December weather forecast
Kirkland, PA

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Weather in December

December, the first month of the winter in Kirkland, is still a chilly month, with an average temperature varying between 31.3°F (-0.4°C) and 42.8°F (6°C).

Temperature

With December's arrival, Kirkland's weather changes as the average high-temperature falls from a fresh 52°F (11.1°C) in November to a frosty 42.8°F (6°C). An average low-temperature of 31.3°F (-0.4°C) is noted during the month of December.

Humidity

In Kirkland, the average relative humidity in December is 78%.

Rainfall

In Kirkland, in December, during 8.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Kirkland, during the entire year, the rain falls for 128.5 days and collects up to 14.92" (379mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In December, it is snowing for 2.5 days. Throughout December, 0.59" (15mm) of snow is accumulated. In Kirkland, during the entire year, snow falls for 18.1 days and aggregates up to 5.43" (138mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December in Kirkland, sunrise is at 7:05 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:47 pm EST.

Sunshine

In Kirkland, the average sunshine in December is 4.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 during December translates into the following guidance:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

Kirkland in December has an average high-temperature of 42.8°F (6°C) and an average low-temperature of 31.3°F (-0.4°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in December?

In Kirkland, Pennsylvania, the average relative humidity in December is 78%.

How much does it rain in December?

In Kirkland, in December, during 8.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Kirkland, in December, during 2.5 snowfall days, 0.59" (15mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Kirkland have in December?

In December, the average day length is 9h and 23min.

When are sunrise and sunset in December in Kirkland?

On the first day of December, sunrise is at 7:05 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:47 pm EST.

How many hours of sunshine does Kirkland have in December?

In Kirkland, the average sunshine duration in December is 4.8h.

What are the months 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 reading in December?

In Kirkland, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's 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
Kirkland, PA

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

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in December: 31.3°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

Average pressure in December
Kirkland, PA

Average pressure in December - Kirkland, PA
  • Average pressure in December: 30.1"Hg

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

Average wind speed in December
Kirkland, PA

Average wind speed in December - Kirkland, PA
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Kirkland, PA

Average humidity in December - Kirkland, PA
  • Average humidity in December: 78%

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in December
Kirkland, PA

Average rainfall in December - Kirkland, PA
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.83").

Average rainfall days in December
Kirkland, PA

Average rainfall days in December - Kirkland, PA
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (5.7 days).

Average snowfall in December
Kirkland, PA

Average snowfall in December - Kirkland, PA
  • Average snowfall in December: 0.59"

The month with the highest snowfall is March (1.54").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Kirkland, PA

Average snowfall days in December - Kirkland, PA
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (5.5 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
Kirkland, PA

Average daylight in December / Average sunshine in December - Kirkland, 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: 4h and 5min

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 36min).

Average sunshine days in December
Kirkland, PA

Average sunshine days in December - Kirkland, PA
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.1 days).

Average UV index in December
Kirkland, PA

Average UV index in December - Kirkland, 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
Kirkland, PA

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Kirkland, PA

Average visibility in December - Kirkland, 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).

Kirkland, Pennsylvania, USA

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