm summer month, with an average temperature ranging between min 59.5°F (15.3°C) and max 79.9°F (26.6°C). In Summerhill, July is identified by the highest average temperatures, reaching a peak of 79.9°F (26.6°C) and a low of 59.5°F (15.3°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Summerhill, Pennsylvania, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 78.3°F (25.7°C). The transition into August is marked with an average high-temperature of a still moderately hot 78.3°F (25.7°C), showing an insignificant shift from July's 79.9°F (26.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Summerhill, Pennsylvania, with an average temperature fluctuating between 72°F (22.2°C) and 52.7°F (11.5°C). The average high-temperature shows a slight dip in September, from August's moderately hot 78.3°F (25.7°C) to an agreeable 72°F (22.2°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Summerhill, Pennsylvania, with an average temperature varying between 43.5°F (6.4°C) and 58.8°F (14.9°C). A decrease in the average high-temperature is observed during October, shifting from an agreeable 72°F (22.2°C) in September to a refreshing 58.8°F (14.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Summerhill, Pennsylvania, with an average temperature varying between 46.6°F (8.1°C) and 32.4°F (0.2°C). Start of November brings a shift in the average high-temperature, falling from October's mild 58.8°F (14.9°C) to a frosty 46.6°F (8.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Summerhill, Pennsylvania, with an average temperature fluctuating between 26.6°F (-3°C) and 36.9°F (2.7°C). The commencement of December indicates a shift in the average high-temperature, receding from November's frosty 46.6°F (8.1°C) to a wintry 36.9°F (2.7°C). Weather in December »
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Summerhill's January weather, marked by an average high temperature of 30.6°F (-0.8°C) and an average low temperature of 18.9°F (-7.3°C), is the coldest in the year.

How many days does it rain?

In Summerhill, during the entire year, the rain falls for 165.8 days and collects up to 29.84" (758mm) of precipitation.

When does it snow?

Months with snowfall are January through May, October through December.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 14.8 days and accumulates 6.34" (161mm) of snow.

How many days does it snow?

Throughout the year, there are 51.3 snowfall days, and 23.54" (598mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 3.3h of sunshine, January has the least sunshine of the year.

What is the most humid month?

With an average relative humidity of 86%, February is the most humid month.

When is Daylight Saving Time (DST)?

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.

What are the least humid months?

The months with the lowest humidity are April and July, with an average relative humidity of 78%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 19.5 days and typically aggregates up to 3.23" (82mm) of precipitation.

What are the months with the highest UV index in Summerhill?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

When it does not snow?

In Summerhill, snow does not fall in June through September.

When are the longest days?

June has the longest days of the year, with an average of 15h and 0min of daylight.

What time of the year is the hottest?

In Summerhill, July records the average highest temperatures, peaking at 79.9°F (26.6°C) and reaching a low of 59.5°F (15.3°C).

What month has the most sunshine?

The month with the most sunshine is August, with an average of 9.8h of sunshine.

What is the driest month?

The month with the least rainfall is November, when the rain falls for 9.8 days and typically collects 1.61" (41mm) of precipitation.

What is the month with the shortest days?

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?

December is the month with the lowest UV index, with an average maximum UV index of 1.

Average temperature
Summerhill, PA

Average temperature - Summerhill, PA

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30.6°F).

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure
Summerhill, PA

Average pressure - Summerhill, PA

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
Summerhill, PA

Average wind speed - Summerhill, PA

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity
Summerhill, PA

Average humidity - Summerhill, PA

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall
Summerhill, PA

Average rainfall - Summerhill, PA

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is November (1.61").

Average rainfall days
Summerhill, PA

Average rainfall days - Summerhill, PA

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is December (8.8 days).

Average snowfall
Summerhill, PA

Average snowfall - Summerhill, PA

The month with the highest snowfall is January (6.34").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Summerhill, PA

Average snowfall days - Summerhill, PA

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Summerhill, PA

Average daylight / Average sunshine - Summerhill, PA

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).

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days
Summerhill, PA

Average sunshine days - Summerhill, PA

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.7 days).

Average UV index
Summerhill, PA

Average UV index - Summerhill, 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 visibility
Summerhill, PA

Average visibility - Summerhill, 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).

Summerhill, Pennsylvania, USA

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