Peak score
8.7/10
Best months in Ithaca, United States
Best Time to Visit Ithaca, United States
Climate guide for Ithaca, United States — updated 2026
Travel window May, June, July, August, September Peak: September · 8.7/10 climate score
Months to avoid January, February, March, December
Ithaca on the map · best months to visit
Ithaca, United States
- Best monthsMay, June, July, August, September
- Avoid monthsJanuary, February, March, December
- Visit score now8/10
- Coordinates
- 42.44°, -76.50°
Quick answer
Plan your trip for May, June, July, August, September. Expect average highs near 25°C, lows near 16°C, and about 12 rainy days a month. Skip January, February, March, December when very cold temperatures, frequent rain sets in.
Warmest month
28°C
Coldest month
-5°C
Wettest month
15d
Travel score by month
Each score weighs temperature comfort, rain, humidity, and outdoor conditions. Higher is better.
1.1 Jan
1.3 Feb
1.5 Mar
4.3 Apr
7 May
8.4 Jun
7.3 Jul
8.4 Aug
8.7 Sep
6.5 Oct
2.9 Nov
1 Dec
Excellent (7–10) Mixed (5–6) Tough (0–4)
Month-by-Month Recommendation
Tap any month to open its full weather page. Cards highlight score, temperature, rain, and comfort.
January
1.1 /10
Poor
2°C / -5°C 13 rainy days Comfort Score: 1/10
February
1.3 /10
Poor
4°C / -5°C 12 rainy days Comfort Score: 1/10
March
1.5 /10
Poor
9°C / -1°C 13 rainy days Comfort Score: 1/10
April
4.3 /10
Fair
15°C / 5°C 15 rainy days Comfort Score: 4.5/10
May Best
7 /10
Great
21°C / 11°C 14 rainy days Comfort Score: 7.3/10
June Best
8.4 /10
Great
25°C / 16°C 12 rainy days Comfort Score: 10/10
July Best
7.3 /10
Great
28°C / 19°C 13 rainy days Comfort Score: 8.9/10
August Best
8.4 /10
Great
27°C / 19°C 12 rainy days Comfort Score: 10/10
September Best
8.7 /10
Excellent
24°C / 15°C 9 rainy days Comfort Score: 10/10
October
6.5 /10
Good
17°C / 10°C 12 rainy days Comfort Score: 7/10
November
2.9 /10
Poor
9°C / 3°C 14 rainy days Comfort Score: 2.5/10
December
1 /10
Poor
4°C / -2°C 15 rainy days Comfort Score: 1/10
Climate normals
Compare the monthly shape of temperature highs/lows and rainfall before locking in your dates.
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 2°C / -5°C . Feb: 4°C / -5°C . Mar: 9°C / -1°C . Apr: 15°C / 5°C . May: 21°C / 11°C . Jun: 25°C / 16°C . Jul: 28°C / 19°C . Aug: 27°C / 19°C . Sep: 24°C / 15°C . Oct: 17°C / 10°C . Nov: 9°C / 3°C . Dec: 4°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 83 mm. Feb: 82 mm. Mar: 85 mm. Apr: 114 mm. May: 103 mm. Jun: 98 mm. Jul: 107 mm. Aug: 105 mm. Sep: 88 mm. Oct: 118 mm. Nov: 86 mm. Dec: 93 mm.
Season by Season
Season cards explain why scores rise and fall, with a representative month picked for each.
Spring
Avg score 4.3/10Mar, Apr, May
Average highs of 15°C (59°F) with 14 rainy days per month. Climate score: 4.3/10.
This month falls at the beginning of Spring. Cold conditions dominate the month.
Weather conditions this month are among the best of the year, making it a popular time for outdoor activities.
Summer
Avg score 8/10Jun, Jul, Aug
Average highs of 27°C (81°F) with 12 rainy days per month. Climate score: 8/10.
This month falls at the beginning of Summer.
Weather conditions this month are among the best of the year, making it a popular time for outdoor activities.
Autumn
Avg score 6/10Sep, Oct, Nov
Average highs of 17°C (63°F) with 12 rainy days per month. Climate score: 6/10.
This month falls at the beginning of Autumn.
Weather conditions this month are among the best of the year, making it a popular time for outdoor activities.
Winter
Avg score 1.1/10Dec, Jan, Feb
Average highs of 3°C (37°F) with 13 rainy days per month. Climate score: 1.1/10.
This month falls at the middle of Winter. Cold conditions dominate the month.
Weather conditions this month are less ideal compared to other times of the year. Indoor activities or shorter outings may be more comfortable.
Frequently Asked Questions
The best months to visit Ithaca are May, June, July, August, September, when temperatures are comfortable and rainfall is low.
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Packing depends on the season. In peak months (May, June, July, August, September), light layers and sun protection are typical essentials.
Yes! May earns a climate score of 7/10 and is one of the best months to visit Ithaca. Warm conditions, with highs averaging 20.6°C (69°F). Rain falls on about 14 days this month.
Yes! June earns a climate score of 8.4/10 and is one of the best months to visit Ithaca. Warm conditions, with highs averaging 25.4°C (78°F). Rain falls on about 12 days this month.