Ithaca (NY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ithaca.
Climate overview of Ithaca
Temperatures in Ithaca, New York State, United States of America, vary greatly throughout the year. July is the hottest month at 28°C (82°F), while February is the coldest at 0°C (32°F).
With around 903 mm (36 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and January the driest. It also has warm summers and very cold winters. July is the sunniest month, averaging 9.6 hours of sunshine per day.
Ithaca Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ithaca - and find the best time to visit.
Monthly Temperature in Ithaca
The climate in Ithaca is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold 0°C (32°F) in the coolest month, February.
Nights vary from 15°C (59°F) in July to around -9°C (16°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ithaca
Generally, Ithaca receives mid-range precipitation levels, with 903 mm (36 in) annually. The climate in Ithaca shows significant variation throughout the year. Expect moderate rainfall in June, the wettest month, with an average of 99 mm (3.9 in) of precipitation over 15 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 45 mm (1.8 in) of snowfall over 16 snowy days. For more details, please visit our Ithaca Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Ithaca
For those who appreciate different seasons, Ithaca serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.6 hours of sunshine daily, and embrace the darker days in December, offering only 2.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Ithaca by Month
The relative humidity is high throughout the year in Ithaca.
The city experiences its highest humidity in October, reaching 75%. In April, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Ithaca
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: February, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Ithaca
What is the best time to visit Ithaca?
May, June, July, August and September typically offer the most optimal weather in Ithaca. In contrast, January, February, March, November and December tend to have less optimal conditions. Ithaca has warm summers and very cold winters.
What temperatures can I expect in Ithaca?
Daytime highs range from 0°C (32°F) in February to 28°C (82°F) in July. Nighttime lows range from -9°C (16°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Ithaca get?
Annual rainfall is around 903 mm (36 in). June is the wettest month with 99 mm (3.9 in), while January is the driest with 45 mm (1.8 in).
How sunny is Ithaca?
Ithaca receives around 2,120 hours of sunshine per year. July is the sunniest month with 287 hours, while December is the cloudiest with just 68 hours. Overall, Ithaca enjoys abundant sunshine.
Ithaca 3-Day Forecast
Ithaca (NY) 3-Day Forecast
Ithaca on the map
Ithaca is highlighted - select any city to see its climate.
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