June weather in Napa, CA
The average temperature in Napa in June is 68.0°F (53.7°F–82.3°F). Average precipitation: 0.29 inches.
June is a summer month in Napa, and is warmer than the annual average of 60.3°F. Daily temperatures swing about 28.6°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 14h 37m. For travel, June is a comfortable month to visit.
Avg High
82.3°F
Avg Low
53.7°F
Precipitation
0.29 in
Daylight
14h 37m
June records in Napa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 105.1°F (1960) | 39.0°F (1949) | 0.50 in (1967) |
| June 2 | 108.0°F (1960) | 39.0°F (1966) | 1.22 in (1967) |
| June 3 | 105.1°F (1960) | 39.0°F (1982) | 0.26 in (1894) |
| June 4 | 102.0°F (1981) | 37.9°F (1982) | 0.91 in (2011) |
| June 5 | 105.1°F (1903) | 41.0°F (1932) | 0.56 in (1953) |
| June 6 | 108.0°F (1903) | 39.9°F (1929) | 0.48 in (1936) |
| June 7 | 99.0°F (1973) | 39.0°F (1951) | 0.54 in (1947) |
| June 8 | 102.0°F (1973) | 37.9°F (1950) | 0.54 in (1964) |
| June 9 | 102.9°F (2015) | 41.0°F (1901) | 0.76 in (1929) |
| June 10 | 102.9°F (1921) | 37.9°F (1917) | 0.25 in (1957) |
| June 11 | 102.0°F (2019) | 36.0°F (1929) | 0.32 in (1907) |
| June 12 | 104.0°F (2019) | 35.1°F (1920) | 0.70 in (2017) |
| June 13 | 105.1°F (2000) | 41.0°F (1901) | 0.42 in (1907) |
| June 14 | 113.0°F (1961) | 39.0°F (1919) | 0.18 in (1920) |
| June 15 | 109.9°F (2000) | 42.1°F (1917) | 1.04 in (1929) |
| June 16 | 102.9°F (1961) | 37.9°F (1919) | 0.75 in (1995) |
| June 17 | 104.0°F (1945) | 34.0°F (1929) | 0.26 in (2005) |
| June 18 | 109.9°F (1920) | 37.9°F (1929) | 0.02 in (1909) |
| June 19 | 109.0°F (1981) | 39.9°F (1948) | 0.03 in (1956) |
| June 20 | 108.0°F (1954) | 43.0°F (1942) | 0.03 in (1908) |
| June 21 | 106.0°F (1954) | 42.1°F (1919) | 0.00 in (1893) |
| June 22 | 105.1°F (1929) | 42.1°F (1911) | 0.00 in (1893) |
| June 23 | 108.0°F (1909) | 42.1°F (1901) | 0.48 in (1912) |
| June 24 | 106.0°F (1976) | 42.1°F (1930) | 0.40 in (1912) |
| June 25 | 106.0°F (1976) | 39.0°F (1901) | 0.64 in (2013) |
| June 26 | 102.0°F (2003) | 39.9°F (1962) | 0.05 in (1906) |
| June 27 | 106.0°F (1976) | 43.0°F (1917) | 0.20 in (1913) |
| June 28 | 106.0°F (1901) | 45.0°F (1909) | 0.90 in (2011) |
| June 29 | 104.0°F (1934) | 41.0°F (1929) | 0.80 in (1992) |
| June 30 | 105.1°F (1972) | 44.1°F (1953) | 0.29 in (1992) |