Merwin, MO enjoys a temperate climate with four distinct seasons. In the summer months, temperatures usually reach high 80s and low 90s during the day, and cool to the mid-60s in the evening. Spring and fall bring mild temperatures with highs in the mid-70s and lows in the mid-50s. Winters are cold with temperatures averaging in the 30s during the day, dropping into single digits overnight. Precipitation is evenly distributed throughout all seasons, giving Merwin an average of about 45 inches of rain per year.
Merwin, Missouri gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Merwin averages 10 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 212 sunny days per year in Merwin. The US average is 205 sunny days.
Merwin gets some kind of precipitation, on average, 89 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 89 degrees
Winter Low: the January low is 19
Rain: averages 43 inches of rain a year
Snow: averages 10 inches of snow a year