Climate and monthly weather forecast
Mill Creek, PA

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Weather in January

January, like December, in Mill Creek, Pennsylvania, is a wintry winter month, with an average temperature ranging between min 20.1°F (-6.6°C) and max 32.9°F (0.5°C). In Mill Creek, the lowest average temperatures are observed in January, with a high of 32.9°F (0.5°C) and a low of 20.1°F (-6.6°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Mill Creek, Pennsylvania, with an average temperature ranging between max 37.2°F (2.9°C) and min 22.8°F (-5.1°C). Transitioning into February, Mill Creek records an average high-temperature of a still cold 37.2°F (2.9°C), almost identical to January's 32.9°F (0.5°C). Weather in February »

Weather in March

March, the first month of the spring in Mill Creek, is a chilly month, with an average temperature ranging between min 29.8°F (-1.2°C) and max 46.9°F (8.3°C). The beginning of March signals a rise in the average high-temperature, moving from a cold 37.2°F (2.9°C) in February to a frosty 46.9°F (8.3°C). Weather in March »

Weather in April

April in Mill Creek, Pennsylvania, is a refreshing spring month, with an average temperature ranging between min 39.7°F (4.3°C) and max 59.4°F (15.2°C). As April sets, the average high-temperature shows an increase, moving up from a chilly 46.9°F (8.3°C) in March to a moderate 59.4°F (15.2°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Mill Creek, Pennsylvania, with an average temperature varying between 49.5°F (9.7°C) and 70.3°F (21.3°C). The shift from April to May brings an increase in the average high-temperature, moving from a refreshing 59.4°F (15.2°C) to a pleasant 70.3°F (21.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Mill Creek, Pennsylvania, with an average temperature fluctuating between 55.9°F (13.3°C) and 78.3°F (25.7°C). As Mill Creek, Pennsylvania, transitions into June, a marginal rise in the average high-temperature is observed, moving from an agreeable 70.3°F (21.3°C) in May to a moderately hot 78.3°F (25.7°C). Weather in June »

Weather in July

July, like June, in Mill Creek, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 83.7°F (28.7°C) and 60.4°F (15.8°C). July brings the highest temperatures, with an average high of 83.7°F (28.7°C) and an average low of 60.4°F (15.8°C). July's average heat index is calculated to be a tropical 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Mill Creek, is also a moderately hot month, with an average temperature fluctuating between 58.5°F (14.7°C) and 81.3°F (27.4°C). The average high-temperature during August registers at a still warm 81.3°F (27.4°C), maintaining a close resemblance to the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Mill Creek, Pennsylvania, with an average temperature ranging between max 74.3°F (23.5°C) and min 53.2°F (11.8°C). The arrival of September is marked by a minor reduction in average high-temperature, sliding from a moderately hot 81.3°F (27.4°C) in August to a still warm 74.3°F (23.5°C). Weather in September »

Weather in October

October, like September, in Mill Creek, Pennsylvania, is another refreshing autumn month, with an average temperature varying between 43.9°F (6.6°C) and 61.5°F (16.4°C). Mill Creek's October weather comes with a decrease in average high-temperatures, moving from a moderately hot 74.3°F (23.5°C) in September to a comfortable 61.5°F (16.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Mill Creek, Pennsylvania, with an average temperature fluctuating between 32.9°F (0.5°C) and 48.4°F (9.1°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a comfortable 61.5°F (16.4°C) in October to a chilly 48.4°F (9.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Mill Creek, Pennsylvania, with an average temperature varying between 27.5°F (-2.5°C) and 38.8°F (3.8°C). December's onset brings a slight change in high-temperatures, falling from a chilly 48.4°F (9.1°C) in November to a cold 38.8°F (3.8°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Mill Creek?

The month of January sees the average lowest temperatures, reaching 32.9°F (0.5°C) at the peak and 20.1°F (-6.6°C) at the low.

How much does it rain in Mill Creek?

In Mill Creek, Pennsylvania, during the entire year, the rain falls for 164.3 days and collects up to 28.19" (716mm) of precipitation.

When does it snow in Mill Creek?

January through April, October through December are months with snowfall in Mill Creek, Pennsylvania.

What is the snowiest month in Mill Creek?

The month with the most snowfall in Mill Creek is January, when snow falls for 12.2 days and typically aggregates up to 5.24" (133mm) of snow.

How much does it snow in Mill Creek?

Throughout the year, in Mill Creek, there are 40.6 snowfall days, and 17.91" (455mm) of snow is accumulated.

What is the month with the least sunshine in Mill Creek?

January has the least sunshine of the year in Mill Creek, Pennsylvania, with an average of 4.2h of sunshine.

What are the months with the lowest UV index in Mill Creek?

The months with the lowest UV index in Mill Creek, Pennsylvania, are January through March, October through December, with an average maximum UV index of 2.

What is the most humid month in Mill Creek?

With an average relative humidity of 82%, February is the most humid month.

When is Daylight Saving Time (DST) in Mill Creek?

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 is the wettest month in Mill Creek?

The month with the most rainfall in Mill Creek is May, when the rain falls for 17.7 days and typically aggregates up to 3.07" (78mm) of precipitation.

When it does not snow in Mill Creek?

In Mill Creek, Pennsylvania, snow does not fall in May through September.

What is the month with the highest UV index in Mill Creek?

The months with the highest UV index in Mill Creek, Pennsylvania, are May and June, with an average maximum UV index of 6.

When are the longest days in Mill Creek?

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

What are the warmest months in Mill Creek?

In Mill Creek, July records the average highest temperatures, peaking at 83.7°F (28.7°C) and reaching a low of 60.4°F (15.8°C).

What is the least humid month in Mill Creek?

With an average relative humidity of 75%, July is the least humid month.

What month has the most sunshine in Mill Creek?

The month with the most sunshine in Mill Creek is July, with an average of 10.3h of sunshine.

What is the driest month in Mill Creek?

The month with the least rainfall in Mill Creek, Pennsylvania, is September, when the rain falls for 12.8 days and typically collects 1.85" (47mm) of precipitation.

What is the month with the shortest days in Mill Creek?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

Average temperature
Mill Creek, PA

Average temperature - Mill Creek, PA

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure
Mill Creek, PA

Average pressure - Mill Creek, 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).

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Average wind speed
Mill Creek, PA

Average wind speed - Mill Creek, PA

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average rainfall
Mill Creek, PA

Average rainfall - Mill Creek, PA

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days
Mill Creek, PA

Average rainfall days - Mill Creek, PA

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (9.5 days).

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Average snowfall
Mill Creek, PA

Average snowfall - Mill Creek, PA

The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Mill Creek, PA

Average snowfall days - Mill Creek, PA

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Mill Creek, PA

Average daylight / Average sunshine - Mill Creek, 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 July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days
Mill Creek, PA

Average sunshine days - Mill Creek, PA

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index
Mill Creek, PA

Average UV index - Mill Creek, PA

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

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Average visibility
Mill Creek, PA

Average visibility - Mill Creek, 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).

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Mill Creek, Pennsylvania, USA

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