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
Onset of December comes with a temperature decline, the average high falling from a refreshing 56.5°F (13.6°C) in November to a chilly 47.3°F (8.5°C). In Summit, an average temperature of 32.4°F (0.2°C) is noted during December nights.Humidity
In December, the average relative humidity is 76%.Rainfall
In Summit, during December, the rain falls for 8 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Summit, during the entire year, the rain falls for 141.3 days and collects up to 32.48" (825mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Summit, Arkansas, during December, snow falls for 1.5 days and regularly aggregates up to 0.71" (18mm) of snow. Throughout the year, there are 11.3 snowfall days, and 5.12" (130mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:56 pm. On the last day of December, sunrise is at 7:21 am and sunset at 5:06 pm CST.
Sunshine
In Summit, the average sunshine in December is 5.5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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 much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Summit have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Summit have in December?
When is the lowest UV index in Summit?
What is the UV index intensity in December?
Average temperature in December
Summit, AR
- Average high temperature in December: 47.3°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in December
Summit, 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
Summit, AR
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are February and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Summit, AR
- Average humidity in December: 76%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July, August and October (73%).
Average rainfall in December
Summit, AR
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Summit, AR
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and December (8 days).
Average snowfall in December
Summit, AR
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Summit, AR
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (4 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
Summit, AR
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in December
Summit, AR
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is December (21.4 days).
The months with the least sunshine days are May and August (13.6 days).
Average UV index in December
Summit, AR
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Summit, AR
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in December
Summit, AR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, June, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July, August and September (5mi).
Summit, Arkansas, USA
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