Monthly Temperature Data
Grand Rapids, Michigan
(July 2007 through June 2017)

Month/Year

Actual temperature

Normal temperature

Deviation from normal
July 2007  72.3 71.4 0.9
Aug. 2007 73.3 69.4 3.9
Sept. 2007 66.1 61.3 4.8
Oct. 2007 58.1 49.9 8.2
Nov. 2007 39.0 38.4 0.6
Dec. 2007 29.2 27.6 1.6
Jan. 2008 26.6 22.4 4.2
Feb. 2008 22.3 25 -2.7
Mar. 2008 32.8 34.6 -1.8
Apr. 2008 50.5 46.3 4.2
May 2008 55.5 58.1 -2.6
June 2008 68.9 67.1 1.8
July 2008 72.2 71.4 0.8
Aug. 2008 70.7 69.4 1.3
Sept. 2008 64.7 61.3 3.4
Oct. 2008 49.9 49.9 0
Nov. 2008 39.0 38.4 0.6
Dec. 2008 26.2 27.6 -1.4
Jan. 2009 17.5 22.4 -4.9
Feb. 2009 27.8 25 2.8
Mar. 2009 37.4 34.6 2.8
Apr. 2009 47.5 46.3 1.2
May 2009 58.3 58.1 0.2
June 2009 67.6 67.1 0.5
July 2009 67.1 71.4 -4.3
Aug. 2009 69.0 69.4 -0.4
Sept. 2009 63.6 61.3 2.3
Oct. 2009 48.3 49.9 -1.6
Nov. 2009 44.1 38.4 5.7
Dec. 2009 27.9 27.6 0.3
Jan. 2010 25.1 22.4 2.7
Feb. 2010 27.2 25 2.2
Mar. 2010 41.2 34.6 6.6
Apr. 2010 53.7 46.3 7.4
May 2010 61.6 58.1 3.5
June 2010 69.2 67.1 2.1
July 2010 75.5 71.4 4.1
Aug. 2010 74.9 69.4 5.5
Sept. 2010 62.7 61.3 1.4
Oct. 2010 53.6 49.9 3.7
Nov. 2010 41.8 38.4 3.4
Dec. 2010 27.4 27.6 -0.2
Jan. 2011 21.4 22.4 -1.0
Feb. 2011 25.6 25 0.6
Mar. 2011 33.8 34.6 -0.8
Apr. 2011 46.7 46.3 0.4
May 2011 60 58.1 1.9
June 2011 69.1 67.1 2
July 2011 77 71.4 5.6
Aug. 2011 71.8 70.8 1
Sept. 2011 61.9 62.8 -0.9
Oct. 2011 52.5 51 1.5
Nov. 2011 43.7 40.1 3.6
Dec. 2011 35 29.2 5.8
Jan. 2012 29.7 24.4 5.3
Feb. 2012 31.9 26.8 5.1
Mar. 2012 50.7 35.6 15.1
Apr. 2012 48.3 48 0.3
May 2012 63.2 58.7 4.5
June 2012 70.8 68.4 2.4
July 2012 79.2 72.5 6.7
Aug. 2012 70.8 70.8 0
Sept. 2012 63.0 62.8 0.2
Oct. 2012 50.8 51 -0.2
Nov. 2012 40.1 40.1 0
Dec. 2012 35.1 29.2 5.9
Jan. 2013 28 24.4 3.6
Feb. 2013 24.8 26.8 -2
Mar. 2013 31.5 35.6 -4.1
Apr. 2013 44.6 48 -3.4
May 2013 62.5 58.7 3.8
June 2013 68.4 68.4 0
July 2013 72.7 72.5 0.2
Aug. 2013 70.1 70.8 -0.7
Sept. 2013 63.7 62.8 0.9
Oct. 2013 53.1 51 2.1
Nov. 2013 37.8 40.1 -2.3
Dec. 2013 26.1 29.2 -3.1
Jan. 2014 18.1 24.4 -6.3
Feb. 2014 17.7 26.8 -9.1
Mar. 2014 26.6 35.6 -9
Apr. 2014 47.6 48 -0.4
May 2014 59.3 58.7 0.6
June 2014 70.2 68.4 1.8
July 2014 68.4 72.5 -4.1
Aug. 2015 71 70.8 0.2
Sept. 2014 62.1 62.8 -0.7
Oct. 2014 50.8 51 -0.2
Nov. 2014 34.3 40.1 -5.8
Dec. 2014 31.9 29.2 2.7
Jan. 2015 21.2 24.4 -3.2
Feb. 2015 13.3 26.8 -13.5
Mar. 2015 32.4 35.6 -3.2
Apr. 2015 47.7 48 -0.3
May 2015 60.9 58.7 2.2
June 2015 66.7 68.4 -1.7
July 2015 70.8 72.5 -1.7
Aug. 2015 69.6 70.8 -1.2
Sept. 2015 67.2 62.8 4.4
Oct. 2015 52.1 51 1.1
Nov. 2015 45.5 40.1 5.4
Dec. 2015 39.1 29.2 9.9
Jan. 2016 26 24.4 1.6
Feb. 2016 29.5 26.8 2.7
Mar. 2016 40.6 35.6 5
Apr. 2016 46 48 -2
May 2016 60.4 58.7 1.7
June 2016 70.3 68.4 1.9
July 2016 74.3 72.5 1.8
Aug. 2016 73.5 70.8 2.7
Sept. 2016 66.4 62.8 3.6
Oct. 2016 54.7 51 3.7
Nov. 2016 45.4 40.1 5.3
Dec. 2016 27.5 29.2 -1.7
Jan. 2017 29 24.4 4.6
Feb. 2017 34.7 26.8 7.9
Mar. 2017 35 35.6 -0.6
Apr. 2017 51.9 48 3.9
May 2017 57.6 58.7 -1.1
June 2017 69.5 68.4 1.1