Ukiah Weather & Climate

United States of America

Ukiah sees feels-like daytime highs peak around 35.7°C in August and nighttime lows bottom out near 4.1°C in December. December is the wettest month (~176 mm), while July is the driest (~2 mm). For sunshine, August leads with about 89% clear skies.

Best time to visit Ukiah

Based on mild feels-like temperatures and low rain chances, the most comfortable months are May, June, and September — expect around 12.127.6°C with roughly 11% chance of rain on a given day in May.

Ukiah climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January4.3° / 14.5°35%170 mm37%7.9 kph
February5.6° / 16.6°33%161 mm37%8.1 kph
March7° / 19.3°30%130 mm41%8.4 kph
April8.8° / 23°20%60 mm50%8.6 kph
May12.1° / 27.6°11%28 mm61%8.9 kph
June15.3° / 31.7°4%10 mm76%8.9 kph
July16.8° / 35.5°1%2 mm88%8.1 kph
August16.7° / 35.7°1%2 mm89%7.5 kph
September14.5° / 32.5°5%11 mm83%7.3 kph
October10.5° / 26°14%49 mm67%7.5 kph
November6.4° / 17.4°27%119 mm46%7.7 kph
December4.1° / 13.4°35%176 mm39%8 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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