Ithaca weather by month
Average highs run from 31°F in January to 80°F in July, and January nights average 15°F. It gets 38 inches of rain and melted snow a year and 63 inches of snow. Nights drop below freezing about 148 times a year. The most comfortable months are May to September.
Best time to visit Ithaca
For comfortable weather, go in May to September. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 31°F | 15°F | 2.2 in | 16.6 in | 6 | 0 | 28 | very cold |
| February | 33°F | 15°F | 2.0 in | 14.5 in | 5 | 0 | 26 | very cold |
| March | 41°F | 22°F | 2.8 in | 12.0 in | 7 | 0 | 25 | cold |
| April | 55°F | 33°F | 3.4 in | 2.8 in | 8 | 0 | 14 | cool |
| May | 67°F | 44°F | 3.2 in | 0.0 in | 8 | 0 | 3 | mild |
| June | 76°F | 53°F | 4.0 in | 0.0 in | 8 | 1 | 0 | mild |
| July | 80°F | 58°F | 3.9 in | 0.0 in | 8 | 2 | 0 | warm |
| August | 79°F | 56°F | 3.8 in | 0.0 in | 7 | 1 | 0 | warm |
| September | 72°F | 49°F | 3.8 in | 0.0 in | 7 | 0 | 1 | mild |
| October | 59°F | 39°F | 3.7 in | 0.2 in | 8 | 0 | 7 | cool |
| November | 47°F | 30°F | 2.9 in | 4.6 in | 6 | 0 | 18 | cold |
| December | 36°F | 22°F | 2.6 in | 12.2 in | 6 | 0 | 26 | cold |
| Year | 56°F avg | 36°F avg | 38.3 in | 62.9 in | 85 | 5 | 148 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Ithaca Cornell University, NY (USC00304174), 1.8 miles from the city center. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Ithaca
The shortest day is December 21, with 9h 03m of daylight; the longest is June 21, with 15h 17m. The earliest sunset comes around December 5 (4:32 pm) and the latest around June 20 (8:46 pm). The sun sets after 8 pm on 116 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:32 am | 4:58 pm | 9h 25m |
| February | 7:02 am | 5:37 pm | 10h 35m |
| March | 7:17 am | 7:12 pm | 11h 54m |
| April | 6:25 am | 7:47 pm | 13h 23m |
| May | 5:44 am | 8:20 pm | 14h 36m |
| June | 5:28 am | 8:44 pm | 15h 16m |
| July | 5:42 am | 8:40 pm | 14h 58m |
| August | 6:13 am | 8:06 pm | 13h 53m |
| September | 6:46 am | 7:15 pm | 12h 29m |
| October | 7:19 am | 6:23 pm | 11h 04m |
| November | 6:57 am | 4:43 pm | 9h 46m |
| December | 7:28 am | 4:33 pm | 9h 05m |
Calculated for 2026 at the center of Ithaca with NOAA's solar equations, in local clock time (Eastern Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Ithaca getting warmer?
The last 10 years averaged 1.9°F warmer than the 20th century. See the climate stripes for Ithaca.Frequently asked questions
What is the warmest month in Ithaca?
July is the warmest month, with an average high of 80°F and an average low of 58°F (NOAA 1991-2020 normals).
What is the coldest month in Ithaca?
January is the coldest, with average lows of 15°F and highs of 31°F.
What is the rainiest month in Ithaca?
June gets the most precipitation, 4.0 inches on average. February is the driest at 2.0 inches.
Does it snow in Ithaca?
Yes. Ithaca averages 63 inches of snow a year.
When is the best time to visit Ithaca?
For comfortable weather, May to September. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Ithaca?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Ithaca profile.
Compare the weather: Ithaca vs Syracuse, Ithaca vs Rochester, Ithaca vs Scranton, Ithaca vs Buffalo.