April weather in Duncan, OK
The average temperature in Duncan in April is 61.2°F (49.0°F–73.4°F). Average precipitation: 3.45 inches.
April is a spring month in Duncan, and is cooler than the annual average of 61.9°F. Daily temperatures swing about 24.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 52m. For travel, April is a comfortable month to visit.
Avg High
73.4°F
Avg Low
49.0°F
Precipitation
3.45 in
Daylight
12h 52m
April records in Duncan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 93.9°F (1946) | 28.9°F (1987) | 1.72 in (1988) |
| April 2 | 91.0°F (1950) | 27.0°F (1970) | 0.70 in (1986) |
| April 3 | 96.1°F (1950) | 28.0°F (1975) | 1.71 in (1947) |
| April 4 | 91.9°F (2011) | 30.9°F (1945) | 2.03 in (1986) |
| April 5 | 91.9°F (2011) | 28.9°F (1945) | 1.60 in (2025) |
| April 6 | 96.1°F (1954) | 28.9°F (1994) | 1.62 in (1940) |
| April 7 | 93.9°F (1954) | 27.0°F (1939) | 0.77 in (1942) |
| April 8 | 90.0°F (1963) | 33.1°F (2007) | 2.50 in (1942) |
| April 9 | 89.1°F (1939) | 30.0°F (1973) | 0.40 in (1961) |
| April 10 | 91.0°F (2011) | 28.0°F (1973) | 2.50 in (2008) |
| April 11 | 93.9°F (1948) | 30.9°F (1995) | 1.56 in (1997) |
| April 12 | 100.0°F (1972) | 26.1°F (1940) | 1.64 in (2009) |
| April 13 | 97.0°F (1972) | 26.1°F (1957) | 1.05 in (2019) |
| April 14 | 91.9°F (1956) | 30.9°F (1957) | 1.74 in (2017) |
| April 15 | 91.9°F (1940) | 32.0°F (1983) | 1.47 in (1947) |
| April 16 | 91.9°F (2006) | 34.0°F (1961) | 0.84 in (1950) |
| April 17 | 91.9°F (1948) | 34.0°F (1947) | 1.71 in (1995) |
| April 18 | 97.0°F (2006) | 33.1°F (1953) | 2.85 in (1942) |
| April 19 | 97.0°F (2011) | 32.0°F (1953) | 2.74 in (1990) |
| April 20 | 91.9°F (1987) | 34.0°F (1953) | 3.10 in (1990) |
| April 21 | 91.9°F (1955) | 36.0°F (1966) | 2.06 in (2014) |
| April 22 | 95.0°F (1955) | 34.0°F (1959) | 1.77 in (1985) |
| April 23 | 93.0°F (2009) | 39.9°F (1984) | 1.94 in (1957) |
| April 24 | 90.0°F (1950) | 37.0°F (1995) | 4.14 in (2025) |
| April 25 | 93.9°F (1984) | 39.9°F (2005) | 2.42 in (1947) |
| April 26 | 93.9°F (1939) | 41.0°F (1976) | 1.22 in (1957) |
| April 27 | 93.0°F (1956) | 41.0°F (1973) | 2.88 in (2025) |
| April 28 | 90.0°F (1948) | 37.9°F (2008) | 4.08 in (2024) |
| April 29 | 91.0°F (1960) | 41.0°F (1956) | 3.52 in (2006) |
| April 30 | 91.0°F (1955) | 37.9°F (1996) | 4.33 in (2025) |