Eugene, OR. Ambient Temperature Eugene, OR. Hourly Average Ambient Temperature For 1977 to 2010 Latitude: 44.05 degrees Longitude: 123.07 degrees Altitude: 150 meters Mon\Hr 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Avg Jan 5.4 5.1 4.9 4.8 4.7 4.6 4.6 4.6 4.8 5.4 6.4 7.2 7.9 8.4 8.7 8.6 8.1 7.5 7.0 6.6 6.3 6.0 5.8 5.6 6.2 Feb 6.3 5.9 5.7 5.4 5.3 5.1 5.1 5.2 5.7 6.8 8.0 9.1 9.9 10.6 10.9 11.0 10.6 9.8 9.0 8.4 7.8 7.4 7.0 6.7 7.6 Mar 8.0 7.5 7.2 6.9 6.7 6.5 6.5 7.0 8.1 9.5 10.9 12.0 12.9 13.6 13.9 13.9 13.4 12.7 11.7 10.8 10.1 9.5 8.9 8.4 9.9 Apr 9.4 8.8 8.4 8.1 7.8 7.7 8.1 9.2 10.7 12.1 13.4 14.5 15.3 15.9 16.3 16.3 15.8 15.1 14.0 12.9 12.0 11.3 10.6 10.0 11.8 May 12.0 11.4 10.9 10.5 10.2 10.3 11.2 12.5 14.0 15.4 16.7 17.7 18.6 19.3 19.6 19.7 19.3 18.6 17.6 16.4 15.2 14.3 13.5 12.7 14.9 Jun 14.6 14.0 13.5 13.0 12.7 13.0 14.0 15.3 16.7 18.1 19.4 20.6 21.6 22.3 22.9 23.1 22.8 22.1 21.1 19.7 18.3 17.2 16.3 15.5 17.8 Jul 17.7 16.9 16.2 15.5 15.0 15.2 16.2 17.8 19.4 21.1 22.8 24.3 25.6 26.7 27.5 27.9 27.7 27.0 25.8 24.1 22.2 20.8 19.6 18.6 21.3 Aug 17.6 16.8 16.1 15.5 15.0 14.7 15.5 17.1 19.0 20.8 22.6 24.2 25.5 26.7 27.5 27.7 27.4 26.5 25.2 23.4 21.8 20.5 19.4 18.5 21.0 Sep 15.0 14.3 13.7 13.2 12.8 12.5 12.6 14.0 15.9 17.9 19.7 21.2 22.5 23.6 24.2 24.3 23.8 22.7 21.2 19.7 18.4 17.4 16.5 15.7 18.0 Oct 11.1 10.7 10.3 10.0 9.8 9.6 9.5 10.0 11.3 12.9 14.5 15.8 16.8 17.6 18.0 17.9 17.2 16.1 14.9 13.9 13.2 12.5 12.0 11.4 13.2 Nov 7.6 7.4 7.3 7.1 7.0 6.9 6.9 6.9 7.5 8.4 9.3 10.2 10.9 11.3 11.4 11.1 10.5 9.8 9.3 8.9 8.6 8.3 8.0 7.8 8.7 Dec 5.2 4.9 4.8 4.7 4.6 4.5 4.6 4.6 4.7 5.3 6.1 7.0 7.5 7.9 8.0 7.8 7.3 6.7 6.4 6.1 5.9 5.7 5.5 5.3 5.9 Values in Degrees Celsius Eugene, OR. Daily Average Ambient Temperature For 1977 to 2010 Latitude: 44.05 degrees Longitude: 123.07 degrees Altitude: 150 meters Year\Mth Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 1977 ---- ---- ---- 17.0* 14.1* 17.8* 22.7 22.7 17.8 13.9 7.0* ---- ---- 1978 9.5 10.7 13.8 12.5 16.3 19.0 21.4 20.2 16.9 14.9 7.7 4.5 14.0 1979 2.4 8.2 11.0 11.8 15.1 18.2 21.5 20.0 19.3 15.5 8.1 9.7 13.4 1980 5.3 9.2 10.5 13.3 13.4 16.2 20.3 18.5 17.6 13.5 10.4 8.7 13.1 1981 