Climate and monthly weather forecast
Mechanicsburg, PA

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Weather in January

January, the same as December, is another cold winter month in Mechanicsburg, Pennsylvania, with an average temperature varying between 35.1°F (1.7°C) and 22.1°F (-5.5°C). January, with its high-temperature average of 35.1°F (1.7°C) and a low-temperature average of 22.1°F (-5.5°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Mechanicsburg, is also an icy month, with temperature in the range of an average high of 38.3°F (3.5°C) and an average low of 23.9°F (-4.5°C). Mechanicsburg's February average high-temperature settles at a still icy 38.3°F (3.5°C), showing a near match with the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Mechanicsburg, is a chilly month, with temperature in the range of an average low of 31.6°F (-0.2°C) and an average high of 47.8°F (8.8°C). March's arrival coincides with a temperature rise, moving from February's wintry 38.3°F (3.5°C) to a chilly 47.8°F (8.8°C). Weather in March »

Weather in April

April is a refreshing spring month in Mechanicsburg, Pennsylvania, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 60.1°F (15.6°C). The onset of April brings a temperature shift, with the average high-temperature moving from a chilly 47.8°F (8.8°C) in March to a refreshing 60.1°F (15.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Mechanicsburg, Pennsylvania, with an average temperature varying between 70.3°F (21.3°C) and 51.4°F (10.8°C). The start of May is characterized by an increase in the average high-temperature, transitioning from a moderate 60.1°F (15.6°C) in April to an agreeable 70.3°F (21.3°C). Weather in May »

Weather in June

June, the first month of the summer in Mechanicsburg, is a warm month, with an average temperature varying between 58.6°F (14.8°C) and 78.1°F (25.6°C). June brings a slight elevation in the average high-temperature, transitioning from May's agreeable 70.3°F (21.3°C) to a moderately hot 78.1°F (25.6°C). Weather in June »

Weather in July

July, like June, in Mechanicsburg, Pennsylvania, is a moderately hot summer month, with an average temperature fluctuating between 63.5°F (17.5°C) and 83.8°F (28.8°C). July, with its average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 63.5°F (17.5°C), holds the record as the warmest month. The heat index value for July is estimated at a hot 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Mechanicsburg, is another warm month, with an average temperature varying between 81.5°F (27.5°C) and 61.9°F (16.6°C). Mechanicsburg experiences an average high-temperature of a still moderately hot 81.5°F (27.5°C) with the onset of August, subtly varied from July's 83.8°F (28.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Mechanicsburg, Pennsylvania, with an average temperature fluctuating between 55.6°F (13.1°C) and 74.3°F (23.5°C). In Mechanicsburg, the average high-temperature in September slightly decreases from 81.5°F (27.5°C) in August to a still warm 74.3°F (23.5°C). Weather in September »

Weather in October

October, like September, in Mechanicsburg, Pennsylvania, is another comfortable autumn month, with an average temperature fluctuating between 62.8°F (17.1°C) and 46°F (7.8°C). During the transition into October, Mechanicsburg observes a decrease in the average high-temperature, falling from a moderately hot 74.3°F (23.5°C) in September to a comfortable 62.8°F (17.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Mechanicsburg, is another cool month, with an average temperature varying between 50°F (10°C) and 35.2°F (1.8°C). Mechanicsburg's November weather shows a moderate shift in high-temperatures, falling from October's enjoyable 62.8°F (17.1°C) to a fresh 50°F (10°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Mechanicsburg, Pennsylvania, with an average temperature ranging between max 41°F (5°C) and min 29.7°F (-1.3°C). December's onset brings a reduction in the average high-temperature, from a cool 50°F (10°C) in November to a cold 41°F (5°C). Weather in December »
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Frequently asked questions

What is the coldest month in Mechanicsburg?

Mechanicsburg's coldest month, January, registers temperatures that range from a high of 35.1°F (1.7°C) to a low of 22.1°F (-5.5°C).

What is the driest month in Mechanicsburg?

The months with the least rainfall are January and February Rain falls for 5.7 days and accumulates 0.71" (18mm) of rain.

How many days does it rain in Mechanicsburg?

In Mechanicsburg, Pennsylvania, during the entire year, the rain falls for 122.3 days and collects up to 11.73" (298mm) of precipitation.

When does it snow in Mechanicsburg?

Months with snowfall in Mechanicsburg, Pennsylvania, are January through April, November and December.

How many days does it snow in Mechanicsburg?

In Mechanicsburg, Pennsylvania, during the entire year, snow falls for 19.9 days and aggregates up to 4.29" (109mm) of snow.

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

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

What is the most humid month in Mechanicsburg?

With an average relative humidity of 80%, February is the most humid month in Mechanicsburg.

When does it snow the most in Mechanicsburg?

February is the month with the most snowfall in Mechanicsburg, Pennsylvania. Snow falls for 5.6 days and accumulates 1.3" (33mm) of snow.

What is the month with the least sunshine in Mechanicsburg?

The month with the least sunshine in Mechanicsburg, Pennsylvania, is February, with an average of 4.5h of sunshine.

What is the least humid month in Mechanicsburg?

The months with the lowest humidity in Mechanicsburg are March and April, with an average relative humidity of 75%.

When is Daylight Saving Time (DST) in Mechanicsburg?

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.

When it does not snow in Mechanicsburg?

In Mechanicsburg, snow does not fall in May through October.

When is the highest UV index in Mechanicsburg?

The months with the highest UV index in Mechanicsburg are May through July, with an average maximum UV index of 6.

When are the longest days in Mechanicsburg?

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

What month is the hottest in Mechanicsburg?

July registers as the month with the average highest temperatures, reaching 83.8°F (28.8°C) at its peak and 63.5°F (17.5°C) at the lowest.

What month has the most sunshine in Mechanicsburg?

The month with the most sunshine in Mechanicsburg, Pennsylvania, is July, with an average of 10.5h of sunshine.

What is the wettest month in Mechanicsburg?

The month with the most rainfall is August, when the rain falls for 12.3 days and typically aggregates up to 1.3" (33mm) of precipitation.

What is the month with the shortest days in Mechanicsburg?

With an average of 9h and 24min of daylight, December has the shortest days of the year in Mechanicsburg, Pennsylvania.

Average temperature
Mechanicsburg, PA

Average temperature - Mechanicsburg, PA

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure
Mechanicsburg, PA

Average pressure - Mechanicsburg, PA

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Mechanicsburg, PA

Average wind speed - Mechanicsburg, PA

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity
Mechanicsburg, PA

Average humidity - Mechanicsburg, PA

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are March and April (75%).

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Average rainfall
Mechanicsburg, PA

Average rainfall - Mechanicsburg, PA

The wettest month (with the highest rainfall) is August (1.3").
The driest months (with the least rainfall) are January and February (0.71").

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Average rainfall days
Mechanicsburg, PA

Average rainfall days - Mechanicsburg, PA

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall
Mechanicsburg, PA

Average snowfall - Mechanicsburg, PA

The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Mechanicsburg, PA

Average snowfall days - Mechanicsburg, PA

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Mechanicsburg, PA

Average daylight / Average sunshine - Mechanicsburg, 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 24min).

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 30min).

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Average sunshine days
Mechanicsburg, PA

Average sunshine days - Mechanicsburg, PA

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (14.1 days).

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Average UV index
Mechanicsburg, PA

Average UV index - Mechanicsburg, PA

The months with the highest UV index are May, June and July (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
Mechanicsburg, PA

Average visibility - Mechanicsburg, 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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Mechanicsburg, Pennsylvania, USA

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