20 Places With Weather Like South San Francisco

With highs from 58°F (15°C) to 74°F (24°C) and 23 in (585 mm) of rain a year, South San Francisco, California has mild summers and mild winters. We compared its monthly highs, lows, rain, humidity and sunshine with every city of 25,000+ people, lining up seasons across hemispheres. Viña del Mar, Chile comes out on top at 84%; they span 6 countries.