7.5 8.2 12.3 14.3 14.2 16.7 19.5 21.1 17.3 11.3 8.5 6.8 13.2 1982 3.9 6.5 7.3 8.9 13.4 17.2 18.5 20.1 16.8 12.6 6.2 4.9 11.4 1983 6.3 7.7 8.9 9.7 14.2 15.7 18.0 19.8 15.6 12.0 8.2 2.3 11.6 1984 4.9 6.6 9.1 8.5 12.3 15.0 20.1 20.0 16.4 10.4 6.4 2.6 11.0 1985 0.9 4.0 5.6 11.2 13.5 17.9 22.9 20.0 15.4 11.9 3.6 1.0 10.7 1986 7.2 7.5 11.8 10.8 15.5 20.5 20.4 24.2 17.9 15.7 11.1 7.8 14.2 1987 7.1 10.1 12.2 15.2 18.3 21.7 21.6 23.8 18.3 15.0 9.9 5.8 15.0 1988 5.7 8.0 9.4 11.8 13.8 17.2 21.6 20.5 17.9 14.9 8.8 6.7 13.0 1989 6.9 3.2 9.5 14.1 14.9 18.5 20.1 19.8 19.0 13.4 11.2 7.8 13.3 1990 7.5 6.2 10.7 13.6 14.4 18.0 22.7 21.8 19.3 12.8 9.8 3.0 13.4 1991 5.5 10.6 8.2 10.9 13.0 16.3 22.1 21.1 19.8 13.8 10.3 6.9 13.2 1992 8.7 10.7 12.5 14.0 17.8 19.9 21.9 22.0 18.3 14.2 9.2 5.3 14.5 1993 3.6 5.4 11.3 11.6 16.0 17.2 18.4 20.5 18.4 14.7 6.2 6.0 12.5 1994 7.9 7.3 11.1 13.1 16.9 17.8 23.1 21.6 20.1 13.8 7.2 7.5 14.0 1995 8.4 10.2 10.1 11.4 16.3 18.4 23.5 21.6 20.8 14.8 13.7 9.3 14.9 1996 6.8 7.3 11.0 13.2 14.3 18.1 23.4 22.6 17.1 12.8 8.9 7.3 13.6 1997 6.8 7.6 10.2 12.0 18.4 18.0 21.1 22.0 18.5 12.1 10.4 5.4 13.6 1998 8.4 8.7 9.7 11.8 13.1 17.4 22.1 21.8 19.2 12.5 10.0 5.7 13.4 1999 7.0 7.7 8.1 11.3 13.2 17.1 19.9 20.6 18.5 13.3 11.1 6.2 12.9 2000 5.6 8.4 9.2 12.9 14.9 19.3 20.4 20.1 18.2 13.2 7.2 6.8 13.0 2001 6.6 6.9 9.9 10.8 16.5 17.2 20.6 20.8 18.4 12.4 9.5 6.0 13.0 2002 6.0 7.4 7.6 11.5 13.7 18.1 22.0 20.9 18.1 11.9 8.6 7.3 12.8 2003 8.4 6.9 10.6 10.3 14.7 19.3 23.0 21.5 18.7 14.3 7.3 6.8 13.5 2004 6.3 7.5 11.1 13.0 15.4 18.6 22.6 22.1 16.6 13.0 8.0 6.5 13.4 2005 6.4 6.2 11.0 11.6 15.3 16.5 21.9 22.0 17.2 13.7 6.7 5.0 12.8 2006 7.5 6.5 8.0 11.8 15.4 18.9 22.1 20.5 18.2 11.8 8.8 5.5 12.9 2007 4.1 7.4 11.0 11.5 14.7 17.4 21.8 20.5 17.0 11.6 7.1 5.7 12.5 2008 3.6 6.9 7.2 9.2 14.9 16.4 21.2 20.5 17.7 12.1 9.8 4.6 12.0 2009 4.8 6.4 7.4 10.8 15.5 18.0 22.6 20.6 18.0 12.1 8.2 3.1 12.3 2010 8.4 8.8 8.6 10.1 12.6 16.1 20.6 19.9 17.6 12.5 8.2 6.8 12.5 Average 6.2 7.6 9.9 11.9 14.9 17.8 21.3 21.1 18.0 13.2 8.6 5.9 13.1 % SD 31 23 18 15 10 8 7 6 7 10 22 33 8 Values in average daily Degrees Celsius * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.