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January Normals for Clayton, CA

< December February > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 38 53 45 0.11 20 0 2 38 53 45 0.12 20 0 3 38 53 45 0.12 20 0 4 38 52 45 0.12 20 0 5 38 53 45 0.12 20 0 6 38 53 45 0.12 20 0 7 38 53 45 0.13 20 0 8 38 53 45 0.13 20 0 9 38 53 46 0.13 20 0 10 38 53 46 0.13 19 0 11 38 53 46 0.13 19 0 12 38 53 46 0.14 19 0 13 38 53 46 0.14 19 0 14 39 53 46 0.14 19 0 15 39 53 46 0.14 19 0 16 39 53 46 0.14 19 0 17 39 53 46 0.14 19 0 18 39 53 46 0.14 19 0 19 39 54 46 0.14 19 0 20 39 54 47 0.14 19 0 21 39 54 47 0.14 18 0 22 39 54 47 0.15 18 0 23 39 54 47 0.15 18 0 24 39 54 47 0.15 18 0 25 40 55 47 0.15 18 0 26 40 55 47 0.15 18 0 27 40 55 48 0.15 17 0 28 40 55 48 0.15 17 0 29 40 56 48 0.15 17 0 30 40 56 48 0.15 17 0 31 40 56 48 0.14 17 0 Month 39 54 46 4.25 582 0 Data Controls Monthly: January February March April May June July August September October November December   | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather