Selection is useful as a pollinizer for early. to mid-season blooming varieties, though. care must be taken to avoid biennial. bearing, which reduces effectiveness as a. pollen source. Tree is medium in vigor, precocious, with moderate resistance to. fire blight.
Yosemite Valley, CA Weather. The average temperature of Yosemite Valley is 52.15Â°F, which is much lower than the California average temperature of 61.17Â°F and is lower than the national average temperature of 54.45Â°F. Historical Weather. Heating Cost Index, #1647.
1 The highest recorded temperature at Yosemite was 109Â° F in 1977. 2  The lowest was -7Â°F in 2009. 3  Snowfall varies by elevation, with an average of more than 8 feet at Tioga Pass. The highest recorded temperature at Yosemite was 109Â° F in 1977. 2  The lowest was -7Â°F in 2009. 3  Snowfall varies by elevation, with an average of more than 8 feet at Tioga Pass.