Spring: Temperatures usually range from 50 F to 83 F. Rain is common. Summer: Temperatures usually range from 70 F to 95 F. Rain and sun are equally common. On very sunny days, be prepared with plenty of water - heat exhaustion is common if you are not prepared. Fall: Temperatures usually range from 55 F to 79 F. Winter: Temperatures range from 40 F to 63 F. Rain is common.