December weather forecast
Haynes, AL

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Weather in December

December, the first month of the winter in Haynes, is also a moderate month, with an average temperature varying between 42.4°F (5.8°C) and 57.7°F (14.3°C).

Temperature

December's arrival comes with a mild decrease in the average high-temperature, moving subtly from 64.4°F (18°C) in November to a still refreshing 57.7°F (14.3°C). December sees the temperature falling to a mean low of 42.4°F (5.8°C).

Humidity

With an average relative humidity of 79%, December is the most humid month.

Rainfall

The month with the most rainfall is December, when the rain falls for 13.2 days and typically aggregates up to 4.02" (102mm) of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Haynes, during the entire year, snow falls for 1.3 days and aggregates up to 0.43" (11mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 0min of daylight.
On the first day of December, sunrise is at 6:31 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 4:51 pm CST.

Sunshine

The average sunshine in December is 4.9h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high daily UV index of 3 during December translates into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

What is the usual temperature for Haynes in December?

The high-temperature during December is 57.7°F (14.3°C) and the low-temperature is 42.4°F (5.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is appraised at 98.6°F (37°C).

What is the most humid month in Haynes?

With an average relative humidity of 79%, December is the most humid month.

What is the average humidity in December?

In Haynes, the average relative humidity in December is 79%.

What is the wettest month?

December is the month with the most rainfall. Rain falls for 13.2 days and accumulates 4.02" (102mm) of precipitation.

How much does it rain in December?

In Haynes, during December, the rain falls for 13.2 days and regularly aggregates up to 4.02" (102mm) of precipitation.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 0min of daylight.

How many hours of daylight does Haynes have in December?

In Haynes, the average day length in December is 10h and 3min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:31 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 4:51 pm CST.

How many hours of sunshine does Haynes have in December?

The average sunshine duration in December is 4.9h.

What is the month with the lowest UV index?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Haynes.

What is the UV index reading in December?

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
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
Haynes, AL

Average temperature in December - Haynes, AL
  • Average high temperature in December: 57.7°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (54.3°F).

  • Average low temperature in December: 42.4°F

The month with the highest average low temperature is August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).

Average pressure in December
Haynes, AL

Average pressure in December - Haynes, AL
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Haynes, AL

Average wind speed in December - Haynes, AL
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

Average humidity in December
Haynes, AL

Average humidity in December - Haynes, AL
  • Average humidity in December: 79%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Haynes, AL

Average rainfall in December - Haynes, AL
  • Average rainfall in December: 4.02"

The wettest month (with the highest rainfall) is December (4.02").
The driest month (with the least rainfall) is November (2.28").

Average rainfall days in December
Haynes, AL

Average rainfall days in December - Haynes, AL
  • Average rainfall days in December: 13.2 days

The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in December
Haynes, AL

Average snowfall in December - Haynes, AL
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Haynes, AL

Average snowfall days in December - Haynes, AL
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Haynes, AL
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Haynes, AL

Average sunshine days in December - Haynes, AL
  • Average sunshine days in December: 15.9 days

The months with the most sunshine days are October and November (20.2 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in December
Haynes, AL

Average UV index in December - Haynes, AL
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December
Haynes, AL

Average cloud cover in December - Haynes, AL
  • Average cloud cover in December: 48

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in December
Haynes, AL

Average visibility in December - Haynes, 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).

Haynes, Alabama, USA

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