Climate and monthly weather forecast
Mount Joy, PA

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Weather in January

January, the same as December, is a wintry winter month in Mount Joy, Pennsylvania, with an average temperature fluctuating between 35.1°F (1.7°C) and 22.5°F (-5.3°C). January tends to be the coldest month, with temperatures averaging a daily high of 35.1°F (1.7°C) and a low of 22.5°F (-5.3°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Mount Joy, Pennsylvania, with an average temperature varying between 24.3°F (-4.3°C) and 38.5°F (3.6°C). Mount Joy sees the arrival of February with an average high-temperature of a still icy 38.5°F (3.6°C), indicating a subtle variation from January. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Mount Joy, Pennsylvania, with temperature in the range of an average low of 31.8°F (-0.1°C) and an average high of 47.5°F (8.6°C). March shows a rise in the average high-temperature, moving from February's cold 38.5°F (3.6°C) to a frosty 47.5°F (8.6°C). Weather in March »

Weather in April

April in Mount Joy, Pennsylvania, is a refreshing spring month, with an average temperature fluctuating between 59.9°F (15.5°C) and 42.1°F (5.6°C). Entering April, Mount Joy sees a temperature rise, with the average high-temperature advancing from March's frosty 47.5°F (8.6°C) to a refreshing 59.9°F (15.5°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Mount Joy, Pennsylvania, with temperature in the range of an average high of 70°F (21.1°C) and an average low of 52°F (11.1°C). May brings a temperature increase, with average high-temperatures moving from April's moderate 59.9°F (15.5°C) to a pleasant 70°F (21.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Mount Joy, Pennsylvania, with an average temperature ranging between max 77.5°F (25.3°C) and min 59.2°F (15.1°C). Mount Joy, Pennsylvania, observes a slight ascent in average high-temperatures during June, adjusting from a pleasant 70°F (21.1°C) in May to a moderately hot 77.5°F (25.3°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Mount Joy, Pennsylvania, with an average temperature fluctuating between 64°F (17.8°C) and 82.8°F (28.2°C). July, with an average high of 82.8°F (28.2°C) and a low of 64°F (17.8°C), signifies the warmest month of the year. For July, the heat index is calculated to be a tropical 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in Mount Joy, is also a moderately hot month, with an average temperature fluctuating between 80.8°F (27.1°C) and 62.1°F (16.7°C). Upon the beginning of August, Mount Joy's high-temperatures register at a still moderately hot 80.8°F (27.1°C), closely mirroring the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Mount Joy, Pennsylvania, with an average temperature varying between 74.3°F (23.5°C) and 55.8°F (13.2°C). In Mount Joy, the average high-temperature in September slightly decreases from a moderately hot 80.8°F (27.1°C) in August to a still warm 74.3°F (23.5°C). Weather in September »

Weather in October

October, like September, in Mount Joy, Pennsylvania, is another comfortable autumn month, with an average temperature varying between 46.6°F (8.1°C) and 62.8°F (17.1°C). In October, the meteorological conditions alter, with the average high-temperature shifting from a moderately hot 74.3°F (23.5°C) in September to a refreshing 62.8°F (17.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Mount Joy, is also a fresh month, with temperature in the range of an average high of 50.2°F (10.1°C) and an average low of 35.8°F (2.1°C). With November's onset, the average high-temperature recedes from October's enjoyable 62.8°F (17.1°C) to a fresh 50.2°F (10.1°C). Weather in November »

Weather in December

December, the first month of the winter in Mount Joy, is also a wintry month, with an average temperature varying between 41.2°F (5.1°C) and 30°F (-1.1°C). In Mount Joy, the average high-temperature in December drops from a fresh 50.2°F (10.1°C) in November to an icy 41.2°F (5.1°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Mount Joy?

January, with its average high-temperature of 35.1°F (1.7°C) and an average low-temperature of 22.5°F (-5.3°C), holds the record as the coldest month in Mount Joy, Pennsylvania.

How many days does it rain in Mount Joy?

Throughout the year, there are 132.7 rainfall days, and 15.35" (390mm) of precipitation is accumulated.

When does it snow in Mount Joy?

January through April, October through December are months with snowfall in Mount Joy.

When does it snow the most in Mount Joy?

January is the month with the most snowfall in Mount Joy, Pennsylvania. Snow falls for 5.7 days and accumulates 2.13" (54mm) of snow.

How much does it snow in Mount Joy?

In Mount Joy, during the entire year, snow falls for 19.3 days and aggregates up to 6.5" (165mm) of snow.

What is the month with the lowest UV index in Mount Joy?

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

What is the month with the least sunshine in Mount Joy?

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

What is the least humid month in Mount Joy?

March and April, with an average relative humidity of 76%, are the least humid months in Mount Joy.

When is Daylight Saving Time (DST) in Mount Joy?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Mount Joy, Pennsylvania, 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 most humid month in Mount Joy?

The most humid month in Mount Joy is May, with an average relative humidity of 81%.

When it does not snow in Mount Joy?

May through September are months without snowfall in Mount Joy.

When are the longest days in Mount Joy?

The month with the longest days is June, with an average of 15h and 0min of daylight.

What is the month with the highest UV index in Mount Joy?

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

What part of the year is the hottest in Mount Joy?

July, recognised by an average high temperature of 82.8°F (28.2°C) and a low of 64°F (17.8°C), is Mount Joy's warmest month.

What month has the most sunshine in Mount Joy?

July has the most sunshine of the year, with an average of 10.6h of sunshine.

What is the rainiest month in Mount Joy?

August is the month with the most rainfall in Mount Joy. Rain falls for 15 days and accumulates 1.97" (50mm) of precipitation.

What is the driest month in Mount Joy?

September is the month with the least rainfall in Mount Joy, Pennsylvania. Rain falls for 10.4 days and accumulates 0.91" (23mm) of precipitation.

What is the month with the shortest days in Mount Joy?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

Average pressure
Mount Joy, PA

Average pressure - Mount Joy, PA

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Mount Joy, PA

Average wind speed - Mount Joy, PA

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity
Mount Joy, PA

Average humidity - Mount Joy, PA

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March and April (76%).

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Average rainfall
Mount Joy, PA

Average rainfall - Mount Joy, PA

The wettest month (with the highest rainfall) is August (1.97").
The driest month (with the least rainfall) is September (0.91").

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Average rainfall days
Mount Joy, PA

Average rainfall days - Mount Joy, PA

The month with the highest number of rainy days is May (15.7 days).
The months with the least rainy days are January and November (6.6 days).

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Average snowfall
Mount Joy, PA

Average snowfall - Mount Joy, PA

The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Mount Joy, PA

Average snowfall days - Mount Joy, PA

The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Mount Joy, PA

Average daylight / Average sunshine - Mount Joy, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days
Mount Joy, PA

Average sunshine days - Mount Joy, PA

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index
Mount Joy, PA

Average UV index - Mount Joy, PA

The months with the highest UV index are 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
Mount Joy, PA

Average visibility - Mount Joy, 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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Mount Joy, Pennsylvania, USA

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