The climate changes daily and yearly because the sun's got daily and yearly cycles. But the sun's got 100 or so years cycles, too. So the climate changes slightly over those periods, too. Period.
"Climate" typically refers to mean weather over decadal periods .. weather cycles such as El Niño | La Niña collectively make up a longer term climate condition that's been stable on average for thousands of years.
>> The climate changes daily . . .
Perhaps you're thinking of "weather".