December weather forecast
Starlight, PA

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Weather in December

The first month of the winter, December, is still a cold month in Starlight, Pennsylvania, with an average temperature varying between 23.4°F (-4.8°C) and 33.6°F (0.9°C).

Temperature

With the beginning of December, the average high-temperature shows a decrease, transitioning from a chilly 43.7°F (6.5°C) in November to a cold 33.6°F (0.9°C). Throughout December, Starlight registers a consistent average low-temperature of 23.4°F (-4.8°C).

Humidity

The months with the highest humidity in Starlight are February and December, with an average relative humidity of 87%.

Rainfall

In Starlight, in December, it is raining for 6.9 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 104.8 rainfall days, and 9.13" (232mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Starlight, in December, during 9.6 snowfall days, 1.3" (33mm) of snow is typically accumulated. Throughout the year, in Starlight, there are 48.7 snowfall days, and 7.44" (189mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Starlight, Pennsylvania.
On the first day of December, sunrise is at 7:10 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:40 pm EST.

Sunshine

The months with the least sunshine in Starlight are February and December, with an average of 2.7h of sunshine.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. 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 1 in December translates into these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

How cold is it in Starlight in December?

The average high-temperature, in December, in Starlight, is 33.6°F (0.9°C), while the average low-temperature is 23.4°F (-4.8°C).

What are the most humid months in Starlight?

The months with the highest humidity are February and December, with an average relative humidity of 87%.

What is the average humidity in December in Starlight?

In December, the average relative humidity in Starlight, Pennsylvania, is 87%.

How much does it rain in Starlight in December?

In Starlight, Pennsylvania, in December, it is raining for 6.9 days, with typically 0.63" (16mm) of accumulated precipitation.

How much does it snow in Starlight in December?

In December, in Starlight, it is snowing for 9.6 days. Throughout December, 1.3" (33mm) of snow is accumulated.

What is the month with the shortest days in Starlight?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Starlight.

What is the average length of the day in December in Starlight?

The average day length in December in Starlight, Pennsylvania, is 9h and 11min.

When is the sunrise / sunset in December in Starlight?

On the first day of December in Starlight, sunrise is at 7:10 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:40 pm EST.

What are the months with the least sunshine in Starlight?

The months with the least sunshine are February and December, with an average of 2.7h of sunshine.

How long on average sun shines in December in Starlight?

In December, the average sunshine duration in Starlight, Pennsylvania, is 2.7h.

What are the months with the lowest UV index in Starlight?

The months with the lowest UV index in Starlight are January, November and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Starlight?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Starlight, PA

Average temperature in December - Starlight, PA
  • Average high temperature in December: 33.6°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in December: 23.4°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16°F).

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Average pressure in December
Starlight, PA

Average pressure in December - Starlight, PA
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Starlight, PA

Average wind speed in December - Starlight, PA
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Starlight, PA

Average humidity in December - Starlight, PA
  • Average humidity in December: 87%

The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are June and July (79%).

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Average rainfall in December
Starlight, PA

Average rainfall in December - Starlight, PA
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is August (1.02").
The driest month (with the least rainfall) is September (0.55").

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Average rainfall days in December
Starlight, PA

Average rainfall days in December - Starlight, PA
  • Average rainfall days in December: 6.9 days

The months with the highest number of rainy days are May and July (12.3 days).
The month with the least rainy days is January (4.4 days).

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Average snowfall in December
Starlight, PA

Average snowfall in December - Starlight, PA
  • Average snowfall in December: 1.3"

The month with the highest snowfall is January (1.61").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Starlight, PA

Average snowfall days in December - Starlight, PA
  • Average snowfall days in December: 9.6 days

The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Starlight, PA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 2h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are February and December (Average sunshine: 2h and 42min).

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Average sunshine days in December
Starlight, PA

Average sunshine days in December - Starlight, PA
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is April (14.8 days).

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Average UV index in December
Starlight, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in December
Starlight, PA

Average cloud cover in December - Starlight, PA
  • Average cloud cover in December: 73

The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 41).

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Average visibility in December
Starlight, PA

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

The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (5mi).
The months with the lowest visibility are August and September (4mi).

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Starlight, Pennsylvania, USA

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