December weather forecast
Caldwell, AR

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Weather in December

December, the first month of the winter in Caldwell, is still a cool month, with temperature in the range of an average high of 50.9°F (10.5°C) and an average low of 38.3°F (3.5°C).

Temperature

Caldwell experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a moderate 59.5°F (15.3°C) in November to a cool 50.9°F (10.5°C). Throughout the month of December, Caldwell expects an average low of 38.3°F (3.5°C).

Humidity

The average relative humidity in December in Caldwell is 77%.

Rainfall

In December, the rain falls for 8.7 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 127.8 rainfall days, and 16.65" (423mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, October through December. In Caldwell, Arkansas, in December, snow falls for 0.5 days, with typically accumulated 0.12" (3mm) of snow. Throughout the year, there are 4.3 snowfall days, and 0.75" (19mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:53 am and sunset at 4:51 pm. On the last day of December, in Caldwell, sunrise is at 7:11 am and sunset at 5:01 pm CST.

Sunshine

The average sunshine in December is 5.1h.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What is the temperature in December in Caldwell?

The average high-temperature and low-temperature in Caldwell during December are 50.9°F (10.5°C) and 38.3°F (3.5°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 89.6°F (32°C).

What is the average humidity in December in Caldwell?

In December, the average relative humidity in Caldwell, Arkansas, is 77%.

How much does it rain in Caldwell in December?

In December, the rain falls for 8.7 days. Throughout December, 1.46" (37mm) of precipitation is accumulated.

How much does it snow in Caldwell in December?

In Caldwell, Arkansas, during December, snow falls for 0.5 days and regularly aggregates up to 0.12" (3mm) of snow.

What is the month with the shortest days in Caldwell?

The month with the shortest days in Caldwell is December, with an average of 9h and 48min of daylight.

How many hours of daylight does Caldwell have in December?

In December, the average day length in Caldwell, Arkansas, is 9h and 50min.

What time are sunrise and sunset in December in Caldwell?

In December, on the first day of the month, sunrise is at 6:53 am and sunset at 4:51 pm. On the last day of the month, in Caldwell, Arkansas, sunrise is at 7:11 am and sunset at 5:01 pm CST.

How many hours of sunshine does Caldwell have in December?

The average sunshine duration in December is 5.1h.

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

With an average maximum UV index of 2, December is the month with the lowest UV index in Caldwell.

How high is the UV index in December in Caldwell?

The average daily maximum UV index in December in Caldwell is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's 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
Caldwell, AR

Average temperature in December - Caldwell, AR
  • Average high temperature in December: 50.9°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in December: 38.3°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 (34.2°F).

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Average pressure in December
Caldwell, AR

Average pressure in December - Caldwell, AR
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Caldwell, AR

Average wind speed in December - Caldwell, AR
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Caldwell, AR

Average humidity in December - Caldwell, AR
  • Average humidity in December: 77%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in December
Caldwell, AR

Average rainfall in December - Caldwell, AR
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is September (0.75").

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Average rainfall days in December
Caldwell, AR

Average rainfall days in December - Caldwell, AR
  • Average rainfall days in December: 8.7 days

The months with the highest number of rainy days are May, July and August (13.3 days).
The month with the least rainy days is November (7.4 days).

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Average snowfall in December
Caldwell, AR

Average snowfall in December - Caldwell, AR
  • Average snowfall in December: 0.12"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in December
Caldwell, AR

Average snowfall days in December - Caldwell, AR
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Caldwell, AR

Average daylight in December / Average sunshine in December - Caldwell, AR
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Caldwell, AR

Average sunshine days in December - Caldwell, AR
  • Average sunshine days in December: 20 days

The months with the most sunshine days are October and November (21.4 days).
The month with the least sunshine days is August (14.2 days).

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Average UV index in December
Caldwell, AR

Average UV index in December - Caldwell, AR
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Caldwell, AR

Average cloud cover in December - Caldwell, AR
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in December
Caldwell, AR

Average visibility in December - Caldwell, AR
  • 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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Caldwell, Arkansas, USA

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