May weather in Castle Dale, UT
The average temperature in Castle Dale in May is 57.0°F (39.5°F–74.6°F). Average precipitation: 0.72 inches.
May is a spring month in Castle Dale, and is warmer than the annual average of 48.9°F. Daily temperatures swing about 35.1°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 14h 9m. For travel, May is a comfortable month to visit.
Avg High
74.6°F
Avg Low
39.5°F
Precipitation
0.72 in
Daylight
14h 9m
May records in Castle Dale
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (1981) | 18.0°F (1991) | 0.32 in (2018) |
| May 2 | 82.0°F (1985) | 18.0°F (1906) | 0.81 in (2018) |
| May 3 | 86.0°F (2000) | 14.0°F (1913) | 0.70 in (1908) |
| May 4 | 88.0°F (2000) | 19.9°F (1913) | 0.65 in (1930) |
| May 5 | 87.1°F (2017) | 19.9°F (1991) | 0.57 in (2025) |
| May 6 | 89.1°F (1989) | 21.9°F (1999) | 0.33 in (1980) |
| May 7 | 87.1°F (1989) | 21.0°F (1968) | 0.87 in (1969) |
| May 8 | 86.0°F (1989) | 23.0°F (1904) | 0.69 in (1917) |
| May 9 | 88.0°F (2018) | 18.0°F (1991) | 0.24 in (2013) |
| May 10 | 87.1°F (1960) | 21.9°F (1905) | 1.12 in (1922) |
| May 11 | 89.1°F (1913) | 12.9°F (1922) | 0.46 in (2014) |
| May 12 | 91.0°F (1996) | 21.0°F (1905) | 0.98 in (1928) |
| May 13 | 91.0°F (1996) | 23.0°F (1986) | 1.07 in (1965) |
| May 14 | 88.0°F (1996) | 25.0°F (1913) | 0.42 in (1920) |
| May 15 | 88.0°F (2022) | 23.0°F (1913) | 0.50 in (1957) |
| May 16 | 88.0°F (1997) | 26.1°F (1962) | 0.40 in (1953) |
| May 17 | 90.0°F (1970) | 21.9°F (1903) | 0.44 in (2016) |
| May 18 | 90.0°F (2009) | 19.9°F (1902) | 0.62 in (2011) |
| May 19 | 89.1°F (1919) | 21.0°F (1902) | 1.00 in (1941) |
| May 20 | 90.0°F (1964) | 25.0°F (1959) | 0.35 in (1902) |
| May 21 | 89.1°F (1964) | 21.9°F (1902) | 0.58 in (1992) |
| May 22 | 89.1°F (1967) | 25.0°F (1975) | 0.34 in (1919) |
| May 23 | 90.0°F (1967) | 27.0°F (1903) | 0.82 in (1921) |
| May 24 | 89.1°F (2001) | 26.1°F (2024) | 1.00 in (1957) |
| May 25 | 88.0°F (1940) | 26.1°F (1990) | 0.70 in (1967) |
| May 26 | 91.0°F (2003) | 26.1°F (1903) | 0.28 in (1924) |
| May 27 | 95.0°F (2003) | 27.0°F (1993) | 1.65 in (1993) |
| May 28 | 97.0°F (2003) | 24.1°F (1903) | 0.32 in (1956) |
| May 29 | 91.9°F (2003) | 27.0°F (1927) | 0.48 in (1934) |
| May 30 | 96.1°F (2002) | 25.0°F (1906) | 0.86 in (1937) |
| May 31 | 96.1°F (2002) | 27.0°F (2022) | 0.84 in (1991) |