July in Monument is the rainiest, the cloudiest, and the warmest month of the year. In July, the weather in Monument is typically warm. Average daily high temperature in July is about 23 degrees above zero. On average, Monument has 18 rainy, 6 sunny, 6 partly cloudy, and 1 cloudy day in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Monument.