Historical weather data, all-time temperature records, and monthly climate averages for Richmond Hill, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Richmond Hill lands right in the swing of spring, with average highs of 55° and lows of 40° across 77 years of data. The date has a wide range of personalities — it's hit 73° as recently as 2010 but dropped to a brutal 24° back in 1954. There's a 40% chance of rain today, though snow is essentially off the table.
Richmond Hill's weather history goes to some genuine extremes — from a scorching 104° on July 3, 1966 to a bone-chilling -2° on January 21, 1985, a swing of 106 degrees. On the wet side, September 29, 2023 delivered a staggering 8.05 inches of rain in a single day, and a January 2016 snowstorm buried the area under 30.3 inches.
Richmond Hill peaks in mid-July with average highs of 85°, then bottoms out in mid-January around 38° — a full 47-degree seasonal swing. The wettest stretch runs late July, so pack accordingly if you're visiting in summer. Spring and fall offer the most comfortable conditions, with April and October averaging a pleasant 59° and 65° respectively.