June weather in Mattawa, WA
The average temperature in Mattawa in June is 70.8°F (59.6°F–82.0°F). Average precipitation: 0.54 inches.
June is a summer month in Mattawa, and is warmer than the annual average of 56°F. Daily temperatures swing about 22.4°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 15h 35m. For travel, June is a comfortable month to visit.
Avg High
82.0°F
Avg Low
59.6°F
Precipitation
0.54 in
Daylight
15h 35m
June records in Mattawa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 105.1°F (1986) | 41.0°F (1965) | 0.28 in (1977) |
| June 2 | 102.0°F (2021) | 39.9°F (1966) | 0.23 in (2006) |
| June 3 | 100.0°F (1970) | 46.0°F (1966) | 0.40 in (1971) |
| June 4 | 104.0°F (1969) | 42.1°F (1983) | 0.34 in (2006) |
| June 5 | 100.0°F (1957) | 37.9°F (1991) | 0.43 in (2012) |
| June 6 | 102.9°F (2016) | 37.0°F (1995) | 0.57 in (1991) |
| June 7 | 102.9°F (2015) | 46.0°F (2012) | 0.40 in (1972) |
| June 8 | 97.0°F (2025) | 45.0°F (1967) | 0.50 in (1964) |
| June 9 | 104.0°F (2025) | 44.1°F (1963) | 0.14 in (2010) |
| June 10 | 98.1°F (1965) | 37.9°F (1990) | 0.21 in (2011) |
| June 11 | 96.1°F (1986) | 44.1°F (1990) | 0.50 in (1994) |
| June 12 | 98.1°F (1969) | 46.0°F (1990) | 0.75 in (1992) |
| June 13 | 111.0°F (1987) | 26.1°F (1991) | 0.44 in (1980) |
| June 14 | 99.0°F (1974) | 46.0°F (1995) | 0.05 in (1962) |
| June 15 | 102.9°F (1961) | 48.9°F (2016) | 0.08 in (1976) |
| June 16 | 109.0°F (1961) | 35.1°F (1973) | 0.16 in (1980) |
| June 17 | 109.9°F (1961) | 45.0°F (1973) | 0.35 in (1965) |
| June 18 | 105.1°F (1961) | 39.9°F (1995) | 0.60 in (2013) |
| June 19 | 100.0°F (1958) | 46.0°F (1996) | 0.18 in (1998) |
| June 20 | 102.9°F (1970) | 48.9°F (1981) | 1.00 in (1991) |
| June 21 | 102.0°F (1992) | 36.0°F (1991) | 0.38 in (1991) |
| June 22 | 102.9°F (1970) | 41.0°F (1963) | 0.05 in (2009) |
| June 23 | 109.0°F (1992) | 50.0°F (1966) | 0.29 in (2012) |
| June 24 | 106.0°F (1992) | 48.9°F (1996) | 0.50 in (1972) |
| June 25 | 104.0°F (1992) | 48.9°F (1976) | 0.16 in (2013) |
| June 26 | 104.0°F (2015) | 44.1°F (1991) | 0.18 in (2019) |
| June 27 | 111.0°F (2021) | 42.1°F (1963) | 0.80 in (2001) |
| June 28 | 107.1°F (2021) | 42.1°F (2002) | 0.12 in (2020) |
| June 29 | 109.9°F (2021) | 48.0°F (1991) | 0.27 in (1983) |
| June 30 | 113.0°F (2021) | 42.1°F (1991) | 0.02 in (1976) |