June weather in Index, WA
The average temperature in Index in June is 58.8°F (48.1°F–69.4°F). Average precipitation: 3.96 inches.
June is a summer month in Index, and is warmer than the annual average of 49.8°F. Daily temperatures swing about 21.3°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 15h 44m. For travel, June is a comfortable month to visit.
Avg High
69.4°F
Avg Low
48.1°F
Precipitation
3.96 in
Daylight
15h 44m
June records in Index
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 89.1°F (1970) | 34.0°F (1984) | 1.16 in (2005) |
| June 2 | 98.1°F (1970) | 37.9°F (1972) | 1.00 in (2001) |
| June 3 | 90.0°F (2009) | 30.9°F (1976) | 1.15 in (2010) |
| June 4 | 91.9°F (2009) | 34.0°F (1976) | 1.26 in (2008) |
| June 5 | 93.9°F (2009) | 36.0°F (1976) | 1.06 in (1974) |
| June 6 | 95.0°F (2016) | 42.1°F (1971) | 1.17 in (2008) |
| June 7 | 93.0°F (2003) | 37.9°F (1975) | 2.90 in (1985) |
| June 8 | 91.9°F (2003) | 39.0°F (1975) | 1.06 in (2002) |
| June 9 | 88.0°F (2015) | 35.1°F (1971) | 1.26 in (1993) |
| June 10 | 86.0°F (2015) | 37.9°F (2008) | 2.07 in (2022) |
| June 11 | 84.0°F (1982) | 42.1°F (1973) | 1.52 in (2001) |
| June 12 | 88.0°F (2002) | 39.9°F (1988) | 1.90 in (2000) |
| June 13 | 91.9°F (2002) | 39.0°F (1976) | 1.23 in (1994) |
| June 14 | 91.0°F (2002) | 36.0°F (1976) | 1.15 in (2022) |
| June 15 | 82.9°F (2015) | 37.9°F (1979) | 1.17 in (1976) |
| June 16 | 86.0°F (2015) | 39.0°F (1985) | 1.93 in (2017) |
| June 17 | 87.1°F (1977) | 39.0°F (1984) | 1.41 in (1997) |
| June 18 | 93.9°F (1982) | 39.0°F (1984) | 1.15 in (1996) |
| June 19 | 90.0°F (1982) | 39.9°F (1996) | 0.91 in (1981) |
| June 20 | 86.0°F (1970) | 42.1°F (1997) | 0.81 in (1991) |
| June 21 | 90.0°F (1973) | 41.0°F (1989) | 1.13 in (1984) |
| June 22 | 91.0°F (2021) | 41.0°F (2014) | 0.77 in (1993) |
| June 23 | 88.0°F (1992) | 42.1°F (1987) | 1.44 in (1997) |
| June 24 | 87.1°F (1982) | 42.1°F (1971) | 0.72 in (1976) |
| June 25 | 91.0°F (2017) | 39.9°F (1976) | 1.69 in (1980) |
| June 26 | 97.0°F (2017) | 41.0°F (1976) | 0.68 in (1975) |
| June 27 | 102.9°F (2021) | 41.0°F (1976) | 0.41 in (1993) |
| June 28 | 105.1°F (2021) | 42.1°F (1980) | 1.18 in (2014) |
| June 29 | 107.1°F (2021) | 41.0°F (1973) | 2.39 in (2002) |
| June 30 | 95.0°F (2008) | 39.9°F (1971) | 0.70 in (1979) |