December weather forecast and climate
Sims, AR

Weather in December

The first month of the winter, December, is still a cool month in Sims, Arkansas, with average temperature fluctuating between 36°F (2.2°C) and 50.9°F (10.5°C).

Temperature

In Sims, the average high-temperature in December slightly decreases, from a mild 59.2°F (15.1°C) in November, to a cool 50.9°F (10.5°C). In December, the average low-temperature is 36°F (2.2°C).

Humidity

In Sims, the average relative humidity in December is 79%.

Rainfall

In Sims, Arkansas, during 10.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, in Sims, there are 160.2 rainfall days, and 38.86" (987mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Sims are January through March, November and December. In Sims, in December, during 0.9 snowfall days, 0.55" (14mm) of snow is typically accumulated. In Sims, Arkansas, during the entire year, snow falls for 5.8 days, and aggregates up to 3.46" (88mm) of snow.

Daylight

With an average of 9.9h of daylight, December has the shortest days of the year.

Sunshine

Months with the least sunshine in Sims are February and December, with an average of 5.1h of sunshine.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index in Sims, Arkansas. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 Sims?

In December, in Sims, the average high-temperature is 50.9°F (10.5°C), and the average low-temperature is 36°F (2.2°C).

What is the average humidity in December in Sims?

In Sims, the average relative humidity in December is 79%.

How much does it rain in Sims in December?

In Sims, Arkansas, during December, the rain falls for 10.8 days and regularly aggregates up to 3.11" (79mm) of precipitation.

How much does it snow in Sims in December?

In Sims, in December, snow falls for 0.9 days, with typically accumulated 0.55" (14mm) of snow.

What is the month with the shortest days in Sims?

The month with the shortest days is December, with an average of 9.9h of daylight.

How many hours of daylight does Sims have in December?

In Sims, the average length of the day in December is 9.9h.

What is the month with the least sunshine in Sims?

Months with the least sunshine in Sims are February and December, with an average of 5.1h of sunshine.

How many hours of sunshine does Sims have in December?

The average sunshine in December in Sims, Arkansas, is 5.1h.

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

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

How high is the UV index in December in Sims?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to the UV radiation.

Average temperature in December
Sims, AR

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

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

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Average pressure in December
Sims, AR

Average pressure in December - Sims, AR
  • Average pressure in December: 30.14"

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

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Average wind speed in December
Sims, AR

Average wind speed in December - Sims, AR
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Sims, AR

Average humidity in December - Sims, AR
  • Average humidity in December: 79%

The month with the highest relative humidity is March (80%).
Months with the lowest relative humidity are July, August, September and October (73%).

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Average rainfall in December
Sims, AR

Average rainfall in December - Sims, AR
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is January (2.32").

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Average rainfall days in December
Sims, AR

Average rainfall days in December - Sims, AR
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is January (9.6 days).

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Average snowfall in December
Sims, AR

Average snowfall in December - Sims, AR
  • Average snowfall in December: 0.55"

The month with the highest snowfall is February (1.46").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Sims, AR

Average snowfall days in December - Sims, AR
  • Average snowfall days in December: 0.9 days

The month with the highest number of snowfall days is February (2 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
Sims, AR

Average daylight in December / Average sunshine in December - Sims, AR
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 5.1h

The month with the most sunshine is July (Average sunshine: 10.2h).
Months with the least sunshine are February and December (Average sunshine: 5.1).

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Average sunshine days in December
Sims, AR

Average sunshine days in December - Sims, AR
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is January (19 days).
The month with the least sunshine days is August (10.5 days).

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Average UV index in December
Sims, AR

Average UV index in December - Sims, 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
Sims, AR

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

The month with the most cloud cover is February (Cloud cover 49).
Months with the least cloud cover are June, July, August and September (Cloud cover 30).

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Average visibility in December
Sims, AR

Average visibility in December - Sims, AR
  • Average visibility in December: 5mi

Months with the highest visibility are April, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, February, March, May and December (5mi).

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