December weather forecast
Starford, PA

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Weather in December

December, the first month of the winter in Starford, is still a cold month, with an average temperature fluctuating between 27°F (-2.8°C) and 37.4°F (3°C).

Temperature

Starford's progression into December involves a drop in the average high-temperature, receding from a frosty 47.1°F (8.4°C) in November to a cold 37.4°F (3°C). Starford, in December, experiences an average temperature of 27°F (-2.8°C) at night.

Humidity

In Starford, the average relative humidity in December is 85%.

Rainfall

In Starford, during December, the rain falls for 11.9 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Starford, during the entire year, the rain falls for 183.5 days and collects up to 33.46" (850mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 13.1 days. Throughout December, 5.67" (144mm) of snow is accumulated. In Starford, Pennsylvania, during the entire year, snow falls for 67.3 days and aggregates up to 28.62" (727mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:58 pm EST.

Sunshine

In December, the average sunshine is 3.2h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

How cold is December?

The high-temperature during December is 37.4°F (3°C) and the low-temperature is 27°F (-2.8°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 86°F (30°C).

What is the average humidity in December in Starford?

In December, the average relative humidity in Starford is 85%.

How much does it rain in December?

In Starford, in December, it is raining for 11.9 days, with typically 2.76" (70mm) of accumulated precipitation.

How many days does it snow in December in Starford?

In Starford, in December, snow falls for 13.1 days, with typically accumulated 5.67" (144mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

In Starford, the average day length in December is 9h and 19min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:21 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:58 pm EST.

How many hours of sunshine does Starford have in December?

In December, the average sunshine duration is 3.2h.

What is the month with the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

How high is the UV index in December?

In Starford, Pennsylvania, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk from 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
Starford, PA

Average temperature in December - Starford, PA
  • Average high temperature in December: 37.4°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in December: 27°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in December
Starford, PA

Average pressure in December - Starford, 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).

Average wind speed in December
Starford, PA

Average wind speed in December - Starford, PA
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Starford, PA

Average humidity in December - Starford, PA
  • Average humidity in December: 85%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).

Average rainfall in December
Starford, PA

Average rainfall in December - Starford, PA
  • Average rainfall in December: 2.76"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in December
Starford, PA

Average rainfall days in December - Starford, PA
  • Average rainfall days in December: 11.9 days

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in December
Starford, PA

Average snowfall in December - Starford, PA
  • Average snowfall in December: 5.67"

The month with the highest snowfall is January (7.05").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Starford, PA

Average snowfall days in December - Starford, PA
  • Average snowfall days in December: 13.1 days

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Starford, 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 18min).

  • Average sunshine in December: 3h and 1min

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

Average sunshine days in December
Starford, PA

Average sunshine days in December - Starford, PA
  • Average sunshine days in December: 9.8 days

The month with the most sunshine days is November (13.3 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in December
Starford, PA

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

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

Average cloud cover in December
Starford, PA

Average cloud cover in December - Starford, PA
  • Average cloud cover in December: 68

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in December
Starford, PA

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Starford, Pennsylvania, USA

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