Final answer:
The driest, sunniest conditions can be found at 30 degrees north and south latitude, known as the Tropics of Cancer and Capricorn.
Step-by-step explanation:
The driest, sunniest conditions are typically found at 30 degrees north and south latitude. These latitudes are known as the Tropics of Cancer and Capricorn, which are centered on the equator.
Subtropical deserts exist in these regions and receive very little rainfall, resulting in dry and sunny conditions.