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
The start of December comes with a small reduction in the average high-temperature, subtly receding from a moderate 57.7°F (14.3°C) in November to a frosty 48.9°F (9.4°C). Throughout the month of December, Riggs reports a steady low-temperature average of 36.5°F (2.5°C).Humidity
The average relative humidity in December is 77%.Rainfall
In December, the rain falls for 7.1 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. Throughout the year, there are 112.1 rainfall days, and 10.98" (279mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Riggs, in December, snow falls for 0.7 days, with typically accumulated 0.08" (2mm) of snow. In Riggs, during the entire year, snow falls for 4.8 days and aggregates up to 0.79" (20mm) of snow.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 6:55 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:13 am and sunset at 5:00 pm CST.
Sunshine
In Riggs, the average sunshine in December is 5.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Riggs, AR
- Average high temperature in December: 48.9°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 (45.1°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in December
Riggs, 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 (29.93"Hg).
Average wind speed in December
Riggs, AR
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Riggs, AR
- Average humidity in December: 77%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Riggs, AR
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
Riggs, AR
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is December (7.1 days).
Average snowfall in December
Riggs, AR
- Average snowfall in December: 0.08"
The month with the highest snowfall is March (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Riggs, AR
- Average snowfall days in December: 0.7 days
The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Riggs, 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 54min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Riggs, AR
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in December
Riggs, AR
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Riggs, AR
- Average cloud cover in December: 43
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in December
Riggs, 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).
Riggs, Arkansas, USA
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