May weather in Optima, OK
The average temperature in Optima in May is 66.0°F (51.7°F–80.2°F). Average precipitation: 2.46 inches.
May is a spring month in Optima, and is warmer than the annual average of 57.2°F. Daily temperatures swing about 28.5°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 58m. For travel, May is a comfortable month to visit.
Avg High
80.2°F
Avg Low
51.7°F
Precipitation
2.46 in
Daylight
13h 58m
May records in Optima
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 95.0°F (1959) | 19.0°F (1909) | 2.60 in (1914) |
| May 2 | 97.0°F (1992) | 27.0°F (1946) | 1.75 in (1907) |
| May 3 | 96.1°F (1950) | 27.0°F (1954) | 1.52 in (1990) |
| May 4 | 99.0°F (2014) | 27.0°F (1945) | 1.31 in (1961) |
| May 5 | 98.1°F (1956) | 30.9°F (1907) | 1.06 in (1987) |
| May 6 | 99.0°F (1916) | 30.9°F (1915) | 1.79 in (2025) |
| May 7 | 100.0°F (1916) | 30.0°F (1915) | 1.32 in (2019) |
| May 8 | 100.0°F (1963) | 27.0°F (1938) | 2.26 in (1995) |
| May 9 | 102.0°F (1956) | 32.0°F (1924) | 1.17 in (1998) |
| May 10 | 100.0°F (1962) | 28.0°F (1924) | 2.50 in (1972) |
| May 11 | 102.0°F (1962) | 28.9°F (1946) | 4.30 in (1972) |
| May 12 | 102.0°F (1962) | 30.0°F (1946) | 0.82 in (1972) |
| May 13 | 96.1°F (1962) | 26.1°F (1966) | 1.40 in (1912) |
| May 14 | 100.0°F (1963) | 25.0°F (1953) | 2.35 in (1951) |
| May 15 | 99.0°F (1974) | 24.1°F (1907) | 1.20 in (1951) |
| May 16 | 99.0°F (1996) | 34.0°F (1943) | 2.47 in (1951) |
| May 17 | 105.1°F (1996) | 34.0°F (1945) | 1.15 in (1935) |
| May 18 | 100.9°F (1996) | 30.0°F (1935) | 2.12 in (1940) |
| May 19 | 104.0°F (1996) | 36.0°F (1915) | 1.83 in (1909) |
| May 20 | 100.9°F (2004) | 35.1°F (1943) | 1.58 in (2019) |
| May 21 | 100.9°F (2005) | 33.1°F (1915) | 1.34 in (2001) |
| May 22 | 102.0°F (1939) | 34.0°F (1945) | 2.38 in (1991) |
| May 23 | 102.9°F (1964) | 39.0°F (1910) | 1.19 in (1941) |
| May 24 | 102.0°F (1953) | 36.0°F (1924) | 2.01 in (1915) |
| May 25 | 102.9°F (1953) | 39.9°F (1966) | 2.15 in (1996) |
| May 26 | 105.1°F (1953) | 39.0°F (1950) | 1.82 in (1944) |
| May 27 | 102.0°F (2006) | 30.9°F (1907) | 1.86 in (1944) |
| May 28 | 105.1°F (1974) | 32.0°F (1947) | 2.02 in (2024) |
| May 29 | 100.0°F (1913) | 37.9°F (1947) | 2.15 in (1971) |
| May 30 | 102.0°F (1998) | 43.0°F (1924) | 2.66 in (2021) |
| May 31 | 100.9°F (1953) | 41.0°F (1973) | 1.23 in (1988) |