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Turning Stormy in the Northwest

An active fall storm pattern developing in the Pacific Northwest this week will bring areas of heavy rain and high elevation snow. Northern California will benefit from rainfall this week that will aid firefighters given the recent large wildfires. Read More >


Warmest and Coldest Seasons for Sioux City, IA

Sioux City                Winter...Dec+Jan+Feb  Spring...Mar+Apr+May 
Seasonal Temperatures     Summer...Jun+Jul+Aug  Autumn...Sep+Oct+Nov

Warmest Seasons...Temperatures Average and Year

Rank    Winter     Rank    Spring   Rank   Summer   Rank   Autumn

 1. 32.1  1930-31   1. 57.8  2012    1. 80.1  1936   1. 56.6  1963
 2. 31.4  1991-92   2. 54.5  1977    2. 76.9  1934   2. 56.2  1931
 3. 29.5  1986-87   3. 53.9  1987    3. 76.8  1931   3. 55.9  2016
 4. 28.8  1997-98   4. 53.6  1985    4. 76.6  1955   4. 55.1  1922
 5. 28.4  2001-02   5. 52.8  1934    5. 76.3  1988   5. 55.0  1938
 6. 28.3  1918-19      52.8  1910       76.3  1937   6. 54.9  1998
 7. 28.1  1999-00   7. 52.7  1991       76.3  1933   7. 54.7  2015
    28.1  1920-21   8. 52.5  2000    8. 76.2  1901   8. 54.3  1939
 9. 27.9  2015-16      52.5  1946    9. 76.1  1938   9. 54.0  2005
10. 27.3  2011-12  10. 52.4  1925   10. 75.5  1921      54.0  1953

Coldest Seasons...Temperature Average and Year

Rank    Winter     Rank  Spring    Rank   Summer   Rank   Autumn

 1.  9.5  1978-79   1. 42.9  1960   1. 67.0  1915   1. 42.7  1896
 2. 11.1  1935-36   2. 43.4  1950   2. 67.8  1992   2. 46.2  1985
 3. 13.4  1977-78   3. 43.6  1899   3. 69.0  2004      46.2  1976 
 4. 14.9  1917-18      43.6  1893   4. 69.1  1950   4. 46.6  1996
 5. 15.7  1904-05      43.6  1892   5. 69.2  1903      46.6  1993
 6. 15.8  1981-82   6. 43.8  1909   6. 69.4  1904      46.6  1951   
 7. 16.1  1909-10      43.8  1907   7. 69.6  1902   7. 46.7  1959
 8. 16.2  1892-93   8. 43.9  1951   8. 69.7  1945   8. 47.2  1991
 9. 16.3  2000-01   9. 44.1  1996      69.7  1908   9. 47.4  1995
    16.3  1916-17  10. 44.3  1947  10. 70.0  1951      47.4  1911
                                       70.0  1927

updated 2/18/2017