December weather forecastCraley, PA

December

Weather in December

The first month of the winter, December, is also an icy month in Craley, Pennsylvania, with an average temperature fluctuating between 30°F (-1.1°C) and 41.9°F (5.5°C).

Temperature

Craley observes a minor decrease in the average high-temperature with the arrival of December, falling from November's fresh 51.1°F (10.6°C) to an icy 41.9°F (5.5°C). Nighttime temperature experiences an average drop to a subzero cold 30°F (-1.1°C) in December.

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Craley, in December, it is raining for 9.3 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Craley, there are 130.2 rainfall days, and 16.22" (412mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Craley, in December, snow falls for 3 days, with typically accumulated 0.71" (18mm) of snow. In Craley, Pennsylvania, during the entire year, snow falls for 18.9 days and aggregates up to 6.1" (155mm) 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 7:09 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:51 pm EST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

The high-temperature, in December, in Craley, is 41.9°F (5.5°C), while the low-temperature averages to 30°F (-1.1°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 86°F (30°C).

In December, the average relative humidity is 79%.

In December, the rain falls for 9.3 days. Throughout December, 1.14" (29mm) of precipitation is accumulated.

In December, it is snowing for 3 days. Throughout December, 0.71" (18mm) of snow is accumulated.

The month with the shortest days is December, with an average of 9h and 24min of daylight.

In Craley, the average day length in December is 9h and 23min.

On the first day of December in Craley, sunrise is at 7:09 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:51 pm EST.

The average sunshine duration in December is 4.8h.

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

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Craley, PA

  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in December
Craley, 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 (29.94"Hg).

Average wind speed in December
Craley, PA

  • Average wind speed in December: 8.3mph

The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Craley, PA

  • Average humidity in December: 79%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March and April (76%).

Average rainfall in December
Craley, PA

  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in December
Craley, PA

  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in December
Craley, PA

  • Average snowfall in December: 0.71"

The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Craley, PA

  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

  • Average daylight in December: 9h and 24min

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 48min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Craley, PA

  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (13.2 days).

Average UV index in December
Craley, PA

  • Average UV index in December: 2

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Craley, 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
Craley, PA

  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).