December weather forecast and climate
Montevallo, AL

Weather in December

December, the first month of the winter, in Montevallo, is still a cool month, with temperature in the range of an average low of 40.5°F (4.7°C) and an average high of 55.2°F (12.9°C).

Temperature

In Montevallo, the average high-temperature marginally drops, from an enjoyable 62.8°F (17.1°C) in November, to a fresh 55.2°F (12.9°C). In December, in Montevallo, the average low-temperature is 40.5°F (4.7°C).

Humidity

With an average relative humidity of 80%, December is the most humid month.

Rainfall

In Montevallo, Alabama, during December, the rain falls for 11.2 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, in Montevallo, there are 148.8 rainfall days, and 23.11" (587mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Montevallo are January, February and December. The month with the most snowfall is December when snow falls for 0.5 days and typically aggregates up to 0.47" (12mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h of daylight.

Sunshine

February and December, with an average of 4.9h of sunshine, are months with the least sunshine.

UV index

Months with the lowest UV index in Montevallo are January, February and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. 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.
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FAQ

What is the temperature in December in Montevallo?

In December, in Montevallo, the average high-temperature is 55.2°F (12.9°C), and the average low-temperature is 40.5°F (4.7°C).

What is the most humid month in Montevallo?

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

What is the average humidity in December in Montevallo?

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

How many days does it rain in December in Montevallo?

In Montevallo, Alabama, during December, the rain falls for 11.2 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When does it start snowing in Montevallo?

December is the first month it typically snows in Montevallo, Alabama. Throughout December, in the average 0.5 snowfall days, it receives 0.47" (12mm) of snow.

What is the snowiest month in Montevallo?

December is the month with the most snowfall. Snow falls for 0.5 days and accumulates 0.47" (12mm) of snow.

What is the month with the shortest days in Montevallo?

December has the shortest days of the year in Montevallo, Alabama, with an average of 10h of daylight.

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

In Montevallo, Alabama, the average length of the day in December is 10h.

What is the month with the least sunshine in Montevallo?

February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Montevallo, Alabama.

How long on average sun shines in December in Montevallo?

In Montevallo, Alabama, the average sunshine in December is 4.9h.

When is the lowest UV index in Montevallo?

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

How high is the UV index in December in Montevallo?

In Montevallo, Alabama, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in December
Montevallo, AL

Average temperature in December - Montevallo, AL
  • Average high temperature in December: 55.2°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in December: 40.5°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).

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Average pressure in December
Montevallo, AL

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

The month with the highest atmospheric pressure is January (30.17").
Months with the lowest atmospheric pressure are June and August (29.98").

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Average wind speed in December
Montevallo, AL

Average wind speed in December - Montevallo, AL
  • Average wind speed in December: 7.1mph

The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

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Average humidity in December
Montevallo, AL

Average humidity in December - Montevallo, 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 (71%).

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Average rainfall in December
Montevallo, AL

Average rainfall in December - Montevallo, AL
  • Average rainfall in December: 2.01"

The wettest month (with the highest rainfall) is August (2.52").
The driest months (with the least rainfall) are September and October (1.26").

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Average rainfall days in December
Montevallo, AL

Average rainfall days in December - Montevallo, AL
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (6.7 days).

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Average snowfall in December
Montevallo, AL

Average snowfall in December - Montevallo, AL
  • Average snowfall in December: 0.47"

The month with the highest snowfall is December (0.47").
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Montevallo, AL

Average snowfall days in December - Montevallo, AL
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is January (1 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Montevallo, AL
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 4.9h

Months with the most sunshine are June and July (Average sunshine: 10.6h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

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Average sunshine days in December
Montevallo, AL

Average sunshine days in December - Montevallo, AL
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (9 days).

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Average UV index in December
Montevallo, AL

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

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in December
Montevallo, AL

Average cloud cover in December - Montevallo, AL
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in December
Montevallo, AL

Average visibility in December - Montevallo, 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).

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