August weather in Napavine, WA
The average temperature in Napavine in August is 66.0°F (51.3°F–80.8°F). Average precipitation: inches.
August is a summer month in Napavine, and is warmer than the annual average of 52.3°F. Daily temperatures swing about 29.5°F between overnight low and afternoon high. Daylight averages about 14h 0m. For travel, August is a comfortable month to visit.
Avg High
80.8°F
Avg Low
51.3°F
Precipitation
in
Daylight
14h 0m
August records in Napavine
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 93.9°F (1974) | 39.0°F (1987) | 0.20 in (1964) |
| August 2 | 91.9°F (1977) | 41.0°F (1969) | 1.22 in (1956) |
| August 3 | 91.9°F (1977) | 39.0°F (1969) | 0.45 in (1962) |
| August 4 | 93.9°F (1990) | 37.9°F (2006) | 0.43 in (1992) |
| August 5 | 91.9°F (1977) | 42.1°F (1968) | 0.19 in (1999) |
| August 6 | 100.0°F (1981) | 39.0°F (1988) | 1.19 in (2002) |
| August 7 | 100.0°F (1981) | 37.9°F (1988) | 0.86 in (1962) |
| August 8 | 102.0°F (1978) | 39.9°F (1988) | 0.20 in (1976) |
| August 9 | 102.9°F (1981) | 39.0°F (1959) | 0.14 in (1991) |
| August 10 | 104.0°F (1981) | 41.0°F (1959) | 0.29 in (1957) |
| August 11 | 102.0°F (1990) | 37.0°F (1966) | 0.30 in (1949) |
| August 12 | 100.9°F (1977) | 37.9°F (1972) | 0.61 in (1965) |
| August 13 | 100.0°F (1977) | 37.9°F (1972) | 0.35 in (1982) |
| August 14 | 93.0°F (1967) | 39.0°F (1973) | 0.51 in (1968) |
| August 15 | 96.1°F (1967) | 39.9°F (1973) | 0.76 in (1976) |
| August 16 | 100.0°F (1977) | 35.1°F (1969) | 0.45 in (1988) |
| August 17 | 102.0°F (1977) | 35.1°F (1970) | 0.94 in (1948) |
| August 18 | 102.0°F (1977) | 30.9°F (1973) | 0.47 in (1954) |
| August 19 | 91.0°F (1967) | 34.0°F (1973) | 0.80 in (1968) |
| August 20 | 91.0°F (1967) | 35.1°F (1973) | 1.18 in (1979) |
| August 21 | 90.0°F (1966) | 36.0°F (1973) | 0.59 in (1979) |
| August 22 | 90.0°F (1966) | 32.0°F (1973) | 0.82 in (2001) |
| August 23 | 96.1°F (1988) | 36.0°F (1973) | 1.41 in (1968) |
| August 24 | 91.9°F (1988) | 36.0°F (1992) | 0.85 in (1977) |
| August 25 | 90.0°F (1996) | 37.0°F (1995) | 0.74 in (1968) |
| August 26 | 95.0°F (1986) | 37.0°F (1991) | 1.17 in (1953) |
| August 27 | 91.9°F (1967) | 37.9°F (1973) | 0.56 in (1968) |
| August 28 | 99.0°F (1967) | 37.0°F (1992) | 1.07 in (1975) |
| August 29 | 98.1°F (1967) | 35.1°F (1965) | 0.70 in (1977) |
| August 30 | 93.9°F (1987) | 37.9°F (1959) | 0.97 in (1983) |
| August 31 | 100.9°F (1987) | 35.1°F (1973) | 0.70 in (1961) |