Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 36°F | 58°F | 47°F | 3.8" |
February | 39°F | 62°F | 50°F | 3.4" |
March | 41°F | 66°F | 52°F | 3.0" |
April | 42°F | 69°F | 55°F | 1.6" |
May | 46°F | 74°F | 59°F | 0.5" |
June | 50°F | 80°F | 64°F | 0.3" |
July | 53°F | 81°F | 65°F | 0.0" |
August | 53°F | 80°F | 64°F | 0.0" |
September | 49°F | 82°F | 64°F | 0.1" |
October | 45°F | 76°F | 59°F | 1.3" |
November | 40°F | 66°F | 52°F | 1.8" |
December | 36°F | 58°F | 47°F | 3.8" |
Index | San Rafael | California | National |
Air quality index | 40 | 55 | 42 |
Pollution index | 8,232,360 | 10,473,190 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 290 |
Days with moderate air quality | 74 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.060% |
Carbon Tetrachloride | 0.000% |
Lead | 0.010% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
San Francisco, CA | 874,784 | 40 | 20.0% |
Corte Madera, CA | 9,793 | 40 | 20.0% |
Mill Valley, CA | 14,456 | 40 | 20.0% |
Strawberry, CA | 5,325 | 40 | 20.0% |
American Canyon, CA | 20,256 | 40 | 20.0% |
San Rafael, CA | 59,178 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Fountainebleau, FL | 59,174 | 41 | 18.0% |
St. Clair Shores, MI | 59,184 | 56 | 12.0% |
Brookline, MA | 59,223 | 43 | 14.0% |
Bartlett, TN | 59,252 | 45 | 10.0% |
Royal Oak, MI | 59,256 | 56 | 12.0% |
San Rafael, CA | 59,178 | 40 | 20.0% |