HAPPY VALLEY, OREGON WEATHER: DECEMBER 2021
TEMPERATURES Overall, Temperatures averaged slightly below Normal for December 2021. The month began quite mild, with the warmest day of the month being on the 1st (61.1°/49.4°) but quickly cooled as Maximum Temperatures remained ≤50° from the 3rd-17th (except for 52.6° on the 7th). The 18th saw 51.0° but every day following remained ≤50° through month’s end. The coldest weather waited until the last week beginning on Christmas Day as all Maximums remained ≤40° through the 31st, including a sub-freezing…