June weather in Sumner, IA
The average temperature in Sumner in June is 69.1°F (58.6°F–79.6°F). Average precipitation: 6.03 inches.
June is a summer month in Sumner, and is warmer than the annual average of 46.4°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 15h 6m. For travel, June is a wet month.
Avg High
79.6°F
Avg Low
58.6°F
Precipitation
6.03 in
Daylight
15h 6m
June records in Sumner
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 90.0°F (1988) | 36.0°F (1993) | 1.63 in (2000) |
| June 2 | 91.9°F (2018) | 37.9°F (1993) | 1.40 in (1951) |
| June 3 | 96.1°F (2020) | 37.9°F (1969) | 0.80 in (2008) |
| June 4 | 93.0°F (2011) | 39.0°F (1990) | 1.75 in (1953) |
| June 5 | 91.9°F (1977) | 39.9°F (1951) | 1.94 in (1999) |
| June 6 | 93.9°F (1952) | 45.0°F (1951) | 1.12 in (2010) |
| June 7 | 97.0°F (2011) | 44.1°F (1960) | 2.10 in (1967) |
| June 8 | 96.1°F (2011) | 39.9°F (1978) | 3.06 in (2008) |
| June 9 | 100.0°F (1985) | 41.0°F (1988) | 2.20 in (1974) |
| June 10 | 96.1°F (2015) | 42.1°F (1989) | 3.70 in (2018) |
| June 11 | 95.0°F (2016) | 43.0°F (1972) | 1.04 in (2016) |
| June 12 | 95.0°F (2001) | 44.1°F (2006) | 2.70 in (2008) |
| June 13 | 91.0°F (1952) | 42.1°F (1969) | 3.96 in (1947) |
| June 14 | 98.1°F (1987) | 44.1°F (1947) | 1.58 in (1952) |
| June 15 | 97.0°F (1987) | 44.1°F (1989) | 1.53 in (2016) |
| June 16 | 91.0°F (2007) | 43.0°F (1982) | 1.36 in (1997) |
| June 17 | 91.0°F (2018) | 42.1°F (1960) | 2.31 in (2014) |
| June 18 | 96.1°F (1953) | 46.0°F (1950) | 2.00 in (1950) |
| June 19 | 97.0°F (1953) | 45.0°F (2004) | 1.11 in (2018) |
| June 20 | 93.0°F (1956) | 44.1°F (1992) | 1.47 in (2014) |
| June 21 | 98.1°F (1988) | 37.9°F (1992) | 2.95 in (1997) |
| June 22 | 98.1°F (1988) | 39.9°F (1992) | 1.32 in (1986) |
| June 23 | 93.9°F (1995) | 44.1°F (1972) | 2.65 in (1964) |
| June 24 | 93.9°F (2005) | 45.0°F (1972) | 2.50 in (1981) |
| June 25 | 95.0°F (1954) | 42.1°F (2004) | 1.85 in (2005) |
| June 26 | 102.0°F (1980) | 46.9°F (1968) | 4.35 in (1951) |
| June 27 | 95.0°F (1977) | 44.1°F (1992) | 1.66 in (2010) |
| June 28 | 97.0°F (2012) | 46.0°F (1968) | 2.75 in (1980) |
| June 29 | 100.0°F (1970) | 48.0°F (1950) | 2.60 in (1969) |
| June 30 | 96.1°F (1963) | 48.0°F (1988) | 1.48 in (1996) |