June weather in Portola, CA
The average temperature in Portola in June is 58.7°F (40.1°F–77.2°F). Average precipitation: 0.52 inches.
June is a summer month in Portola, and is warmer than the annual average of 46.7°F. Daily temperatures swing about 37.1°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 14h 47m. For travel, June is a comfortable month to visit.
Avg High
77.2°F
Avg Low
40.1°F
Precipitation
0.52 in
Daylight
14h 47m
June records in Portola
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 91.9°F (1924) | 21.9°F (1929) | 1.12 in (1961) |
| June 2 | 96.1°F (1924) | 19.9°F (1929) | 0.68 in (1961) |
| June 3 | 93.9°F (1924) | 21.0°F (1934) | 0.50 in (1943) |
| June 4 | 91.9°F (1924) | 19.9°F (1927) | 0.55 in (1997) |
| June 5 | 102.0°F (1942) | 19.9°F (1976) | 0.95 in (1967) |
| June 6 | 99.0°F (1942) | 25.0°F (1924) | 1.11 in (2011) |
| June 7 | 91.9°F (1924) | 23.0°F (1946) | 0.55 in (1941) |
| June 8 | 95.0°F (1955) | 19.9°F (1920) | 0.54 in (1989) |
| June 9 | 96.1°F (1955) | 23.0°F (1976) | 0.52 in (1969) |
| June 10 | 96.1°F (2013) | 23.0°F (1946) | 0.28 in (1963) |
| June 11 | 96.1°F (1924) | 25.0°F (1946) | 0.52 in (2005) |
| June 12 | 93.9°F (1933) | 21.9°F (1952) | 0.56 in (1958) |
| June 13 | 93.9°F (1940) | 21.0°F (1952) | 0.36 in (1955) |
| June 14 | 96.1°F (1933) | 26.1°F (1992) | 0.24 in (2023) |
| June 15 | 97.0°F (1940) | 25.0°F (1935) | 0.50 in (1929) |
| June 16 | 93.9°F (1940) | 24.1°F (1924) | 0.20 in (1929) |
| June 17 | 93.9°F (1924) | 23.0°F (1921) | 0.78 in (1965) |
| June 18 | 95.0°F (2021) | 27.0°F (1975) | 0.47 in (1969) |
| June 19 | 96.1°F (1924) | 28.9°F (1919) | 0.23 in (1982) |
| June 20 | 99.0°F (1961) | 27.0°F (1943) | 0.31 in (1967) |
| June 21 | 97.0°F (1924) | 26.1°F (1920) | 0.62 in (1965) |
| June 22 | 96.1°F (1924) | 25.0°F (1943) | 0.10 in (1938) |
| June 23 | 100.9°F (2006) | 21.9°F (1943) | 0.50 in (1945) |
| June 24 | 111.0°F (2006) | 23.0°F (1937) | 0.70 in (1945) |
| June 25 | 100.0°F (1924) | 24.1°F (1943) | 0.93 in (1988) |
| June 26 | 102.0°F (1924) | 25.0°F (1943) | 0.20 in (1927) |
| June 27 | 100.0°F (1924) | 19.9°F (1925) | 0.34 in (1978) |
| June 28 | 105.1°F (1924) | 27.0°F (1933) | 0.59 in (1941) |
| June 29 | 108.0°F (1924) | 25.0°F (1916) | 0.47 in (2011) |
| June 30 | 109.9°F (1924) | 26.1°F (1928) | 0.44 in (1992) |