NYSDEC classifies it as Class B — swimming and contact recreation and Class C — fishing, managed as Trout spawning waters and Trout waters — that is the season and creel row to look up. Irondequoit Creek averages 69.5 °F in July across 1 gauged stretch, so the middle of summer is a morning-and-evening proposition rather than a bad month.
There is no hatch record for New York in this dataset, so this page does not guess at one. The season and the water temperature are below.
New York publishes no season on this reach in the file this site reads. NYSDEC classifies it as Class B — swimming and contact recreation, Class C — fishing, managed as Trout spawning waters, Trout waters, and that is the row to look up in the digest — the season and creel rules follow the classification rather than the river. What the state designates on this water → New York regulations →
July is the warmest month and the one this site measures: 1 gauged stretch average 69.5 °F . Everything either side of July is colder than that.
Irondequoit Creek — live water temperature, regulations and access