December weather forecast
Salina, PA

Weather in December

The first month of the winter, December, is still a cold month in Salina, Pennsylvania, with an average temperature ranging between max 38.7°F (3.7°C) and min 27.3°F (-2.6°C).

Temperature

In December, the average high-temperature decreases from a chilly 48.4°F (9.1°C) in November to a cold 38.7°F (3.7°C). The average low-temperature, in Salina, is 27.3°F (-2.6°C).

Humidity

The average relative humidity in December is 84%.

Rainfall

In Salina, in December, during 10.1 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Salina, during the entire year, the rain falls for 147.1 days and collects up to 18.54" (471mm) of precipitation.

Snowfall

Months with snowfall in Salina are January through May, October through December. In December, it is snowing for 9.1 days. Throughout December, 2.2" (56mm) of snow is accumulated. Throughout the year, in Salina, there are 45.9 snowfall days, and 11.3" (287mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Salina, with an average of 9h and 20min of daylight.
On the first day of December in Salina, sunrise is at 7:21 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:00 pm EST.

Sunshine

In Salina, Pennsylvania, the average sunshine in December is 3.1h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Salina?

In December, in Salina, Pennsylvania, the average high-temperature is 38.7°F (3.7°C), and the average low-temperature is 27.3°F (-2.6°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is computed to be 86°F (30°C).

What is the average humidity in December in Salina?

In December, the average relative humidity in Salina is 84%.

How many days does it rain in December in Salina?

In Salina, Pennsylvania, during December, the rain falls for 10.1 days and regularly aggregates up to 1.38" (35mm) of precipitation.

How much does it snow in Salina in December?

In Salina, Pennsylvania, during December, snow falls for 9.1 days and regularly aggregates up to 2.2" (56mm) of snow.

What is the month with the shortest days in Salina?

With an average of 9h and 20min of daylight, December has the shortest days of the year.

How many hours of daylight does Salina have in December?

The average day length in December in Salina is 9h and 20min.

What time are sunrise and sunset in December in Salina?

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 4:52 pm. On the last day of the month, in Salina, sunrise is at 7:41 am and sunset at 5:00 pm EST.

How many hours of sunshine does Salina have in December?

In Salina, Pennsylvania, the average sunshine duration in December is 3.1h.

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

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

What is the UV index intensity in December in Salina?

In December, the average daily maximum UV index in Salina is 1. A UV Index estimate of 2, and below, represents 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
Salina, PA

Average temperature in December - Salina, PA
  • Average high temperature in December: 38.7°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 27.3°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 (19.8°F).

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Average pressure in December
Salina, PA

Average pressure in December - Salina, PA
  • Average pressure in December: 30.1"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).

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Average wind speed in December
Salina, PA

Average wind speed in December - Salina, PA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Salina, PA

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

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).

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Average rainfall in December
Salina, PA

Average rainfall in December - Salina, PA
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is November (1.02").

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Average rainfall days in December
Salina, PA

Average rainfall days in December - Salina, PA
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is May (17.6 days).
The months with the least rainy days are January and February (7.8 days).

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Average snowfall in December
Salina, PA

Average snowfall in December - Salina, PA
  • Average snowfall in December: 2.2"

The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Salina, PA

Average snowfall days in December - Salina, PA
  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is January (12.9 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
Salina, PA

Average daylight in December / Average sunshine in December - Salina, PA
  • Average daylight in December: 9h and 20min

The month with the longest days is June (Average daylight: 15h and 1min).
The month with the shortest days is December (Average daylight: 9h and 20min).

  • Average sunshine in December: 3h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in December
Salina, PA

Average sunshine days in December - Salina, PA
  • Average sunshine days in December: 14 days

The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is May (10 days).

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Average UV index in December
Salina, PA

Average UV index in December - Salina, 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).

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Average cloud cover in December
Salina, PA

Average cloud cover in December - Salina, PA
  • Average cloud cover in December: 67

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in December
Salina, PA

Average visibility in December - Salina, 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).

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