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.
Graph of average and extreme temperature ranges by day for Fresno, CA. The warmest month in Fresno Yosemite International, Fresno, California is July with an average high temperature of 99.1Â°F. The hottest day on record was July 26 2006 when the temperature hit 113.0Â°F. During December the overnight temperature drops to an average of 37.5Â°F with the lowest temperature of 18.0Â°F being recorded on December 24 1990.