April weather in Napa, CA
The average temperature in Napa in April is 58.8°F (45.6°F–72.1°F). Average precipitation: 1.72 inches.
April is a spring month in Napa, and is cooler than the annual average of 60.3°F. Daily temperatures swing about 26.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 0m. For travel, April is a comfortable month to visit.
Avg High
72.1°F
Avg Low
45.6°F
Precipitation
1.72 in
Daylight
13h 0m
April records in Napa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 87.1°F (2000) | 30.0°F (1936) | 2.66 in (1996) |
| April 2 | 87.1°F (2000) | 28.9°F (1949) | 0.73 in (1947) |
| April 3 | 88.0°F (1961) | 33.1°F (1955) | 2.52 in (1958) |
| April 4 | 86.0°F (1960) | 28.9°F (1918) | 2.01 in (1941) |
| April 5 | 86.0°F (1957) | 30.9°F (1918) | 1.55 in (1926) |
| April 6 | 91.0°F (1939) | 30.0°F (1929) | 1.81 in (2018) |
| April 7 | 91.9°F (2016) | 28.9°F (1929) | 1.80 in (2017) |
| April 8 | 91.0°F (1989) | 30.0°F (1953) | 1.20 in (1926) |
| April 9 | 90.0°F (1989) | 30.0°F (1929) | 1.00 in (1965) |
| April 10 | 90.0°F (1988) | 32.0°F (1929) | 0.92 in (1923) |
| April 11 | 88.0°F (1904) | 32.0°F (1929) | 1.23 in (1999) |
| April 12 | 90.0°F (1947) | 30.0°F (1929) | 1.30 in (2006) |
| April 13 | 90.0°F (1947) | 30.9°F (1929) | 0.90 in (1930) |
| April 14 | 91.0°F (1985) | 30.0°F (1921) | 1.58 in (1963) |
| April 15 | 90.0°F (1947) | 30.0°F (1921) | 1.50 in (1978) |
| April 16 | 88.0°F (1931) | 30.0°F (1917) | 0.77 in (2006) |
| April 17 | 88.0°F (1954) | 32.0°F (1917) | 1.05 in (2000) |
| April 18 | 90.0°F (1950) | 32.0°F (1917) | 0.82 in (1957) |
| April 19 | 91.0°F (2009) | 30.0°F (1917) | 0.50 in (1988) |
| April 20 | 93.9°F (1931) | 28.9°F (1929) | 0.97 in (1988) |
| April 21 | 95.0°F (2009) | 30.0°F (1963) | 0.58 in (1955) |
| April 22 | 95.0°F (2009) | 27.0°F (1929) | 0.88 in (1961) |
| April 23 | 91.9°F (2013) | 28.9°F (1929) | 1.11 in (1983) |
| April 24 | 87.1°F (1897) | 30.9°F (1964) | 2.59 in (1896) |
| April 25 | 91.0°F (1965) | 34.0°F (1964) | 0.83 in (2014) |
| April 26 | 95.0°F (2004) | 30.9°F (1949) | 0.66 in (1960) |
| April 27 | 95.0°F (2004) | 30.9°F (1955) | 1.92 in (1953) |
| April 28 | 95.0°F (1921) | 32.0°F (1970) | 1.84 in (1901) |
| April 29 | 95.0°F (1981) | 32.0°F (1949) | 0.49 in (1902) |
| April 30 | 93.0°F (1981) | 30.0°F (1949) | 0.73 in (1948) |