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Fort Smith weather in December

Weather in Fort Smith: December

Average day temperature: 53.0°F
Average night temperature: 42.5°F
Number of sunny days: 14 days
Day length: 9.8 - 9.9 hours
Number of rainy days: 2 days
Precipitation totals: 0.8 in.

Air temperature in December, °F

Show year:
2025
2024
2023

The highest day temperature during December of 2025 was 79°F. At the same time the lowest night temperature was 23°F. Daily and nightly averages during December were 55.4°F and 39.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are sunny but cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Fort Smith in December is 0.8 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 5.6 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 5.7.

Best time for vacation in Fort Smith

Sunniest months:
October 20 days
September 18 days
August 18 days
Warmest months:
July 91.8 °F
August 91.3 °F
June 86.7 °F
Coldest months:
January 46.2 °F
February 50.1 °F
December 53.0 °F
Rainiest months:
May 7 days
April 4 days
March 3 days
Windiest months:
March 6.7 mph
April 6.6 mph
February 5.8 mph

Fort Smith on a weather map

Fort Smith
+45°F
NE 2 mph
Feels like: +43°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+66°F
+70°F
+70°F
+70°F
+70°F
+30°F
+79°F
+52°F
+59°F
+57°F
+55°F
+25°F
24 Hours Forecast
Fort Smith
Local time: 17:19
December 30, tuesday
1800
45°F
NE
2 mph
2100
37°F
N
2 mph
December 31, wednesday
0000
34°F
NE
2 mph
0300
34°F
E
2 mph
0600
32°F
E
2 mph
0900
36°F
E
3 mph
1200
48°F
E
5 mph
1500
55°F
E
6 mph
Units of measurement: °C / °F