December weather forecast and climate
Dayton, AL

The first month of the winter, December, is also a moderate month in Dayton, Alabama, with average temperature varying between 42.6°F (5.9°C) and 57.9°F (14.4°C).

Temperature

In December, the average high-temperature slightly decreases, from a comfortable 65.3°F (18.5°C) in November, to a mild 57.9°F (14.4°C). The average low-temperature, in December, is 42.6°F (5.9°C).

Humidity

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

Rainfall

The month with the most rainfall in Dayton is December when the rain falls for 13 days and typically aggregates up to 3.5" (89mm) of precipitation.

Snowfall

Months with snowfall in Dayton are January, February and December. Months with the most snowfall in Dayton are January and December, with an average 0.35" (9mm) of accumulated snow.

Daylight

With an average of 10.1h of daylight, December has the shortest days of the year.

Sunshine

December has the least sunshine of the year in Dayton, Alabama, with an average of 4.9h of sunshine.

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 health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Dayton?

The average high-temperature, in December, in Dayton, is 57.9°F (14.4°C), while the average low-temperature is 42.6°F (5.9°C).

What is the most humid month in Dayton?

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

What is the average humidity in December in Dayton?

In Dayton, Alabama, the average relative humidity in December is 80%.

How much does it rain in Dayton in December?

In Dayton, in December, it is raining for 13 days, with typically 3.5" (89mm) of accumulated precipitation.

What is the wettest month in Dayton?

The month with the most rainfall in Dayton, Alabama, is December when the rain falls for 13 days and typically aggregates up to 3.5" (89mm) of precipitation.

When does it start to snow in Dayton?

December is the first month it typically snows in Dayton. Throughout December, in the average 0.4 snowfall days, it receives 0.35" (9mm) of snow.

What is the snowiest month in Dayton?

Months with the most snowfall in Dayton are January and December, with an average 0.35" (9mm) of accumulated snow.

What is the month with the shortest days in Dayton?

With an average of 10.1h of daylight, December has the shortest days of the year in Dayton.

How many hours of daylight does Dayton have in December?

In December, the average length of the day in Dayton, Alabama, is 10.1h.

What is the month with the least sunshine in Dayton?

With an average of 4.9h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Dayton?

The average sunshine in December is 4.9h.

What are the months with the lowest UV index in Dayton?

Months with the lowest UV index in Dayton, Alabama, are January and December, with an average maximum UV index of 3.

What is the UV index reading in December in Dayton?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in December - Dayton, AL
  • Average high temperature in December: 57.9°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in December: 42.6°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

Average pressure in December - Dayton, AL
  • Average pressure in December: 30.14"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.96").

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

The windiest months (with the highest average wind speed) are January, February, March and April (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December - Dayton, 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 (69%).

Average rainfall in December - Dayton, AL
  • Average rainfall in December: 3.5"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in December - Dayton, AL
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in December - Dayton, AL
  • Average snowfall in December: 0.35"

Months with the highest snowfall are January and December (0.35").
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December - Dayton, AL
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is January (0.8 days).
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 - Dayton, AL
  • Average daylight in December: 10.1h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in December: 4.9h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 4.9h).

Average sunshine days in December - Dayton, AL
  • Average sunshine days in December: 16.8 days

The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is July (8.3 days).

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

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

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

Months with the most cloud cover are February and December (Cloud cover 47).
Months with the least cloud cover are September and October (Cloud cover 29).

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

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