Historical weather data, all-time temperature records, and monthly climate averages for Syracuse, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Syracuse is a coin flip — there's a 62% chance of precipitation, and snow is still on the table at 20%. The date has seen wild swings over 87 years, from a balmy 78° in 1950 to a brutal 10° low in 1954, so don't put that winter coat away just yet.
Syracuse plays for keeps: the city has swung from -26° in January 1966 to 101° in July 2011, a 127-degree range that tells you everything about Central New York's temperament. That snowiest day of 24.2 inches on December 30, 2025 is also a reminder that Syracuse doesn't ease into winter — it slams the door.
Summer is the sweet spot, with average highs peaking around 83° the week of July 16–22 and the wettest stretch arriving right on its heels in late July. Winter is long and serious — average highs stay at or below freezing from December through February, bottoming out at 30° in mid-January. If you're planning a visit, May through September is your window.