Monthly weather forecast and climate
Mount Joy, NJ

Weather in January

January, the same as December, is a wintry winter month in Mount Joy, New Jersey, with average temperature fluctuating between 21.6°F (-5.8°C) and 34.3°F (1.3°C). With an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.6°F (-5.8°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Mount Joy, is another cold month, with temperature in the range of an average low of 23.5°F (-4.7°C) and an average high of 37.9°F (3.3°C). In February, the average high-temperature is relatively the same as in January - a still wintry 37.9°F (3.3°C). Weather in February »

Weather in March

March, the first month of the spring, in Mount Joy, is a chilly month, with average temperature fluctuating between 30.6°F (-0.8°C) and 46.2°F (7.9°C). In March, the average high-temperature slightly increases, from a cold 37.9°F (3.3°C) in February, to a frosty 46.2°F (7.9°C). Weather in March »

Weather in April

April in Mount Joy, New Jersey, is a moderate spring month, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 40.6°F (4.8°C). In April, the average high-temperature rises, from a chilly 46.2°F (7.9°C) in March, to a mild 58.6°F (14.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Mount Joy, New Jersey, with temperature in the range of an average high of 69.6°F (20.9°C) and an average low of 50.5°F (10.3°C). In Mount Joy, New Jersey, the average high-temperature in May increases, from a mild 58.6°F (14.8°C) in April, to an agreeable 69.6°F (20.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Mount Joy, New Jersey, with average temperature fluctuating between 77.5°F (25.3°C) and 57.7°F (14.3°C). In Mount Joy, the average high-temperature marginally rises, from a pleasant 69.6°F (20.9°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, New Jersey, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 83.3°F (28.5°C). The warmest month is July, with an average high-temperature of 83.3°F (28.5°C) and an average low-temperature of 63.9°F (17.7°C). The average heat index is evaluated at a tropical 90.9°F (32.7°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Mount Joy, New Jersey, with temperature in the range of an average low of 61.5°F (16.4°C) and an average high of 81.1°F (27.3°C). In August, the average high-temperature is essentially the same as in July - a still moderately hot 81.1°F (27.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Mount Joy, New Jersey, with average temperature fluctuating between 55.2°F (12.9°C) and 74.5°F (23.6°C). In September, the average high-temperature slightly decreases, from 81.1°F (27.3°C) in August, to a still moderately hot 74.5°F (23.6°C). Weather in September »

Weather in October

October, like September, in Mount Joy, New Jersey, is another comfortable autumn month, with average temperature varying between 46.2°F (7.9°C) and 62.1°F (16.7°C). In Mount Joy, New Jersey, the average high-temperature decreases, from a warm 74.5°F (23.6°C) in September, to a comfortable 62.1°F (16.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Mount Joy, New Jersey, with average temperature ranging between min 35.4°F (1.9°C) and max 50°F (10°C). In Mount Joy, the average high-temperature in November drops, from a comfortable 62.1°F (16.7°C) in October, to a cool 50°F (10°C). Weather in November »

Weather in December

December, the first month of the winter, in Mount Joy, is also a wintry month, with average temperature fluctuating between 40.3°F (4.6°C) and 28.9°F (-1.7°C). In Mount Joy, the average high-temperature in December drops, from a fresh 50°F (10°C) in November, to a wintry 40.3°F (4.6°C). Weather in December »
[Resources]

FAQ

What is the coldest month in Mount Joy?

January is the coldest month in Mount Joy, New Jersey, with an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.6°F (-5.8°C).

How much does it rain in Mount Joy?

In Mount Joy, during the entire year, the rain falls for 124.4 days and collects up to 13.39" (340mm) of precipitation.

When does it snow in Mount Joy?

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

How much does it snow in Mount Joy?

Throughout the year, there are 22 snowfall days, and 5" (127mm) of snow is accumulated.

What are the months 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 most humid month in Mount Joy?

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

When does it snow the most in Mount Joy?

February is the month with the most snowfall in Mount Joy, New Jersey. Snow falls for 6.8 days and accumulates 1.42" (36mm) of snow.

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

With an average of 4.6h of sunshine, February has the least sunshine of the year in Mount Joy, New Jersey.

What is the least humid month in Mount Joy?

April and July, with an average relative humidity of 76%, are the least humid months.

When it does not snow in Mount Joy?

In Mount Joy snow does not fall in May through October.

When are the longest days in Mount Joy?

The month with the longest days in Mount Joy is June, with an average of 15h of daylight.

When is the highest UV index in Mount Joy?

Months with the highest UV index in Mount Joy, New Jersey, are June and July, with an average maximum UV index of 6.

What is the warmest month in Mount Joy?

With an average high-temperature of 83.3°F (28.5°C) and an average low-temperature of 63.9°F (17.7°C), July is the warmest month in Mount Joy.

What is the wettest month in Mount Joy?

The month with the most rainfall in Mount Joy is July when the rain falls for 12.8 days and typically aggregates up to 1.65" (42mm) of precipitation.

What month has the most sunshine in Mount Joy?

July has the most sunshine of the year, with an average of 10.4h of sunshine.

What is the driest month in Mount Joy?

September is the month with the least rainfall in Mount Joy, New Jersey. Rain falls for 8.9 days and accumulates 0.71" (18mm) of precipitation.

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

With an average of 9.3h of daylight, December has the shortest days of the year.

Average temperature
Mount Joy, NJ

Average temperature - Mount Joy, NJ

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

[Resources]

Average pressure
Mount Joy, NJ

Average pressure - Mount Joy, NJ

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

[Resources]

Average wind speed
Mount Joy, NJ

Average wind speed - Mount Joy, NJ

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

[Resources]

Average humidity
Mount Joy, NJ

Average humidity - Mount Joy, NJ

The month with the highest relative humidity is February (81%).
Months with the lowest relative humidity are April and July (76%).

[Resources]

Average rainfall
Mount Joy, NJ

Average rainfall - Mount Joy, NJ

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.71").

[Resources]

Average rainfall days
Mount Joy, NJ

Average rainfall days - Mount Joy, NJ

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.1 days).

[Resources]

Average snowfall
Mount Joy, NJ

Average snowfall - Mount Joy, NJ

The month with the highest snowfall is February (1.42").
Months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days
Mount Joy, NJ

Average snowfall days - Mount Joy, NJ

The month with the highest number of snowfall days is February (6.8 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight / Average sunshine
Mount Joy, NJ

Average daylight / Average sunshine - Mount Joy, NJ

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

[Resources]

Average sunshine days
Mount Joy, NJ

Average sunshine days - Mount Joy, NJ

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (14 days).

[Resources]

Average UV index
Mount Joy, NJ

Average UV index - Mount Joy, NJ

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

[Resources]

Average visibility
Mount Joy, NJ

Average visibility - Mount Joy, NJ

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

[Resources]