Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 14°F | 44°F | 28°F | 13.0" |
February | 18°F | 46°F | 31°F | 0.6" |
March | 24°F | 53°F | 38°F | 1.5" |
April | 28°F | 59°F | 43°F | 1.5" |
May | 35°F | 66°F | 51°F | 1.8" |
June | 43°F | 77°F | 61°F | 7.0" |
July | 47°F | 83°F | 67°F | 1.6" |
August | 46°F | 82°F | 65°F | 0.7" |
September | 40°F | 76°F | 59°F | 1.1" |
October | 30°F | 65°F | 47°F | 4.7" |
November | 22°F | 54°F | 36°F | 4.9" |
December | 15°F | 45°F | 29°F | 4.1" |
Index | Yosemite Valley | California | National |
Air quality index | 39 | 55 | 42 |
Pollution index | 1,108,380 | 10,473,190 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 331 |
Days with moderate air quality | 33 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.000% |
Lead | 0.010% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
El Portal, CA | 271 | 39 | 22.0% |
Wawona, CA | 166 | 50 | = 100 |
Yosemite Valley, CA | 1,213 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Fairacres, NM | 1,213 | 51 | 2.0% |
Great Neck Gardens, NY | 1,213 | 51 | 2.0% |
Hallstead, PA | 1,213 | 38 | 24.0% |
Pleak, TX | 1,213 | 52 | 4.0% |
Saint-Jude, QC | 1,213 | n/a | |
Yosemite Valley, CA | 1,213 | 39 | 22.0% |