Ukiah Weather Records

Ukiah, California weather averages and records from 1893–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Ukiah, California was 117 °F which occurred on September 6, 2022.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Ukiah, California was 12 °F which occurred on January 12, 1898.
Lowest Temperatures: All-Time By Year
Ukiah Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧
January 57.5 37.2 82 12 7.1
February 60.5 38.6 86 18 6.6
March 64.7 40.5 93 22 5.3
April 69.0 42.8 98 23 2.4
May 77.0 47.5 106 28 1.3
June 84.8 52.5 114 35 0.4
July 92.8 56.1 114 39 0.0
August 91.9 54.9 114 38 0.1
September 88.1 51.0 117 30 0.2
October 77.8 45.6 105 24 1.7
November 63.7 40.1 92 19 3.8
December 56.2 36.4 84 13 7.5
Entire year 73.7 45.3 117 12 36.3
More Ukiah Weather Records
1893–2024
Highest daily low 73 °F July 17, 1984
Lowest daily high 34 °F December 12, 1972
Greatest daily range
(Difference of high and low)
65 °F August 17, 1942
Greatest difference in daily high
over two conscutive days
33 °F Sep 6–7, 1924
Most daily precipitation 6.2 inches December 22, 1964
Most monthly precipitation 30.8 inches January 1909
Most yearly precipitation 76.6 inches 1983
Most yearly days with precipitation 130 2010
Earliest freeze September 18 1902
Earliest day ≥ 90 °F March 16 1914
Earliest day ≥ 100 °F May 6 1987
Latest freeze May 31 1919
Latest day ≥ 90 °F November 9 1955
Latest day ≥ 100 °F October 17 2020
Most days in a year < 32 °F 87 1917
Most days in a year ≥ 80 °F 178 1926
Most days in a year ≥ 90 °F 113 2020
Most days in a year ≥ 100 °F 42 2021
Most days in a year ≥ 110 °F 5 2006
Ukiah Weather Streaks
Most consecutive days...
With precipitation 25 days Jan 3–27, 1956
Without precipitation 184 days Apr 4 – Oct 4, 1924
High temperature ≥ 80 °F 105 days Jun 14 – Sep 26, 1922
High temperature ≥ 90 °F 58 days Jun 24 – Aug 20, 2021
High temperature ≥ 100 °F 13 days Aug 12–24, 1967
High temperature ≥ 110 °F 5 days Jul 21–25, 2006
Plant Hardiness Zone
9A
Ukiah is in plant hardiness zone 9A
based on average yearly minimum temperature from 1991–2020
Ukiah Weather by Year
More Ukiah Weather
Compare Ukiah to:
Weather Station Details
Years Station Coordinates
2001–2024 Ukiah Municipal Airport location
1893–2000 Ukiah location