May 1940
San Francisco, CA
Average Temp
58.0°F
Record High
75.9°F
Record Low
50.0°F
Days Recorded
31 / 31
Historical May Records
Warmest May
1992 - 62.7°F
Coldest May
1964 - 53.3°F
Daily Temperature Range
High
Low
Average
Click any day to view hourly details
Daily Details
Data source: NOAA