The Climate of Ithaca, NY



The following monthly normals are averages for the period 1971-2000. Normals are updated every 10 years.

Analysis Jan Feb Mar Apr May Jun JulAug Sep Oct Nov Dec Annual
Maximum Temperature (° F) 31.2 33.2 42.3 54.5 67.3 75.7 80.1 78.7 70.9 59.4 47.2 36.1 56.4
Minimum Temperature (° F) 13.9 13.7 22.4 33.1 43.4 53.1 57.2 55.9 47.9 37.3 30.6 20.3 35.7
Average Temperature (° F) 22.6 23.5 32.4 43.8 55.4 64.4 68.7 67.3 59.4 48.4 38.9 28.2 46.1
HDD (base 65) 1316 1163 1012 637 311 80 16 30 178 516 783 1140 7182
CDD (base 65) 0 0 0 0 12 62 129 100 9 0 0 0 312
Precipitation (inches) 2.12 2.06 2.56 3.29 3.22 3.87 3.54 3.39 3.84 3.23 3.10 2.49 36.71
Snowfall (inches) 17.9 14.1 12.0 3.7 0.2 0.0 0.0 0.0 0.0 0.4 5.9 14.0 68.2

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Updated January 6, 2009

Northeast Regional Climate Center