May weather in Yountville, CA
The average temperature in Yountville in May is 61.6°F (47.8°F–75.3°F). Average precipitation: 1.03 inches.
May is a spring month in Yountville, and is warmer than the annual average of 59°F. Daily temperatures swing about 27.5°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 14h 5m. For travel, May is a comfortable month to visit.
Avg High
75.3°F
Avg Low
47.8°F
Precipitation
1.03 in
Daylight
14h 5m
May records in Yountville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (1996) | 32.0°F (1967) | 1.10 in (1995) |
| May 2 | 93.0°F (1966) | 30.0°F (1894) | 0.64 in (2009) |
| May 3 | 93.9°F (1990) | 35.1°F (1952) | 0.85 in (2003) |
| May 4 | 93.9°F (1990) | 30.0°F (1952) | 0.33 in (2005) |
| May 5 | 95.0°F (1987) | 27.0°F (1952) | 0.63 in (2005) |
| May 6 | 96.1°F (1987) | 34.0°F (1968) | 0.60 in (1994) |
| May 7 | 95.0°F (2001) | 33.1°F (1983) | 1.26 in (1905) |
| May 8 | 96.1°F (2001) | 35.1°F (1952) | 1.30 in (2005) |
| May 9 | 93.0°F (2001) | 33.1°F (1953) | 0.79 in (2005) |
| May 10 | 93.9°F (2001) | 30.9°F (1980) | 0.40 in (1963) |
| May 11 | 93.0°F (1959) | 35.1°F (1968) | 0.42 in (1961) |
| May 12 | 105.1°F (1976) | 35.1°F (1967) | 0.76 in (1998) |
| May 13 | 99.0°F (1976) | 37.0°F (1952) | 0.68 in (1902) |
| May 14 | 96.1°F (1970) | 33.1°F (1968) | 0.45 in (2000) |
| May 15 | 100.0°F (2008) | 30.0°F (1964) | 1.01 in (1996) |
| May 16 | 100.9°F (1970) | 36.0°F (1981) | 1.51 in (1996) |
| May 17 | 100.9°F (1997) | 34.0°F (1974) | 0.30 in (2011) |
| May 18 | 98.1°F (1973) | 33.1°F (1974) | 0.97 in (1957) |
| May 19 | 95.0°F (1955) | 36.0°F (1962) | 0.92 in (2019) |
| May 20 | 97.0°F (2001) | 36.0°F (1974) | 0.60 in (1990) |
| May 21 | 99.0°F (2001) | 37.0°F (1974) | 0.46 in (1996) |
| May 22 | 96.1°F (2000) | 33.1°F (1960) | 0.38 in (1958) |
| May 23 | 99.0°F (1982) | 39.0°F (1965) | 0.63 in (1960) |
| May 24 | 102.9°F (1982) | 33.1°F (1953) | 0.60 in (1960) |
| May 25 | 96.1°F (2022) | 34.0°F (1953) | 1.23 in (1906) |
| May 26 | 100.0°F (1974) | 33.1°F (1953) | 0.47 in (1993) |
| May 27 | 98.1°F (1974) | 36.0°F (1953) | 1.64 in (1990) |
| May 28 | 99.0°F (1973) | 35.1°F (1959) | 1.10 in (1998) |
| May 29 | 102.0°F (1975) | 37.9°F (1959) | 0.63 in (1998) |
| May 30 | 102.9°F (1975) | 37.0°F (1962) | 0.35 in (1990) |
| May 31 | 105.1°F (2001) | 37.0°F (1966) | 0.79 in (1899) |