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The temperatures in Ithaca in May are quite cold with temperatures between 8°C and 19°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Ithaca. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Ithaca can expect a few days of snow in May.
Our weather forecast can give you a great sense of what weather to expect in Ithaca in May 2025.
If you’re planning to visit Ithaca in the near future, we highly recommend that you review the 14 day weather forecast for Ithaca before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -9° | 5 | 5 | 22 | 99 mm | Awful | Ithaca in January |
| February | -1° / -8° | 5 | 4 | 21 | 112 mm | Awful | Ithaca in February |
| March | 4° / -4° | 8 | 8 | 15 | 116 mm | Awful | Ithaca in March |
| April | 11° / 2° | 11 | 12 | 8 | 147 mm | Awful | Ithaca in April |
| May | 19° / 8° | 10 | 21 | 1 | 162 mm | Ok | Ithaca in May |
| June | 23° / 12° | 9 | 21 | 0 | 184 mm | Good | Ithaca in June |
| July | 26° / 14° | 10 | 21 | 0 | 171 mm | Good | Ithaca in July |
| August | 25° / 14° | 8 | 23 | 0 | 163 mm | Good | Ithaca in August |
| September | 21° / 10° | 7 | 23 | 0 | 148 mm | Ok | Ithaca in September |
| October | 14° / 6° | 9 | 20 | 2 | 133 mm | Bad | Ithaca in October |
| November | 7° / -1° | 8 | 12 | 10 | 93 mm | Awful | Ithaca in November |
| December | 1° / -4° | 6 | 7 | 18 | 114 mm | Awful | Ithaca in December |