My son did his undergrad work down there, I think he got his fill of fog, marine layers and wind. Beautiful place to visit, but not a delight 365 days a year. For a few days of bike riding, hard to beat if the weather cooperates. When inland CA heats up, we head to Monterey.
We've done the Santa Cruz/Moss Beach brevet (in part) ... but the winds, traffic, climbing was more stress than we anticipated -- we'll leave that to those hardcore
SC Randonneurs. Nice route maps on their website: http://www.santacruzrandonneurs.org/routes.html