Rensselaer, MO has a moderate climate with warm summers and cold winters. Summers are typically hot and humid, with temperatures regularly reaching the mid to upper 80s during the day and dropping into the lower 70s at night. Winters are cold with average temperatures ranging from the mid 20s to low 30s. Snowfall is common in winter months, especially in January and February. Precipitation is spread throughout the year but slightly more likely to occur in spring and summer months.
Rensselaer, Missouri gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rensselaer averages 12 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 195 sunny days per year in Rensselaer. The US average is 205 sunny days.
Rensselaer gets some kind of precipitation, on average, 103 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 87 degrees
Winter Low: the January low is 19
Rain: averages 39 inches of rain a year
Snow: averages 12 inches of snow a year