Ithaca NY Average Temperatures By Month - Current Results

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The numbers here tell you how hot and cold the weather usually is in Ithaca, New York during each month of the year.

The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 60, 70 or 80 °F each month in Ithaca, scroll down farther. There are also monthly and yearly counts of days with cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.

10-year temperature averages for Ithaca, 2010 to 2019
High °F Low °F High °C Low °C
31 14 January -1 -10
33 16 February 1 -9
41 22 March 5 -5
55 33 April 13 1
69 47 May 21 8
76 54 June 24 12
82 59 July 28 15
79 57 August 26 14
73 50 September 23 10
60 41 October 16 5
46 30 November 8 -1
37 24 December 3 -5
57 37 Year 14 3
30-year temperature averages for Ithaca, 1991 to 2020
High °F Low °F High °C Low °C
31 15 January -1 -10
33 15 February 1 -9
41 22 March 5 -6
55 33 April 13 0
67 44 May 20 7
76 53 June 24 12
80 58 July 27 14
79 56 August 26 14
72 49 September 22 9
59 39 October 15 4
47 30 November 8 -1
36 22 December 2 -6
56 36 Year 13 2

Days of Hot Weather in Ithaca

Hot weather at Ithaca usually means highs in the 80s Fahrenheit. The city averages just five days a summer with temperatures peaking in the 90s F (over 32 °C).

Days per month in Ithaca of at least 60, 70 or 80 °F
60 °F16 °C 70 °F21 °C 80 °F27 °C
January 0 0 0
February 1 0 0
March 3 1 0
April 10 4 1
May 24 14 5
June 29 24 11
July 31 29 17
August 31 29 15
September 28 19 6
October 15 6 1
November 5 1 0
December 1 0 0
Year 178 125 55

How Often Ithaca Has Cold Temperatures

On the coldest winter nights at Ithaca, the thermometer drops to 0 °F (-18 °C) or even lower. On average, ten nights a year, scattered from December to March, get that cold.

Ithaca also averag51 days a year when the daytime temperature stays below freezing. Crisp days can arrive here anytime from November to April.

Days per month on average in Ithaca when the minimum temperature drops to 10, 20, or 32 °F or below
10 °F-12 °C 20 °F-8 °C 32 °F0 °C
January 11 20 28
February 9 17 26
March 4 12 25
April 0 1 14
May 0 0 3
June 0 0 0
July 0 0 0
August 0 0 0
September 0 0 1
October 0 0 7
November 0 4 18
December 4 12 26
Year 28 65 148

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