Climate and monthly weather forecast
Yerkes, PA

Weather in January

January, like December, in Yerkes, Pennsylvania, is another cold winter month, with an average temperature varying between 36°F (2.2°C) and 23.9°F (-4.5°C). With an average high-temperature of 36°F (2.2°C) and an average low-temperature of 23.9°F (-4.5°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Yerkes, is also a wintry month, with an average temperature fluctuating between 39.6°F (4.2°C) and 26.1°F (-3.3°C). In Yerkes, the average high-temperature in February is almost the same as in January - a still wintry 39.6°F (4.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Yerkes, Pennsylvania, with an average temperature fluctuating between 48.4°F (9.1°C) and 32.9°F (0.5°C). In March, the average high-temperature slightly increases from a cold 39.6°F (4.2°C) in February to a chilly 48.4°F (9.1°C). Weather in March »

Weather in April

April is a mild spring month in Yerkes, Pennsylvania, with an average temperature ranging between max 60.6°F (15.9°C) and min 43.2°F (6.2°C). In Yerkes, the average high-temperature in April rises from a frosty 48.4°F (9.1°C) in March to a mild 60.6°F (15.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Yerkes, Pennsylvania, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 71.2°F (21.8°C). In May, the average high-temperature increases from a moderate 60.6°F (15.9°C) in April to a pleasant 71.2°F (21.8°C). Weather in May »

Weather in June

June, the first month of the summer in Yerkes, is a moderately hot month, with an average temperature varying between 79.2°F (26.2°C) and 61°F (16.1°C). In June, the average high-temperature slightly increases from a pleasant 71.2°F (21.8°C) in May to a warm 79.2°F (26.2°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Yerkes, Pennsylvania, with an average temperature fluctuating between 66.7°F (19.3°C) and 85.1°F (29.5°C). With an average high-temperature of 85.1°F (29.5°C) and an average low-temperature of 66.7°F (19.3°C), July is the warmest month. In July, the average heat index is estimated at a sweltering 95°F (35°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Yerkes, Pennsylvania, with an average temperature ranging between max 82.8°F (28.2°C) and min 65.5°F (18.6°C). In August, the average high-temperature is essentially the same as in July - a still moderately hot 82.8°F (28.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Yerkes, Pennsylvania, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 58.6°F (14.8°C). In September, the average high-temperature slightly decreases from a warm 82.8°F (28.2°C) in August to a still moderately hot 75.7°F (24.3°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Yerkes, Pennsylvania, with an average temperature fluctuating between 63.5°F (17.5°C) and 48.4°F (9.1°C). In Yerkes, the average high-temperature in October drops from a warm 75.7°F (24.3°C) in September to a comfortable 63.5°F (17.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Yerkes, Pennsylvania, with an average temperature fluctuating between 37.6°F (3.1°C) and 51.1°F (10.6°C). In November, the average high-temperature drops from an enjoyable 63.5°F (17.5°C) in October to a fresh 51.1°F (10.6°C). Weather in November »

Weather in December

December, the first month of the winter in Yerkes, is still a cold month, with an average temperature varying between 30.9°F (-0.6°C) and 42.3°F (5.7°C). In Yerkes, the average high-temperature in December slightly decreases from a fresh 51.1°F (10.6°C) in November to a cold 42.3°F (5.7°C). Weather in December »
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FAQ

What is the coldest month in Yerkes?

January is the coldest month in Yerkes, with an average high-temperature of 36°F (2.2°C) and an average low-temperature of 23.9°F (-4.5°C).

How much does it rain in Yerkes?

In Yerkes, Pennsylvania, during the entire year, the rain falls for 132.3 days and collects up to 13.98" (355mm) of precipitation.

When does it snow in Yerkes?

January through March, November and December are months with snowfall.

When does it snow the most in Yerkes?

The months with the most snowfall in Yerkes, Pennsylvania, are January and February, with an average 0.59" (15mm) of accumulated snow.

How many days does it snow in Yerkes?

Throughout the year, there are 15.1 snowfall days, and 2.2" (56mm) of snow is accumulated.

What are the months with the lowest UV index in Yerkes?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Yerkes.

What is the most humid month in Yerkes?

February is the most humid month, with an average relative humidity of 80%.

What is the driest month in Yerkes?

The month with the least rainfall is February, when the rain falls for 7.5 days and typically collects 0.75" (19mm) of precipitation.

What is the month with the least sunshine in Yerkes?

The month with the least sunshine in Yerkes is February, with an average of 4.6h of sunshine.

When is Daylight Saving Time (DST) in Yerkes?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Yerkes, Pennsylvania, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Yerkes?

The months with the lowest humidity in Yerkes, Pennsylvania, are April and July, with an average relative humidity of 74%.

When it does not snow in Yerkes?

In Yerkes, Pennsylvania, snow does not fall in April through October.

When is the highest UV index in Yerkes?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Yerkes, Pennsylvania.

When are the longest days in Yerkes?

June has the longest days of the year in Yerkes, with an average of 14h and 59min of daylight.

What is the warmest month in Yerkes?

With an average high-temperature of 85.1°F (29.5°C) and an average low-temperature of 66.7°F (19.3°C), July is the warmest month in Yerkes, Pennsylvania.

What month has the most sunshine in Yerkes?

With an average of 10.5h of sunshine, July has the most sunshine of the year.

What is the rainiest month in Yerkes?

August is the month with the most rainfall in Yerkes, Pennsylvania. Rain falls for 13.5 days and accumulates 1.77" (45mm) of precipitation.

What is the month with the shortest days in Yerkes?

With an average of 9h and 22min of daylight, December has the shortest days of the year.

Average temperature
Yerkes, PA

Average temperature - Yerkes, PA

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36°F).

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

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Average pressure
Yerkes, PA

Average pressure - Yerkes, PA

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Yerkes, PA

Average wind speed - Yerkes, PA

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity
Yerkes, PA

Average humidity - Yerkes, PA

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).

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Average rainfall
Yerkes, PA

Average rainfall - Yerkes, PA

The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.75").

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Average rainfall days
Yerkes, PA

Average rainfall days - Yerkes, PA

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.9 days).

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Average snowfall
Yerkes, PA

Average snowfall - Yerkes, PA

The months with the highest snowfall are January and February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Yerkes, PA

Average snowfall days - Yerkes, PA

The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Yerkes, PA

Average daylight / Average sunshine - Yerkes, PA

The month with the longest days is June (Average daylight: 14h and 59min).
The month with the shortest days is December (Average daylight: 9h and 22min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
Yerkes, PA

Average sunshine days - Yerkes, PA

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is June (12.8 days).

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Average UV index
Yerkes, PA

Average UV index - Yerkes, PA

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
Yerkes, PA

Average visibility - Yerkes, PA

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

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