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Yearly Normals for Yountville, CA

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 35 59 47 7.74 551 0 Feb 38 63 51 7.85 406 0 Mar 40 67 53 5.98 369 4 Apr 42 72 57 2.22 270 15 May 46 79 63 0.95 129 51 Jun 50 87 69 0.22 26 130 Jul 53 92 72 0.1 2 224 Aug 53 91 72 0.11 1 210 Sep 51 87 69 0.46 18 138 Oct 46 80 63 1.96 116 45 Nov 39 66 53 5.13 372 2 Dec 35 59 47 5.79 551 0 Year 44 75 60 38.51 2811 819 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather