As we move from the equator towards the poles, the daily range of temperature tends to decrease. This is because the equator receives direct sunlight and is closer to the Sun, resulting in higher temperatures. In contrast, the poles receive less direct sunlight and are further away from the Sun, causing lower temperatures.

The daily range of temperature refers to the difference between the maximum and minimum temperatures observed in a day. At the equator, where the Sun is directly overhead, the maximum temperature tends to be higher, while the minimum temperature remains relatively constant due to the consistent amount of heat received. As we move towards the poles, the angle of the sunlight decreases, resulting in lower maximum temperatures.

Furthermore, the poles experience longer nights during certain times of the year, causing the minimum temperature to drop even further. This difference between the maximum and minimum temperatures becomes smaller as we move towards the poles, leading to a decrease in the daily temperature range.