December weather forecast
Calico Corner, PA

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Weather in December

The first month of the winter, December, is also a frosty month in Calico Corner, Pennsylvania, with an average temperature varying between 43.7°F (6.5°C) and 32.5°F (0.3°C).

Temperature

The arrival of December corresponds with a reduction in the average high-temperature, down from November's fresh 52.7°F (11.5°C) to a chilly 43.7°F (6.5°C). In December, Calico Corner encounters an average low-temperature of 32.5°F (0.3°C) during the night.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In December, the rain falls for 9.8 days. Throughout December, 3.03" (77mm) of precipitation is accumulated. In Calico Corner, during the entire year, the rain falls for 153.8 days and collects up to 30.94" (786mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In Calico Corner, in December, snow falls for 2.7 days, with typically accumulated 1.18" (30mm) of snow. In Calico Corner, during the entire year, snow falls for 16.8 days and aggregates up to 8.5" (216mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:21 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 are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

In Calico Corner, 43.7°F (6.5°C) is the average high-temperature and 32.5°F (0.3°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 91.4°F (33°C).

What is the average humidity in December?

In Calico Corner, the average relative humidity in December is 76%.

How many days does it rain in December?

In December, the rain falls for 9.8 days. Throughout December, 3.03" (77mm) of precipitation is accumulated.

How many days does it snow in December?

In Calico Corner, in December, snow falls for 2.7 days, with typically accumulated 1.18" (30mm) of snow.

What is the month with the shortest days in Calico Corner?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Calico Corner have in December?

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

What time are sunrise and sunset in December in Calico Corner?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:44 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Calico Corner, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
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
Calico Corner, PA

Average temperature in December - Calico Corner, PA
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 32.5°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in December
Calico Corner, PA

Average pressure in December - Calico Corner, 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
Calico Corner, PA

Average wind speed in December - Calico Corner, PA
  • Average wind speed in December: 7.7mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Calico Corner, PA

Average humidity in December - Calico Corner, PA
  • Average humidity in December: 76%

The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).

Average rainfall in December
Calico Corner, PA

Average rainfall in December - Calico Corner, PA
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in December
Calico Corner, PA

Average rainfall days in December - Calico Corner, PA
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in December
Calico Corner, PA

Average snowfall in December - Calico Corner, PA
  • Average snowfall in December: 1.18"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Calico Corner, PA

Average snowfall days in December - Calico Corner, PA
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Calico Corner, PA

Average daylight in December / Average sunshine in December - Calico Corner, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Calico Corner, PA

Average sunshine days in December - Calico Corner, PA
  • Average sunshine days in December: 19 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in December
Calico Corner, PA

Average UV index in December - Calico Corner, 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
Calico Corner, PA

Average cloud cover in December - Calico Corner, PA
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Calico Corner, PA

Average visibility in December - Calico Corner, 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).

Calico Corner, Pennsylvania, USA

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