The climate in Callao, MO (63534) is generally mild and humid. Summers tend to be warm and humid with temperatures typically reaching the high 80s or low 90s, while winters are generally cold with temperatures usually dipping into the mid 20s or lower. The area gets an average of roughly 45 inches of rain each year, resulting in a lush green landscape during the warmer months and lovely snowscapes during wintertime.
Callao (zip 63534), Missouri gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Callao (zip 63534) averages 15 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 Callao (zip 63534). The US average is 205 sunny days.
Callao (zip 63534) gets some kind of precipitation, on average, 104 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 17
Rain: averages 42 inches of rain a year
Snow: averages 15 inches of snow a year