December weather forecast
Salfordville, PA

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Weather in December

December, the first month of the winter in Salfordville, is still a cold month, with an average temperature ranging between min 30.4°F (-0.9°C) and max 41.5°F (5.3°C).

Temperature

Salfordville in December undergoes a mild reduction in the average high-temperature, shifting from November's cool 50.9°F (10.5°C) to a cold 41.5°F (5.3°C). During the nights in December, Salfordville experiences a consistent average temperature of 30.4°F (-0.9°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Salfordville, Pennsylvania, in December, during 8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Salfordville, during the entire year, the rain falls for 128.6 days and collects up to 15.16" (385mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Salfordville, in December, during 2 snowfall days, 1.34" (34mm) of snow is typically accumulated. In Salfordville, during the entire year, snow falls for 17 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, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:45 pm EST.

Sunshine

In December, the average sunshine 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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 2 during December translates into the following guidance:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

Salfordville in December has an average high-temperature of 41.5°F (5.3°C) and an average low-temperature of 30.4°F (-0.9°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in December in Salfordville?

In December, the average relative humidity is 80%.

How many days does it rain in December?

In Salfordville, during December, the rain falls for 8 days and regularly aggregates up to 1.34" (34mm) of precipitation.

How much does it snow in December?

In Salfordville, in December, during 2 snowfall days, 1.34" (34mm) of snow is typically accumulated.

What is the month with the shortest days in Salfordville?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

How many hours of daylight does Salfordville have in December?

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

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:45 pm EST.

How long on average sun shines in December?

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

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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
Salfordville, PA

Average temperature in December - Salfordville, PA
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 30.4°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in December
Salfordville, PA

Average pressure in December - Salfordville, 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
Salfordville, PA

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Salfordville, PA

Average humidity in December - Salfordville, PA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in December
Salfordville, PA

Average rainfall in December - Salfordville, PA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in December
Salfordville, PA

Average rainfall days in December - Salfordville, PA
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).

Average snowfall in December
Salfordville, PA

Average snowfall in December - Salfordville, PA
  • Average snowfall in December: 1.34"

The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Salfordville, PA

Average snowfall days in December - Salfordville, PA
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Salfordville, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Salfordville, PA

Average sunshine days in December - Salfordville, PA
  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Salfordville, PA

Average UV index in December - Salfordville, 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
Salfordville, PA

Average cloud cover in December - Salfordville, PA
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Salfordville, PA

Average visibility in December - Salfordville, 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).

Salfordville, Pennsylvania, USA

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