December weather forecast
Hartselle, AL

Share

Weather in December

The first month of the winter, December, is also a fresh month in Hartselle, Alabama, with an average temperature ranging between max 52.5°F (11.4°C) and min 38.3°F (3.5°C).

Temperature

With the arrival of December, Hartselle notices a mild change in the average high-temperature, sliding from November's mild 59.9°F (15.5°C) to a cool 52.5°F (11.4°C). Hartselle in December anticipates an average nighttime temperature of 38.3°F (3.5°C).

Humidity

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

Rainfall

The month with the most rainfall is December, when the rain falls for 13.5 days and typically aggregates up to 4.25" (108mm) of precipitation.

Snowfall

Months with snowfall in Hartselle, Alabama, are January through March, November and December. In Hartselle, in December, snow falls for 1.4 days, with typically accumulated 0.31" (8mm) of snow. In Hartselle, Alabama, during the entire year, snow falls for 6.8 days and aggregates up to 1.97" (50mm) of snow.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of December in Hartselle, sunrise is at 6:36 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:48 pm CST.

Sunshine

The average sunshine in December is 4.7h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Hartselle. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: In December, the UV index of 2 transforms into the following advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
[Resources]

Frequently asked questions

What are December temperatures in Hartselle?

In Hartselle, in December, the average high-temperature is 52.5°F (11.4°C), and the average low-temperature is 38.3°F (3.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in September is calculated to be 89.6°F (32°C).

What is the most humid month in Hartselle?

The most humid month in Hartselle is December, with an average relative humidity of 79%.

What is the average humidity in December in Hartselle?

The average relative humidity in December in Hartselle is 79%.

What is the rainiest month in Hartselle?

The month with the most rainfall is December, when the rain falls for 13.5 days and typically aggregates up to 4.25" (108mm) of precipitation.

How many days does it rain in December in Hartselle?

In Hartselle, Alabama, in December, it is raining for 13.5 days, with typically 4.25" (108mm) of accumulated precipitation.

How much does it snow in Hartselle in December?

In December, it is snowing for 1.4 days. Throughout December, 0.31" (8mm) of snow is accumulated.

What is the month with the shortest days in Hartselle?

With an average of 9h and 54min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Hartselle?

In December, the average day length in Hartselle, Alabama, is 9h and 54min.

When is the sunrise / sunset in December in Hartselle?

In December, on the first day of the month, sunrise is at 6:36 am and sunset at 4:37 pm. On the last day of the month, in Hartselle, Alabama, sunrise is at 6:54 am and sunset at 4:48 pm CST.

How long on average sun shines in December in Hartselle?

In Hartselle, the average sunshine duration in December is 4.7h.

What is the month with the lowest UV index in Hartselle?

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

What is the UV index reading in December in Hartselle?

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

Average temperature in December - Hartselle, AL
  • Average high temperature in December: 52.5°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in December: 38.3°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

[Resources]

Average pressure in December
Hartselle, AL

Average pressure in December - Hartselle, 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).

[Resources]

Average wind speed in December
Hartselle, AL

Average wind speed in December - Hartselle, AL
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

[Resources]

Average humidity in December
Hartselle, AL

Average humidity in December - Hartselle, 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 (72%).

[Resources]

Average rainfall in December
Hartselle, AL

Average rainfall in December - Hartselle, AL
  • Average rainfall in December: 4.25"

The wettest month (with the highest rainfall) is December (4.25").
The driest month (with the least rainfall) is November (2.24").

[Resources]

Average rainfall days in December
Hartselle, AL

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

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (9.7 days).

[Resources]

Average snowfall in December
Hartselle, AL

Average snowfall in December - Hartselle, AL
  • Average snowfall in December: 0.31"

The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Hartselle, AL

Average snowfall days in December - Hartselle, AL
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Hartselle, 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 4min

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 36min).

[Resources]

Average sunshine days in December
Hartselle, AL

Average sunshine days in December - Hartselle, AL
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (9.3 days).

[Resources]

Average UV index in December
Hartselle, AL

Average UV index in December - Hartselle, AL
  • 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 and December (UV index 2).

[Resources]

Average cloud cover in December
Hartselle, AL

Average cloud cover in December - Hartselle, AL
  • 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 June (Cloud cover 30).

[Resources]

Average visibility in December
Hartselle, AL

Average visibility in December - Hartselle, 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).

[Resources]

Hartselle, Alabama, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location