WEATHER IN Ukiah
Climate tables. Data for Ukiah.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -10.0 (1949) | 2.9 | 8.7 | 14.6 | 27.8 (1984) |
| february | -7.8 (1989) | 3.8 | 9.9 | 16.1 | 30.0 (1932) |
| march | -5.6 (1923) | 4.8 | 11.5 | 18.2 | 33.9 (1914) |
| april | -4.4 (1924) | 6.1 | 13.3 | 20.6 | 36.7 (1926) |
| may | -2.2 (1919) | 8.8 | 17.1 | 25.4 | 40.6 (1984) |
| june | 1.7 (1920) | 11.3 | 20.5 | 29.7 | 45.6 (1961) |
| july | 4.4 (1923) | 13.4 | 23.9 | 34.4 | 45.6 (1972) |
| august | 3.3 (1918) | 12.7 | 23.4 | 34.2 | 45.6 (1908) |
| september | -1.1 (1926) | 10.4 | 21.0 | 31.6 | 46.1 (1955) |
| october | -4.4 (1971) | 7.3 | 16.7 | 26.1 | 40.6 (1980) |
| november | -7.2 (1919) | 4.4 | 11.3 | 18.1 | 33.3 (1967) |
| december | -10.6 (1972) | 2.2 | 7.9 | 13.7 | 30.6 (2006) |
| year | -10.6 (1972) | 6.9 | 14.8 | 22.7 | 46.1 (1955) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 170 | 3 (1920) | 781 (1909) | 144 (1974) |
| february | 159 | 6 (1886) | 567 (1998) | 118 (1958) |
| march | 135 | 0.3 (1923) | 474 (1995) | 146 (1995) |
| april | 65 | 0.0 (1909) | 299 (1880) | 58 (1983) |
| may | 30 | 0.0 (1903) | 163 (1998) | 53 (1990) |
| june | 9 | 0.0 (1877) | 62 (1936) | 33 (1967) |
| july | 0.3 | 0.0 (1877) | 21 (1974) | 18 (1974) |
| august | 2 | 0.0 (1877) | 34 (1968) | 20 (1997) |
| september | 4 | 0.0 (1877) | 89 (1957) | 57 (1957) |
| october | 45 | 0.0 (1880) | 205 (1889) | 81 (1962) |
| november | 90 | 0.0 (1878) | 489 (1885) | 98 (1920) |
| december | 176 | 0.0 (1989) | 535 (1964) | 157 (1964) |
| year | 949 | 358 (1976) | 1966 (1983) | 157 (1964) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |