The answer to this question will practically depend on your tastes and preferences.
With such a beautiful destination, any time of year can be a good option to visit. However, everything will depend on you.
The favorite season for tourists is between the months of October to the end of May, which is practically the high season of the destination and there are several reasons why this happens that we will see later.
However, although the low season is in the months of June to September, there are many people who prefer this time to visit Los Cabos because, although it is summer, the destination is not completely full of tourists.