December weather forecast
Richmond Hills, AL

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Weather in December

December, the first month of the winter in Richmond Hills, is still a cool month, with an average temperature ranging between min 37.8°F (3.2°C) and max 51.1°F (10.6°C).

Temperature

December signifies a gentle decline in Richmond Hills's average high-temperature, easing from a moderate 59.2°F (15.1°C) in November to a cool 51.1°F (10.6°C). Throughout the month of December, Richmond Hills observes an average nighttime temperature of 37.8°F (3.2°C).

Humidity

March and December, with an average relative humidity of 79%, are the most humid months in Richmond Hills.

Rainfall

In Richmond Hills, Alabama, in December, it is raining for 13.2 days, with typically 3.7" (94mm) of accumulated precipitation. Throughout the year, in Richmond Hills, there are 178.6 rainfall days, and 41.26" (1048mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Richmond Hills are January through March, November and December. In Richmond Hills, in December, snow falls for 1.1 days, with typically accumulated 0.28" (7mm) of snow. In Richmond Hills, Alabama, during the entire year, snow falls for 7.3 days and aggregates up to 1.69" (43mm) of snow.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year in Richmond Hills.
On the first day of December, sunrise is at 6:40 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:50 pm CST.

Sunshine

February and December, with an average of 4.7h of sunshine, are months with the least sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. It's recommended to limit sun exposure when its radiation is at its peak during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the temperature in December in Richmond Hills?

In December, the average high-temperature and low-temperature in Richmond Hills are 51.1°F (10.6°C) and 37.8°F (3.2°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is calculated to be 89.6°F (32°C).

What is the most humid month in Richmond Hills?

The months with the highest humidity are March and December, with an average relative humidity of 79%.

What is the average humidity in December in Richmond Hills?

In December, the average relative humidity in Richmond Hills, Alabama, is 79%.

How many days does it rain in December in Richmond Hills?

In December, in Richmond Hills, the rain falls for 13.2 days. Throughout December, 3.7" (94mm) of precipitation is accumulated.

How many days does it snow in December in Richmond Hills?

In December, in Richmond Hills, it is snowing for 1.1 days. Throughout December, 0.28" (7mm) of snow is accumulated.

What is the month with the shortest days in Richmond Hills?

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

What is the average length of the day in December in Richmond Hills?

The average day length in December is 9h and 52min.

When are sunrise and sunset in December in Richmond Hills?

On the first day of December in Richmond Hills, Alabama, sunrise is at 6:40 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:50 pm CST.

What is the month with the least sunshine in Richmond Hills?

The months with the least sunshine are February and December, with an average of 4.7h of sunshine.

How many hours of sunshine does Richmond Hills have in December?

In December, the average sunshine duration is 4.7h.

When is the lowest UV index in Richmond Hills?

The month with the lowest UV index in Richmond Hills is December, with an average maximum UV index of 2.

What is the UV index reading in December in Richmond Hills?

In December, the average daily maximum UV index in Richmond Hills is 2. A UV Index reading of 2, and below, represents a low health risk 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
Richmond Hills, AL

Average temperature in December - Richmond Hills, AL
  • Average high temperature in December: 51.1°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in December: 37.8°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 (33.1°F).

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Average pressure in December
Richmond Hills, AL

Average pressure in December - Richmond Hills, 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 (29.97"Hg).

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Average wind speed in December
Richmond Hills, AL

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

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

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Average humidity in December
Richmond Hills, AL

Average humidity in December - Richmond Hills, AL
  • Average humidity in December: 79%

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Richmond Hills, AL

Average rainfall in December - Richmond Hills, AL
  • Average rainfall in December: 3.7"

The wettest month (with the highest rainfall) is February (4.53").
The driest month (with the least rainfall) is November (2.56").

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Average rainfall days in December
Richmond Hills, AL

Average rainfall days in December - Richmond Hills, AL
  • Average rainfall days in December: 13.2 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.5 days).

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Average snowfall in December
Richmond Hills, AL

Average snowfall in December - Richmond Hills, AL
  • Average snowfall in December: 0.28"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Richmond Hills, AL

Average snowfall days in December - Richmond Hills, AL
  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Richmond Hills, AL

Average daylight in December / Average sunshine in December - Richmond Hills, 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 months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

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Average sunshine days in December
Richmond Hills, AL

Average sunshine days in December - Richmond Hills, AL
  • Average sunshine days in December: 15.6 days

The months with the most sunshine days are October and November (17.6 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in December
Richmond Hills, AL

Average UV index in December - Richmond Hills, 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).

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Average cloud cover in December
Richmond Hills, AL

Average cloud cover in December - Richmond Hills, AL
  • Average cloud cover in December: 50

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in December
Richmond Hills, AL

Average visibility in December - Richmond Hills, 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).

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Richmond Hills, Alabama, USA

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