December weather forecast
Yukon, PA

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Weather in December

The first month of the winter, December, is also an icy month in Yukon, Pennsylvania, with an average temperature ranging between min 28.4°F (-2°C) and max 39.9°F (4.4°C).

Temperature

Yukon experiences a temperature shift at the start of December, with average high-temperatures adjusting from a chilly 49.5°F (9.7°C) in November to an icy 39.9°F (4.4°C). Yukon experiences a mean temperature of 28.4°F (-2°C) during December nights.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Yukon, in December, it is raining for 12.7 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 174.1 rainfall days, and 23.82" (605mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Yukon are January through April, October through December. In December, it is snowing for 11.5 days. Throughout December, 2.91" (74mm) of snow is accumulated. In Yukon, during the entire year, snow falls for 54.8 days and aggregates up to 13.58" (345mm) 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 December, sunrise is at 7:22 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:03 pm EST.

Sunshine

In Yukon, the average sunshine in December is 3.6h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

The average high-temperature, in December, in Yukon, is 39.9°F (4.4°C), while the average low-temperature is 28.4°F (-2°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is evaluated at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 84%.

How much does it rain in December?

In Yukon, in December, during 12.7 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 11.5 days. Throughout December, 2.91" (74mm) of snow is accumulated.

What is the month with the shortest days in Yukon?

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

How many hours of daylight does Yukon have in December?

The average day length in December is 9h and 22min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:03 pm EST.

How many hours of sunshine does Yukon have in December?

In Yukon, the average sunshine duration in December is 3.6h.

What is the month with the lowest UV index in Yukon?

December is the month with the lowest UV index, with an average maximum UV index of 1.

How high is the UV index in December?

In Yukon, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from 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
Yukon, PA

Average temperature in December - Yukon, PA
  • Average high temperature in December: 39.9°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in December: 28.4°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in December
Yukon, PA

Average pressure in December - Yukon, PA
  • Average pressure in December: 30.11"Hg

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

Average wind speed in December
Yukon, PA

Average wind speed in December - Yukon, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Yukon, PA

Average humidity in December - Yukon, PA
  • Average humidity in December: 84%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in December
Yukon, PA

Average rainfall in December - Yukon, PA
  • Average rainfall in December: 1.97"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is November (1.42").

Average rainfall days in December
Yukon, PA

Average rainfall days in December - Yukon, PA
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (10 days).

Average snowfall in December
Yukon, PA

Average snowfall in December - Yukon, PA
  • Average snowfall in December: 2.91"

The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Yukon, PA

Average snowfall days in December - Yukon, PA
  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Yukon, 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: 3h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Yukon, PA

Average sunshine days in December - Yukon, PA
  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is January (7.3 days).

Average UV index in December
Yukon, PA

Average UV index in December - Yukon, PA
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Yukon, PA

Average cloud cover in December - Yukon, PA
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Yukon, PA

Average visibility in December - Yukon, PA
  • Average visibility in December: 5mi

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

Yukon, Pennsylvania, USA

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