The Climate of Ithaca, NY



The following monthly normals are averages for the period 1981-2010. Normals are updated every 10 years.

Analysis Jan Feb Mar Apr May Jun JulAug Sep Oct Nov Dec Annual
Maximum Temperature (° F) 31.3 34.0 42.0 55.5 67.4 76.0 79.9 78.6 71.1 59.0 47.5 35.8 56.5
Minimum Temperature (° F) 15.4 16.5 23.1 33.9 43.5 53.3 57.7 56.3 49.0 38.3 31.7 21.5 36.7
Average Temperature (° F) 22.3 25.3 32.6 44.7 55.4 64.6 68.8 67.4 60.0 48.7 39.6 28.7 46.6
HDD (base 65) 1291 1113 1006 612 317 96 30 44 187 510 762 1127 7095
CDD (base 65) 0 0 0 3 20 85 148 120 38 3 0 0 417
Precipitation (inches) 2.08 1.98 2.64 3.29 3.19 3.99 3.83 3.63 3.69 3.42 3.16 2.40 37.30
Snowfall (inches) 17.6 14.2 11.7 3.4 0.0 0.0 0.0 0.0 0.0 0.4 4.5 12.6 64.4

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Updated August 5, 2014

Northeast Regional Climate Center