WEATHER in San Francisco
Weather in San Francisco. Temperature and Precipitation. October 2021.
Monthly mean temperature normal* for October: 61.8°F. Monthly mean temperature in this month: 59.6°F. Departure of temperature from normal: -3.0°F.
Precipitation normal* for October: 0.95 in. Precipitation total in this month: 2141.3 in. This amount is 225400% from normal.
The lowest minimum temperature (32°F) recorded on October, 10. The highest maximum temperature (87°F) recorded on October, 3.
* 1981-2010 Climate Normals.
Explanation of graph. The current minimum, average, maximum temperatures are plotted by solid lines, respectively, blue, green and red. Normal values are shown by solid thin lines. Highest maximum and lowest minimum for each day are bold points respectively red and blue.
Explanation of the daily and monthly records. The temperature records for each day identified as the lowest and the highest values for a number of daily data. For San Francisco daily records based on data from 1927. Monthly records values based on data from 1847 - air temperature, 1927 - precipitation.
Based on data of stations: San Francisco 10/1847 - 06/1945, San Francisco Intl Airport 07/1945 - present.
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