December weather forecast
Keysburg, AL

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Weather in December

December, the first month of the winter in Keysburg, is also a fresh month, with an average temperature varying between 53.8°F (12.1°C) and 38.7°F (3.7°C).

Temperature

December brings a slight decrease in the average high-temperature, shifting from an enjoyable 61.3°F (16.3°C) in November to a fresh 53.8°F (12.1°C). December nights experience a consistent temperature drop to an icy 38.7°F (3.7°C).

Humidity

The most humid month is December, with an average relative humidity of 80%.

Rainfall

The months with the most rainfall are February and December, with an average 3.9" (99mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.7 days and typically aggregates up to 0.43" (11mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 6:31 am and sunset at 4:34 pm. On the last day of December, sunrise is at 6:48 am and sunset at 4:45 pm CST.

Sunshine

In Keysburg, the average sunshine in December is 4.8h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

In December, the average high-temperature and low-temperature in Keysburg are 53.8°F (12.1°C) and 38.7°F (3.7°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is computed to be 91.4°F (33°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 80%.

What is the average humidity in December?

The average relative humidity in December is 80%.

What is the wettest month?

The wettest months are February and December, with an average 3.9" (99mm) of rainfall.

How many days does it rain in December in Keysburg?

In December, the rain falls for 13.5 days. Throughout December, 3.9" (99mm) of precipitation is accumulated.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 0.7 days and accumulates 0.43" (11mm) of snow.

How many days does it snow in December?

In Keysburg, in December, during 0.7 snowfall days, 0.43" (11mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 54min of daylight.

How many hours of daylight does Keysburg have in December?

In December, the average day length is 9h and 56min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:31 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 4:45 pm CST.

How long on average sun shines in December?

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

What is the month with the lowest UV index?

With an average maximum UV index of 2, December is the month with the lowest UV index.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes 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
Keysburg, AL

Average temperature in December - Keysburg, AL
  • Average high temperature in December: 53.8°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in December: 38.7°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).

Average pressure in December
Keysburg, AL

Average pressure in December - Keysburg, AL
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in December
Keysburg, AL

Average wind speed in December - Keysburg, AL
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

Average humidity in December
Keysburg, AL

Average humidity in December - Keysburg, AL
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Keysburg, AL

Average rainfall in December - Keysburg, AL
  • Average rainfall in December: 3.9"

The wettest months (with the highest rainfall) are February and December (3.9").
The driest month (with the least rainfall) is October (2.32").

Average rainfall days in December
Keysburg, AL

Average rainfall days in December - Keysburg, AL
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December
Keysburg, AL

Average snowfall in December - Keysburg, AL
  • Average snowfall in December: 0.43"

The month with the highest snowfall is December (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Keysburg, AL

Average snowfall days in December - Keysburg, AL
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Keysburg, AL

Average daylight in December / Average sunshine in December - Keysburg, AL
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 4h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Keysburg, AL

Average sunshine days in December - Keysburg, AL
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in December
Keysburg, AL

Average UV index in December - Keysburg, AL
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Keysburg, AL

Average cloud cover in December - Keysburg, AL
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Keysburg, AL

Average visibility in December - Keysburg, AL
  • Average visibility in December: 6mi

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

Keysburg, Alabama, USA

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