June weather in Duncan, OK
The average temperature in Duncan in June is 78.2°F (68.0°F–88.5°F). Average precipitation: 4.49 inches.
June is a summer month in Duncan, and is warmer than the annual average of 61.9°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 16m. For travel, June is hot.
Avg High
88.5°F
Avg Low
68.0°F
Precipitation
4.49 in
Daylight
14h 16m
June records in Duncan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 102.0°F (1998) | 46.9°F (1964) | 1.80 in (1971) |
| June 2 | 104.0°F (1998) | 46.9°F (1964) | 3.35 in (1951) |
| June 3 | 104.0°F (1998) | 51.1°F (1964) | 3.68 in (1956) |
| June 4 | 98.1°F (1998) | 50.0°F (1969) | 4.10 in (1989) |
| June 5 | 95.0°F (2011) | 53.1°F (1970) | 4.40 in (1985) |
| June 6 | 99.0°F (1948) | 52.0°F (1998) | 4.37 in (1953) |
| June 7 | 100.9°F (1945) | 48.9°F (1983) | 2.13 in (1989) |
| June 8 | 99.0°F (1980) | 55.9°F (1983) | 2.55 in (1989) |
| June 9 | 102.0°F (1939) | 55.0°F (1996) | 2.59 in (1962) |
| June 10 | 100.0°F (1939) | 51.1°F (1955) | 2.38 in (1995) |
| June 11 | 100.9°F (1958) | 50.0°F (1955) | 2.40 in (1950) |
| June 12 | 104.0°F (1942) | 54.0°F (1995) | 1.65 in (1965) |
| June 13 | 100.9°F (1953) | 55.0°F (1985) | 5.37 in (2016) |
| June 14 | 106.0°F (1953) | 48.9°F (1947) | 2.20 in (1983) |
| June 15 | 104.0°F (1953) | 54.0°F (1969) | 1.62 in (2010) |
| June 16 | 102.0°F (1939) | 53.1°F (1989) | 2.34 in (2023) |
| June 17 | 100.9°F (1971) | 55.0°F (1945) | 1.50 in (1997) |
| June 18 | 106.0°F (2011) | 55.9°F (1945) | 2.67 in (1985) |
| June 19 | 102.9°F (2011) | 57.9°F (1945) | 1.66 in (1962) |
| June 20 | 105.1°F (2011) | 57.9°F (1946) | 2.36 in (2020) |
| June 21 | 104.0°F (1953) | 55.0°F (1976) | 1.18 in (1982) |
| June 22 | 100.9°F (1953) | 59.0°F (2001) | 2.13 in (1942) |
| June 23 | 102.0°F (1960) | 60.1°F (2004) | 1.84 in (1947) |
| June 24 | 104.0°F (1984) | 55.0°F (1957) | 2.64 in (1948) |
| June 25 | 108.0°F (1972) | 55.9°F (1974) | 1.91 in (1965) |
| June 26 | 109.0°F (1972) | 55.9°F (1946) | 2.16 in (2007) |
| June 27 | 108.0°F (1972) | 55.0°F (2003) | 1.62 in (2007) |
| June 28 | 111.0°F (1980) | 39.0°F (2003) | 1.94 in (2010) |
| June 29 | 109.0°F (1980) | 42.1°F (2003) | 4.02 in (2007) |
| June 30 | 108.0°F (1980) | 62.1°F (1940) | 1.85 in (1953) |