< Previous Month Next Month >

Ukiah May Weather

Averages and records for weather in Ukiah, California in the month of May.

Typical Ukiah May Weather 1991–2020
Average daily high	77.0 °F
Average daily low	47.5 °F
Average monthly precipitation	1.3 inches
Daily chance of precipitation	15.1%

Ukiah May Weather Records 1893–2024
Highest temperature	106 °F	May 31, 2021
Lowest temperature	28 °F	May 31, 1919
Highest daily low	63 °F	May 30, 1973
Lowest daily high	50 °F	May 20, 1901
Hottest average high temperature	88.1 °F	2001
Coldest average high temperature	65.6 °F	1998
Most daily precipitation	2.1 inches	May 27, 1990
Most monthly precipitation	6.4 inches	1998

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	73.8	45.1	96	31
May 2	74.0	45.3	93	30
May 3	74.2	45.5	95	32
May 4	74.4	45.7	97	34
May 5	74.6	45.7	98	32
May 6	74.8	45.9	100	32
May 7	75.0	46.0	100	31
May 8	75.2	46.1	98	32
May 9	75.5	46.2	100	33
May 10	75.7	46.4	99	33
May 11	75.9	46.6	97	32
May 12	76.0	46.8	101	33
May 13	76.2	47.0	100	32
May 14	76.4	47.2	99	33
May 15	76.6	47.3	102	32
May 16	76.8	47.5	102	32
May 17	77.1	47.7	101	32
May 18	77.4	47.9	98	33
May 19	77.6	48.1	100	33
May 20	78.0	48.3	102	34
May 21	78.2	48.5	102	33
May 22	78.4	48.6	102	32
May 23	78.5	48.8	100	34
May 24	78.7	48.9	99	32
May 25	78.8	49.1	100	31
May 26	79.0	49.3	99	34
May 27	79.2	49.5	101	35
May 28	79.4	49.7	105	34
May 29	79.7	49.8	105	35
May 30	79.9	49.9	104	32
May 31	80.3	50.1	106	28

Weather Station Details

Years	Station	Coordinates
2001–2024	Ukiah Municipal Airport	location
1893–2000	Ukiah	location