Holl Name Meaning. German and Dutch: topographic name from Middle High German, Middle Low German hol âhollowâ, âholeâ.German: from a short form of Hold.German (Hoell): hÃ¶ll variant Of helle, 2 found chiefly In. bavariahe information for this chart came from the U.S. Immigration Collection at Ancestry. You can find out where the majority of the Holl families were living before they immigrated to the U.S and learn where to focus your search for foreign records.
Middletown, CA Weather. The average temperature of Middletown is 59.18Â°F, which is lower than the California average temperature of 61.17Â°F and is higher than the national average temperature of 54.45Â°F. Historical Weather.
CLIMATE OVERVIEW. Walnut Creek, California, gets 23 inches of rain per year. The US average is 39. Snowfall is 0 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 41. On average, there are 262 sunny days per year in Walnut Creek, California. The July high is around 86 degrees. The January low is 40. Sperling's comfort index for Walnut Creek is a 84 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54.