Climate and monthly weather forecast
Mount Union, PA

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Weather in January

January, like December, in Mount Union, Pennsylvania, is an icy winter month, with an average temperature varying between 32.9°F (0.5°C) and 20.1°F (-6.6°C). Mount Union's temperature records reveal January as the coldest month, marked by average highs of 32.9°F (0.5°C) and lows of 20.1°F (-6.6°C). Weather in January »

Weather in February

February, the last month of the winter in Mount Union, is also a wintry month, with an average temperature fluctuating between 22.8°F (-5.1°C) and 37.2°F (2.9°C). The advent of February sees the average high-temperature at a still icy 37.2°F (2.9°C), subtly shifted from January's 32.9°F (0.5°C). Weather in February »

Weather in March

March, the first month of the spring in Mount Union, is a frosty month, with an average temperature varying between 29.8°F (-1.2°C) and 46.9°F (8.3°C). The commencement of March sees a shift in the average high-temperature, moving from a cold 37.2°F (2.9°C) in February to a chilly 46.9°F (8.3°C). Weather in March »

Weather in April

April in Mount Union, Pennsylvania, is a moderate spring month, with an average temperature ranging between max 59.4°F (15.2°C) and min 39.7°F (4.3°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 refreshing 59.4°F (15.2°C). Weather in April »

Weather in May

May, the last month of the spring in Mount Union, is a pleasant month, with an average temperature varying between 49.5°F (9.7°C) and 70.3°F (21.3°C). The beginning of May signals a rise in the average high-temperature, moving from a refreshing 59.4°F (15.2°C) in April to a pleasant 70.3°F (21.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Mount Union, Pennsylvania, with an average temperature varying between 78.3°F (25.7°C) and 55.9°F (13.3°C). In June, the meteorological conditions subtly change with the average high-temperature edging 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, the same as June, is another warm summer month in Mount Union, Pennsylvania, with an average temperature fluctuating between 60.4°F (15.8°C) and 83.7°F (28.7°C). Mount Union records the warmest temperatures in July, averaging a high of 83.7°F (28.7°C) and a low of 60.4°F (15.8°C). In July, the heat index is calculated to be a hot 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Mount Union, Pennsylvania, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 81.3°F (27.4°C). Mount Union indicates an average high-temperature of a still moderately hot 81.3°F (27.4°C) in August, showing minor variation from July's 83.7°F (28.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Mount Union, is still a warm month, with an average temperature varying between 53.2°F (11.8°C) and 74.3°F (23.5°C). The onset of September brings a small shift in high-temperatures, falling 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 Mount Union, Pennsylvania, is another enjoyable autumn month, with an average temperature varying between 43.9°F (6.6°C) and 61.5°F (16.4°C). October is characterized by a reduction in the average high-temperature, from a warm 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 Mount Union, Pennsylvania, with an average temperature fluctuating between 48.4°F (9.1°C) and 32.9°F (0.5°C). With the onset of November, Mount Union's average high-temperature adjusts, receding from October's refreshing 61.5°F (16.4°C) 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 Mount Union, Pennsylvania, with an average temperature varying between 27.5°F (-2.5°C) and 38.8°F (3.8°C). With December's onset, the average high-temperature recedes from November's frosty 48.4°F (9.1°C) to a cold 38.8°F (3.8°C). Weather in December »

Frequently asked questions

What is the coldest time of year?

January, characterized by an average high temperature of 32.9°F (0.5°C) and a low temperature of 20.1°F (-6.6°C), is generally the coldest month.

How many days does it rain?

Throughout the year, there are 164.3 rainfall days, and 28.19" (716mm) of precipitation is accumulated.

When does it snow?

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

When does it snow the most?

January is the month with the most snowfall. Snow falls for 12.2 days and accumulates 5.24" (133mm) of snow.

How many days does it snow?

In Mount Union, during the entire year, snow falls for 40.6 days and aggregates up to 17.91" (455mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.2h of sunshine.

What is the month with the lowest UV index?

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

What is the most humid month?

With an average relative humidity of 82%, 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 is the wettest month?

May is the month with the most rainfall. Rain falls for 17.7 days and accumulates 3.07" (78mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

When is the highest UV index?

May and June, with an average maximum UV index of 6, are months with the highest UV index.

When are the longest days?

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

What is the warmest month?

In Mount Union, July is the month with the highest recorded average temperatures, measuring a high of 83.7°F (28.7°C) and a low of 60.4°F (15.8°C).

What is the least humid month?

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

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.3h of sunshine.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.85" (47mm) of precipitation.

What is the month with the shortest days?

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

Average temperature
Mount Union, PA

Average temperature - Mount Union, 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).

Average pressure
Mount Union, PA

Average pressure - Mount Union, 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
Mount Union, PA

Average wind speed - Mount Union, 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).

Average humidity
Mount Union, PA

Average humidity - Mount Union, PA

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).

Average rainfall
Mount Union, PA

Average rainfall - Mount Union, PA

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

Average rainfall days
Mount Union, PA

Average rainfall days - Mount Union, 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).

Average snowfall
Mount Union, PA

Average snowfall - Mount Union, 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").

Average snowfall days
Mount Union, PA

Average snowfall days - Mount Union, 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).

Average daylight / Average sunshine
Mount Union, PA

Average daylight / Average sunshine - Mount Union, 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).

Average sunshine days
Mount Union, PA

Average sunshine days - Mount Union, 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).

Average UV index
Mount Union, PA

Average UV index - Mount Union, 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).

Average visibility
Mount Union, PA

Average visibility - Mount Union, 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).

Mount Union, Pennsylvania, USA

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