HAPPY VALLEY, OREGON WEATHER: MAY 2021
TEMPERATURES May 2021 averaged very close to normal for this area but the warmest Maximum Temperatures waited until the final 3 days when the 80s were reached each day, bringing the monthly Average Maximum Temperature from just below normal to a bit above normal. Until these final 3 days, just one day in the month had reached 80° (81.3° on the 16th), this value occurring during the month’s longest stretch of warm weather when Maximums remained ≥70° from the 11th-16th….