December weather forecast
Holmes, PA

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Weather in December

December, the first month of the winter in Holmes, is still a chilly month, with an average temperature fluctuating between 32.7°F (0.4°C) and 44.1°F (6.7°C).

Temperature

December brings a slight decrease in temperature, down from a cool 52.7°F (11.5°C) in November to a chilly 44.1°F (6.7°C). During December, Holmes experiences a consistent low-temperature average of 32.7°F (0.4°C).

Humidity

February, October and December, with an average relative humidity of 77%, are the most humid months.

Rainfall

In Holmes, in December, it is raining for 9.6 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 142 rainfall days, and 24.41" (620mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Holmes. In December, it is snowing for 1.5 days. Throughout December, 0.75" (19mm) of snow is accumulated. In Holmes, during the entire year, snow falls for 11.3 days and aggregates up to 6.18" (157mm) 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, sunrise is at 7:04 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:46 pm EST.

Sunshine

In Holmes, the average sunshine in December is 5.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

Is December cold?

The average high-temperature, in December, in Holmes, is 44.1°F (6.7°C), while the average low-temperature is 32.7°F (0.4°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is evaluated at 91.4°F (33°C).

What is the most humid month?

The months with the highest humidity are February, October and December, with an average relative humidity of 77%.

What is the average humidity in December?

The average relative humidity in December in Holmes is 77%.

How many days does it rain in December?

In Holmes, in December, during 9.6 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 1.5 days. Throughout December, 0.75" (19mm) of snow is 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 Holmes, Pennsylvania, the average day length in December is 9h and 24min.

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 4:36 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:46 pm EST.

How long on average sun shines in December?

In Holmes, the average sunshine duration in December is 5.1h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index 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
Holmes, PA

Average temperature in December - Holmes, PA
  • Average high temperature in December: 44.1°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 32.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in December
Holmes, PA

Average pressure in December - Holmes, 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 (29.94"Hg).

Average wind speed in December
Holmes, PA

Average wind speed in December - Holmes, PA
  • Average wind speed in December: 7.8mph

The windiest months (with the highest average wind speed) are February, March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Holmes, PA

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

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

Average rainfall in December
Holmes, PA

Average rainfall in December - Holmes, PA
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in December
Holmes, PA

Average rainfall days in December - Holmes, PA
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in December
Holmes, PA

Average snowfall in December - Holmes, PA
  • Average snowfall in December: 0.75"

The month with the highest snowfall is March (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Holmes, PA

Average snowfall days in December - Holmes, PA
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Holmes, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Holmes, PA

Average sunshine days in December - Holmes, PA
  • Average sunshine days in December: 19.7 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in December
Holmes, PA

Average UV index in December - Holmes, 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, November and December (UV index 2).

Average cloud cover in December
Holmes, PA

Average cloud cover in December - Holmes, PA
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in December
Holmes, PA

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

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

Holmes, Pennsylvania, USA

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