December weather forecast
Altheimer, AR

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Weather in December

The first month of the winter, December, is still a cool month in Altheimer, Arkansas, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 39.4°F (4.1°C).

Temperature

Altheimer's progression into December involves a minor drop in the average high-temperature, slightly receding from a comfortable 61.3°F (16.3°C) in November to a fresh 52.7°F (11.5°C). During the month of December, the nighttime temperature falls to an average of 39.4°F (4.1°C).

Humidity

February, March and December, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Altheimer, in December, it is raining for 9.8 days, with typically 1.61" (41mm) of accumulated precipitation. In Altheimer, during the entire year, the rain falls for 130.3 days and collects up to 18.54" (471mm) of precipitation.

Snowfall

March through December are months without snowfall in Altheimer.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:55 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:07 pm CST.

Sunshine

In December, the average sunshine is 5.2h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Altheimer, Arkansas. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, a regular UV index of 3 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Stay sun-safe with clothing that is both closely woven and worn loosely. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

During December, Altheimer experiences an average high-temperature of 52.7°F (11.5°C) and a low-temperature of 39.4°F (4.1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is estimated at 95°F (35°C).

What are the most humid months?

The months with the highest humidity are February, March and December, with an average relative humidity of 78%.

What is the average humidity in December?

In December, the average relative humidity in Altheimer is 78%.

How much does it rain in December?

In Altheimer, in December, it is raining for 9.8 days, with typically 1.61" (41mm) of accumulated precipitation.

When it does not snow?

In Altheimer, snow does not fall in March through December.

Does it snow in December?

In Altheimer, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Altheimer?

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

How many hours of daylight does Altheimer have in December?

The average day length in December is 9h and 55min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:55 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:07 pm CST.

How many hours of sunshine does Altheimer have in December?

The average sunshine duration in December is 5.2h.

When is the lowest UV index in Altheimer?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.

What is the UV index reading in December?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Altheimer, AR

Average temperature in December - Altheimer, AR
  • Average high temperature in December: 52.7°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (49.8°F).

  • Average low temperature in December: 39.4°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).

Average pressure in December
Altheimer, AR

Average pressure in December - Altheimer, 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).

Average wind speed in December
Altheimer, AR

Average wind speed in December - Altheimer, AR
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Altheimer, AR

Average humidity in December - Altheimer, AR
  • Average humidity in December: 78%

The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (68%).

Average rainfall in December
Altheimer, AR

Average rainfall in December - Altheimer, AR
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is April (1.93").
The driest month (with the least rainfall) is November (0.91").

Average rainfall days in December
Altheimer, AR

Average rainfall days in December - Altheimer, AR
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (6.8 days).

Average snowfall in December
Altheimer, AR

Average snowfall in December - Altheimer, AR
  • Average snowfall in December: 0"

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

Average snowfall days in December
Altheimer, AR

Average snowfall days in December - Altheimer, AR
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.3 days).
The 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
Altheimer, AR

Average daylight in December / Average sunshine in December - Altheimer, AR
  • 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: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in December
Altheimer, AR

Average sunshine days in December - Altheimer, AR
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in December
Altheimer, AR

Average UV index in December - Altheimer, AR
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Altheimer, AR

Average cloud cover in December - Altheimer, AR
  • Average cloud cover in December: 44

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in December
Altheimer, AR

Average visibility in December - Altheimer, 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).

Altheimer, Arkansas, USA

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