December weather forecast
Ivyland, PA

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Weather in December

December, the first month of the winter in Ivyland, is still a chilly month, with an average temperature ranging between min 31.1°F (-0.5°C) and max 42.8°F (6°C).

Temperature

Ivyland's progression into December includes a drop in the average high-temperature, from a fresh 52°F (11.1°C) in November to a frosty 42.8°F (6°C). Ivyland records an average nighttime low of 31.1°F (-0.5°C) in December.

Humidity

In Ivyland, the average relative humidity in December is 77%.

Rainfall

The month with the most rainfall is December, when the rain falls for 10.7 days and typically aggregates up to 3.31" (84mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Ivyland, during December, snow falls for 3.6 days and regularly aggregates up to 1.61" (41mm) of snow. Throughout the year, there are 24 snowfall days, and 12.13" (308mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:44 pm EST.

Sunshine

The average sunshine in December is 5h.

UV index

The months with the lowest UV index in Ivyland are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

Is December cold?

During December, Ivyland experiences an average high-temperature of 42.8°F (6°C) and a low-temperature of 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 77%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 10.7 days and typically aggregates up to 3.31" (84mm) of precipitation.

How much does it rain in December?

In Ivyland, in December, during 10.7 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

How many days does it snow in December in Ivyland?

In Ivyland, in December, during 3.6 snowfall days, 1.61" (41mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 9h and 22min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:44 pm EST.

How long on average sun shines in December?

In Ivyland, the average sunshine duration in December is 5h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ivyland, PA

Average temperature in December - Ivyland, PA
  • Average high temperature in December: 42.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in December
Ivyland, PA

Average pressure in December - Ivyland, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Ivyland, PA

Average wind speed in December - Ivyland, PA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Ivyland, PA

Average humidity in December - Ivyland, PA
  • Average humidity in December: 77%

The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in December
Ivyland, PA

Average rainfall in December - Ivyland, PA
  • Average rainfall in December: 3.31"

The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in December
Ivyland, PA

Average rainfall days in December - Ivyland, PA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in December
Ivyland, PA

Average snowfall in December - Ivyland, PA
  • Average snowfall in December: 1.61"

The month with the highest snowfall is March (3.78").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Ivyland, PA

Average snowfall days in December - Ivyland, PA
  • Average snowfall days in December: 3.6 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Ivyland, PA

Average daylight in December / Average sunshine in December - Ivyland, PA
  • Average daylight in December: 9h and 2min

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).

  • Average sunshine in December: 5h and 0min

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 42min).

Average sunshine days in December
Ivyland, PA

Average sunshine days in December - Ivyland, PA
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in December
Ivyland, PA

Average UV index in December - Ivyland, PA
  • Average UV index in December: 2

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

Average cloud cover in December
Ivyland, PA

Average cloud cover in December - Ivyland, PA
  • Average cloud cover in December: 48

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Ivyland, PA

Average visibility in December - Ivyland, PA
  • Average visibility in December: 6mi

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).

Ivyland, Pennsylvania, USA

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