December weather forecast
Salford, PA

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Weather in December

December, the first month of the winter in Salford, is also a wintry month, with an average temperature varying between 30.4°F (-0.9°C) and 41.5°F (5.3°C).

Temperature

In Salford, the average high-temperature in December decreases from a cool 50.9°F (10.5°C) in November to a wintry 41.5°F (5.3°C). Salford's nights in December cool down to an average low-temperature of 30.4°F (-0.9°C).

Humidity

In Salford, the average relative humidity in December is 80%.

Rainfall

In Salford, in December, during 8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Salford, 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 Salford, in December, snow falls for 2 days, with typically accumulated 1.34" (34mm) of snow. Throughout the year, there are 17 snowfall days, and 5.43" (138mm) of snow is accumulated.

Daylight

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

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

How cold does it get in December?

In December, in Salford, the average high-temperature is 41.5°F (5.3°C), and the average low-temperature is 30.4°F (-0.9°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 80%.

How much does it rain in December?

In Salford, in December, during 8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

How many days does it snow in December?

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

What is the month with the shortest days?

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

How many hours of daylight does Salford have in December?

In Salford, the average day length in December is 9h and 22min.

When is the sunrise / sunset in December?

In December, on the first day of the month, 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 Salford, the average sunshine duration in December is 4.8h.

What are the months 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?

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

Average temperature in December - Salford, 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
Salford, PA

Average pressure in December - Salford, 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
Salford, PA

Average wind speed in December - Salford, 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
Salford, PA

Average humidity in December - Salford, 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
Salford, PA

Average rainfall in December - Salford, 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
Salford, PA

Average rainfall days in December - Salford, 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
Salford, PA

Average snowfall in December - Salford, 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
Salford, PA

Average snowfall days in December - Salford, 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
Salford, PA

Average daylight in December / Average sunshine in December - Salford, 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
Salford, PA

Average sunshine days in December - Salford, 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
Salford, PA

Average UV index in December - Salford, 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
Salford, PA

Average cloud cover in December - Salford, 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
Salford, PA

Average visibility in December - Salford, 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).

Salford, Pennsylvania, USA

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