Fort Smith, Arkansas Climatology

 

Fort Smith, AR   Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Average High Temperature   49.9 55.4 64.7 73.7 80.5 88.1 93.0 93.4 85.4 74.8 62.8 51.5 72.8
Average Low Temperature   29.0 33.1 41.1 49.5 59.2 67.5 71.6 70.8 62.3 50.7 40.3 31.2 50.6
Average Mean Temperature   39.4 44.2 52.9 61.6 69.9 77.8 82.3 82.1 73.9 62.8 51.6 41.3 61.7
Record High Temperature   81 1952 87 1911 94 1974 96 2006 99 1934 106 2012
 111 1954 115 2011
 109 1998 96 1938 86 1915 82 1951 115 Aug 2011
Record Low Temperature   -11 1918 -15 1899 7 1948 22 1975 34 1903 47 1964 50 1972 45 1891 33 1967 22 1917 8 1976 -5 1989 -15 Feb 1899
Average Days At or Above 100 Degrees   0 0 0 0 0 0.3 3.0 4.8 0.6 0 0 0 8.7
Average Days At or Above 90 Degrees   0 0 0 0.5 2.2 11.9 22.8 21.9 9.0 0.6 0 0 68.9
Average Days At or Below 32 Degrees   20.5 12.7 4.8 0.6 0 0 0 0 0 0.4 6.4 17.4 62.8
Average Rainfall   2.81 2.76 3.85 4.30 5.47 4.28 3.30 2.59 4.05 4.32 4.44 3.29 45.46
Record Rainfall   11.33 1949 10.72 1884 13.03 1945 10.32 1957 13.67 1943 15.02 1945 14.99 1895 10.89 1890 10.49 1934 12.05 1951 14.01 1946 10.09 1971 71.81 1945
* Record Rainfall in 24 Hours   5.42 4.45 4.88 5.12 5.56 5.41 7.13 5.09 5.20 5.90 6.91 5.78 7.13
Record Least Rainfall   0.20 1986 0.14 1947 0.50 2007 0.36 1903 0.38 1886 0.38 1954 0.07 2001 T 2000 0.05 1928 T 1964 0.26 1904 0.09 1908 19.89 1917
Average Number of Rain Days   7.5 7.8 9.7 9.1 10.7 9.3 6.5 6.3 7.7 8.4 7.5 7.7 98.2
**Average Number of Thunderstorm Days   1 2 5 7 8 8 7 7 5 3 3 2 57
Average Snowfall   2.4 1.1 0.6 0 0 0 0 0 0 0 T 0.8 4.9
Record Snowfall   13.6 1918 18.3 1921 7.5 2010
 0.7 1933 0 0 0 0 0 T 1993 4.7 1976 8.3 1916 22.6 1921
Measurable Snowfall:   Latest / April 15 (0.7" in 1933) Earliest / November 2 (2.0")
Trace of Snowfall:   Latest / April 24 (in 1910) Earliest / October 29 (in 1993)
**Average Sunshine (%)   49 55 56 61 62 69 73 72 66 65 55 50 61
**Average Wind Speed (mph)   8.4 8.6 9.5 9.1 7.7 6.8 6.4 6.3 6.6 6.9 7.9 8.2 7.7
Average Heating Degree Days   792 582 386 156 27 1 0 0 17 137 411 734 3244
Average Cooling Degree Days   0 1 11 54 178 385 536 530 283 68 8 1 2053
Average Date Of 32 Degrees***:   Last: March 22 First: November 9
Freezing Temperature:   Latest Recorded: April 17 Earliest Recorded: October 8
Station Information   Elevation: 447 ft / Latitude: 35 20N / Longitude: 94 22W

Temperatures are reported in Fahrenheit and rainfall/snowfall totals are reported in inches.
Rain day is defined as a day with 0.01 inches or more of rain.
Records are for the period 1882-Present.
*Record Rainfall in 24 Hours for the period 1944-Present.
**Averages are for the period 1961-1990.
***Averages are for the period 1971-2000.
All other averages are for the period 1981-2010.
(Annual totals may be slightly different than monthly totals due to rounding)

 

Updated: May 5, 2013

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