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January Normals for Ahtanum, WA

< December February > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 18 32 25 0.04 40 0 2 18 32 25 0.04 40 0 3 18 32 25 0.04 40 0 4 18 32 25 0.04 40 0 5 18 32 25 0.04 40 0 6 18 32 25 0.04 40 0 7 18 32 25 0.04 40 0 8 18 32 25 0.04 40 0 9 18 33 25 0.04 40 0 10 18 33 25 0.04 40 0 11 18 33 25 0.04 40 0 12 18 33 26 0.04 40 0 13 18 33 26 0.04 39 0 14 18 33 26 0.04 39 0 15 18 33 26 0.04 39 0 16 18 33 26 0.04 39 0 17 18 34 26 0.04 39 0 18 18 34 26 0.04 39 0 19 19 34 26 0.04 39 0 20 19 34 26 0.04 39 0 21 19 34 27 0.04 38 0 22 19 34 27 0.04 38 0 23 19 35 27 0.04 38 0 24 19 35 27 0.04 38 0 25 19 35 27 0.04 38 0 26 20 35 27 0.04 38 0 27 20 36 28 0.04 37 0 28 20 36 28 0.04 37 0 29 20 36 28 0.04 37 0 30 20 36 28 0.04 37 0 31 20 37 29 0.03 36 0 Month 19 34 26 1.23 1204 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