Rensselaer County Climate
Rensselaer County, New York
Avg Annual Temp
48.5°F
Annual Precip
45.1"
Annual Snowfall
52.7"
Extreme Heat Days
6.8999999999999995
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Rensselaer County Weather
Warmer and Wetter than the Median
Rensselaer County has an annual average temperature of 48.5°F, which is cooler than the national median but follows a humid continental pattern. Its 45.1 inches of annual precipitation is significantly higher than the national average.
A Warm Spot in Upstate New York
The county's 48.5°F average temperature makes it warmer than the New York state average of 47.4°F. It also receives more annual precipitation than the state average of 43.3 inches.
Leading the Region in Precipitation
With 45.1 inches of precipitation, Rensselaer is wetter than neighboring Schenectady's 42.6 inches. Its annual snowfall of 52.7 inches is slightly lower than Saratoga County to the north.
Predictable Summers and Snowy Winters
Summer averages a pleasant 69.6°F, though July temperatures typically reach 71.7°F. Winters are cold, averaging 26.5°F and producing 52.7 inches of snow annually.
Equipping for Seven Heat Days
Residents should plan for 7 days of extreme heat exceeding 90°F each year. Robust heating systems are essential to handle January averages of 23.9°F and regular snow accumulation.
Frequently Asked Questions
What is the average temperature in Rensselaer County?
How much rain does Rensselaer County get?
Does it snow in Rensselaer County?
How hot does Rensselaer County get in summer?
How cold are winters in Rensselaer County?
Track your own weather in Rensselaer County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.