Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a mild 59.2°F (15.1°C) to a fresh 50.9°F (10.5°C). Sims registers a consistent average low-temperature of 36°F (2.2°C) during December.Humidity
The average relative humidity in December is 79%.Rainfall
In Sims, in December, during 10.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 160.2 rainfall days, and 38.86" (987mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Sims, in December, snow falls for 0.9 days, with typically accumulated 0.55" (14mm) of snow. Throughout the year, there are 5.8 snowfall days, and 3.46" (88mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 5:03 pm. On the last day of December, sunrise is at 7:21 am and sunset at 5:14 pm CST.
Sunshine
The months with the least sunshine are February and December, with an average of 5.1h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December in Sims?
How much does it snow in December?
What is the month with the shortest days in Sims?
How many hours of daylight does Sims have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Sims have in December?
When is the lowest UV index?
How high is the UV index in December?
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).
Average pressure in December
Sims, 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
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).
Average humidity in December
Sims, AR
- Average humidity in December: 79%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are July, August, September and October (73%).
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").
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).
Average snowfall in December
Sims, AR
- Average snowfall in December: 0.55"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
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).
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
Sims, 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 July (Average sunshine: 10h and 12min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
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).
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).
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).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in December
Sims, AR
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Sims, Arkansas, USA
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