This Temecula weather report for January 2022 will show you what the weather will be like this month and beyond. You can expect average rainfall of 0.7 inches per day, average snowfall of 0.5 inches per month, and temperatures ranging from 73.4 to 53.1 degrees Fahrenheit. The shortest day of the month is January 1, and the longest day is January 31 at 10 hours, 34 minutes. The average daily temperature is...