Ukiah (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ukiah.
Climate overview of Ukiah
Ukiah, California, United States of America, sees big temperature differences between seasons, with July peaking at 34°C (93°F) and December dropping to 13°C (55°F).
Annual rain/snowfall is moderate at around 844 mm (33 in), with December being the wettest month. The city also has a distinct dry season from May to September, with very warm summers and mild winters. The sunniest month is May, with 10.3 hours of sunshine per day on average.
Ukiah Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ukiah - and find the best time to visit.
Monthly Temperature in Ukiah
Visitors to Ukiah can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 34°C (93°F) in July. In December, the coolest month of the year, temperatures drop to a moderate 13°C (55°F).
At night, temperatures range from around 13°C (55°F) in July to 2°C (36°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ukiah
Generally, Ukiah experiences moderate precipitation patterns, averaging 844 mm (33 in) yearly. Ukiah can be quite wet during December, receiving approximately 180 mm (7.1 in) of precipitation over 15 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 0.1 mm (0 in) of precipitation spread across 0 rainy days. For more details, please visit our Ukiah Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Ukiah
Ukiah can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Best Time to Visit Ukiah
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, June and October
- Warmest weather: July and August
- Most sunshine: April, May, June and July
- Fewest rainy days: June, July, August and September
- Wettest months: January, February, March, April, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to September, with very warm summers and mild winters
Frequently asked questions about the climate in Ukiah
What is the best time to visit Ukiah?
April, May, June and October typically offer the most optimal weather in Ukiah. In contrast, July and December tend to have less optimal conditions. Ukiah has a distinct dry season from May to September, with very warm summers and mild winters.
What temperatures can I expect in Ukiah?
Daytime highs range from 13°C (55°F) in December to 34°C (93°F) in July. Nighttime lows range from 2°C (36°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Ukiah get?
Annual rainfall is around 844 mm (33 in). December is the wettest month with 180 mm (7.1 in), while August is the driest with 0.1 mm (0 in).
How sunny is Ukiah?
Ukiah receives around 3,042 hours of sunshine per year. May is the sunniest month with 310 hours, while December is the cloudiest with just 160 hours. Overall, Ukiah enjoys abundant sunshine.
Ukiah 3-Day Forecast
Ukiah on the map
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