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
In December, the average high-temperature decreases from a moderate 59.9°F (15.5°C) in November to a cool 50.4°F (10.2°C). The average low-temperature, in Fort Smith, is 35.4°F (1.9°C).Humidity
In Fort Smith, the average relative humidity in December is 75%.Rainfall
In December, the rain falls for 7.9 days. Throughout December, 1.77" (45mm) of precipitation is accumulated. In Fort Smith, Arkansas, during the entire year, the rain falls for 131.9 days and collects up to 25.51" (648mm) of precipitation.Snowfall
Months with snowfall in Fort Smith are January through March and December. December is the first month it typically snows in Fort Smith, Arkansas. Throughout December, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 3.9 snowfall days, and 0.79" (20mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 49min of daylight.On the first day of December in Fort Smith, sunrise is at 7:08 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:14 pm CST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Fort Smith.UV index
The month with the lowest UV index in Fort Smith is December, 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 the average person.Note: The daily maximum UV index of 2 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to 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 the 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.
FAQ
What is the temperature in December in Fort Smith?
What is the average humidity in December in Fort Smith?
How much does it rain in Fort Smith in December?
When does it start snowing in Fort Smith?
What is the month with the shortest days in Fort Smith?
What is the average length of the day in December in Fort Smith?
What time are sunrise and sunset in December in Fort Smith?
What is the month with the least sunshine in Fort Smith?
How many hours of sunshine does Fort Smith have in December?
When is the lowest UV index in Fort Smith?
How high is the UV index in December in Fort Smith?
Average temperature in December
Fort Smith, AR
- Average high temperature in December: 50.4°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Fort Smith, 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
Fort Smith, AR
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Fort Smith, AR
- Average humidity in December: 75%
The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in December
Fort Smith, AR
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in December
Fort Smith, AR
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is April (14 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in December
Fort Smith, AR
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Fort Smith, AR
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.7 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
Fort Smith, AR
- Average daylight in December: 9h and 49min
The month with the longest days is June (Average daylight: 14h and 31min).
The month with the shortest days is December (Average daylight: 9h and 49min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Fort Smith, AR
- Average sunshine days in December: 21.1 days
The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (14.2 days).
Average UV index in December
Fort Smith, AR
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Fort Smith, AR
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Fort Smith, AR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
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