Typically in more than 8 days , Redwood City California experiences temperatures below 2 °C .
Annually , there are an average of 21.6 days with highs of 90 °F ( 32 °C ) or higher and 2.8 days with highs of 100 °F ( 38 °C ) or higher ; there are an average of 2.3 days with lows of 32 °F ( 0 °C ) or lower .