Historical weather data, all-time temperature records, and monthly climate averages for Rochester, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th sits right in Rochester's meteorological sweet spot of uncertainty — the average high is 50° but this date has swung from a balmy 83° in 1974 to a bitter 14° in 1954. With a 62% chance of precipitation and a 30% chance of snow, today is quintessentially Rochester: bring layers and low expectations.
Rochester's weather has real teeth — a 102° scorcher in July 1936 and a -22° nightmare in February 1934 give this city a 124-degree range of all-time temperatures. The snowiest single day on record dropped 23 inches on January 3, 1996, a reminder that Lake Ontario doesn't mess around.
Summer is your best bet for warmth, with late July averaging a comfortable 83° high, while mid-January bottoms out at a frigid 31°. If you're trying to dodge rain, avoid spring — the week of April 2–8 is statistically the wettest of the year, averaging 0.81 inches. Fall offers the cleanest shoulder season, with pleasant highs in the 60s through October before the cold sets in fast.