May weather in Dewey, OK
The average temperature in Dewey in May is 67.1°F (55.3°F–78.8°F). Average precipitation: 5.68 inches.
May is a spring month in Dewey, and is warmer than the annual average of 58.2°F. Daily temperatures swing about 23.5°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 58m. For travel, May is a wet month.
Avg High
78.8°F
Avg Low
55.3°F
Precipitation
5.68 in
Daylight
13h 58m
May records in Dewey
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (1948) | 30.0°F (1960) | 2.40 in (1936) |
| May 2 | 91.0°F (1968) | 31.1°F (2014) | 1.20 in (1954) |
| May 3 | 91.9°F (1950) | 32.0°F (1976) | 2.67 in (2017) |
| May 4 | 96.1°F (2014) | 30.0°F (1954) | 2.76 in (2022) |
| May 5 | 93.9°F (1952) | 36.0°F (1945) | 3.29 in (1991) |
| May 6 | 93.0°F (1952) | 34.0°F (1992) | 2.00 in (1960) |
| May 7 | 90.0°F (1949) | 36.0°F (1989) | 1.69 in (1938) |
| May 8 | 91.9°F (1962) | 36.0°F (2010) | 3.27 in (1939) |
| May 9 | 93.9°F (2018) | 34.0°F (2020) | 4.85 in (2000) |
| May 10 | 91.9°F (1962) | 39.0°F (1997) | 2.00 in (1959) |
| May 11 | 93.0°F (1980) | 36.0°F (1952) | 1.61 in (2017) |
| May 12 | 91.0°F (1956) | 35.1°F (1946) | 1.82 in (1966) |
| May 13 | 93.0°F (1956) | 37.9°F (1960) | 2.05 in (1939) |
| May 14 | 93.0°F (2013) | 39.9°F (1920) | 1.86 in (1923) |
| May 15 | 91.0°F (1966) | 37.0°F (2014) | 1.25 in (1920) |
| May 16 | 98.1°F (1931) | 33.1°F (2014) | 2.88 in (2021) |
| May 17 | 97.0°F (1931) | 37.9°F (2011) | 2.18 in (2002) |
| May 18 | 96.1°F (1987) | 39.9°F (1976) | 2.25 in (1927) |
| May 19 | 91.9°F (1987) | 43.0°F (1925) | 1.80 in (2013) |
| May 20 | 98.1°F (2006) | 37.9°F (1981) | 5.03 in (2019) |
| May 21 | 96.1°F (1925) | 39.0°F (1968) | 2.25 in (2019) |
| May 22 | 93.0°F (1921) | 41.0°F (1931) | 1.76 in (2019) |
| May 23 | 95.0°F (1939) | 39.9°F (1931) | 2.33 in (1952) |
| May 24 | 95.0°F (1921) | 43.0°F (1935) | 1.47 in (2022) |
| May 25 | 95.0°F (1920) | 41.0°F (1925) | 2.63 in (2016) |
| May 26 | 98.1°F (2006) | 39.0°F (1925) | 2.00 in (1931) |
| May 27 | 93.9°F (1921) | 37.9°F (1961) | 2.10 in (1976) |
| May 28 | 97.0°F (1921) | 46.9°F (1934) | 2.78 in (1987) |
| May 29 | 96.1°F (1921) | 39.0°F (1947) | 1.60 in (1960) |
| May 30 | 98.1°F (1934) | 41.0°F (1947) | 3.15 in (1967) |
| May 31 | 100.0°F (1934) | 41.0°F (1928) | 1.30 in (1999) |