April weather in Clearlake, CA
The average temperature in Clearlake in April is 52.8°F (39.3°F–66.4°F). Average precipitation: 1.99 inches.
April is a spring month in Clearlake, and is cooler than the annual average of 56.9°F. Daily temperatures swing about 27.1°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 2m. For travel, April is a comfortable month to visit.
Avg High
66.4°F
Avg Low
39.3°F
Precipitation
1.99 in
Daylight
13h 2m
April records in Clearlake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 86.0°F (1966) | 25.0°F (1967) | 1.29 in (1958) |
| April 2 | 84.9°F (1966) | 24.1°F (1976) | 0.98 in (1958) |
| April 3 | 88.0°F (2000) | 27.0°F (1956) | 1.37 in (2006) |
| April 4 | 86.0°F (1985) | 27.0°F (1976) | 0.56 in (1978) |
| April 5 | 86.0°F (1989) | 28.9°F (2001) | 1.23 in (2010) |
| April 6 | 89.1°F (1989) | 25.0°F (1964) | 0.84 in (1958) |
| April 7 | 91.9°F (1989) | 25.0°F (1965) | 1.30 in (2017) |
| April 8 | 91.9°F (1989) | 26.1°F (1982) | 1.46 in (1976) |
| April 9 | 93.0°F (1989) | 26.1°F (1999) | 1.12 in (1965) |
| April 10 | 84.9°F (1988) | 28.9°F (1975) | 0.45 in (1965) |
| April 11 | 86.0°F (1988) | 27.0°F (1976) | 1.79 in (1982) |
| April 12 | 82.9°F (1989) | 26.1°F (1970) | 2.71 in (2006) |
| April 13 | 87.1°F (1990) | 27.0°F (1968) | 1.42 in (2003) |
| April 14 | 91.0°F (1985) | 28.9°F (2005) | 0.62 in (1957) |
| April 15 | 86.0°F (1964) | 26.1°F (1975) | 0.62 in (1978) |
| April 16 | 86.0°F (1977) | 26.1°F (1970) | 1.08 in (1965) |
| April 17 | 84.9°F (1966) | 26.1°F (1970) | 1.57 in (2000) |
| April 18 | 82.9°F (2016) | 26.1°F (1968) | 0.92 in (1996) |
| April 19 | 84.9°F (2015) | 25.0°F (1964) | 0.57 in (1981) |
| April 20 | 86.0°F (1986) | 26.1°F (1967) | 0.72 in (1988) |
| April 21 | 87.1°F (2012) | 26.1°F (1968) | 1.41 in (1955) |
| April 22 | 89.1°F (2012) | 24.1°F (1968) | 0.73 in (1961) |
| April 23 | 88.0°F (2012) | 30.0°F (1963) | 0.70 in (1983) |
| April 24 | 86.0°F (1981) | 23.0°F (1964) | 0.82 in (2003) |
| April 25 | 87.1°F (1966) | 27.0°F (1964) | 0.61 in (1955) |
| April 26 | 89.1°F (1973) | 28.0°F (1964) | 1.27 in (1956) |
| April 27 | 89.1°F (1987) | 27.0°F (1955) | 0.38 in (1979) |
| April 28 | 87.1°F (1965) | 25.0°F (1970) | 1.15 in (1983) |
| April 29 | 91.0°F (1981) | 27.0°F (1966) | 0.83 in (2003) |
| April 30 | 93.9°F (1981) | 30.0°F (1967) | 0.62 in (1983) |