Olathe is a city of approximately 1,800 people in Colorado, United States. Located in the Mountain Time Zone at 38.6°N latitude.
In 2025, Olathe averaged an annual temperature of 53°F, with hottest temperatures reaching 102°F in July and lowest around 4°F in January. The city received approximately 10 inches of precipitation during the year.
View historical weather for Olathe · More cities in Colorado