Happy Valley, Oregon Weather

TEMPERATURES It was a very mild month as temperatures were consistently above normal (22 total days averaged above normal at the Portland Airport, with all but 2 such days after December 10th). The middle of the month was the warmest. Splitting the month into thirds the following Max/Min/Mean Temperatures were observed: 1st-10th 43.6°/35.8°/39.7°; 11th-20th 52.6°/42.5°/47.6°; 21st-31st 45.6°/39.0°/42.3°. As is typical for this area in December, due to the more regular cloud cover, the diurnal range was quite low, averaging only…

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TEMPERATURES This October was dominated by mild maximum temperatures in the middle of the month during an amazingly dry period. From the 10th-24th, skies were clear nearly every day, allowing for maximum sunshine as the mean maximum temperatures averaged 66.7°, even warmer when counting the shorter period 15th-18th when it averaged 72.1°. Minimum temperatures were rather mild also but not for as long as the maxima were due to the clear, dry nights causing temperatures to drop well into the…

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TEMPERATURES It was a fairly warm start to the month as maximum temperatures reached above 70° through the first 10 days, with 4 of those days being ≥80°, and one peaking at 90°, the only such occurrence this month. From the 11th-24th, Maximums didn’t vary much at all, hovering in the mid 60s to low 70s each day, until a brief warm-up from the 25th-28th saw readings around 80°, cooling to the mid-to-upper 60s on the final two days of…

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