Which of the following can result from high humidity levels?

High humidity levels can lead to enhanced precipitation. When there is a significant amount of moisture in the air, it can contribute to the formation of clouds. As these clouds accumulate more moisture and become saturated, they eventually release this water in the form of precipitation, such as rain. This process occurs because the air can hold only a certain amount of moisture, and once that limit is reached, the excess moisture condenses into droplets that fall to the ground.

In contrast to this concept, other options hint at different atmospheric conditions where high humidity would not lead to such outcomes. For example, increased sunshine typically suggests clear skies with low humidity. Decreased cloud formation also conflicts with the nature of high humidity, as humid air tends to promote cloudiness, not diminish it. Lower temperatures can occur when humidity is high but are not a direct result; instead, humid air can actually feel warmer due to its effect on heat retention and human comfort. Thus, enhanced precipitation clearly aligns with the implications of high humidity levels.