May weather in Sinclair, WY
The average temperature in Sinclair in May is 49.8°F (35.5°F–64.2°F). Average precipitation: 1.46 inches.
May is a spring month in Sinclair, and is warmer than the annual average of 43.1°F. Daily temperatures swing about 28.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 22m. For travel, May is cool.
Avg High
64.2°F
Avg Low
35.5°F
Precipitation
1.46 in
Daylight
14h 22m
May records in Sinclair
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 78.1°F (2021) | 15.1°F (1967) | 0.20 in (1988) |
| May 2 | 75.9°F (1986) | 10.2°F (2013) | 0.90 in (2009) |
| May 3 | 79.0°F (2000) | 18.0°F (2008) | 1.32 in (1995) |
| May 4 | 79.0°F (2000) | 23.0°F (2010) | 1.01 in (1969) |
| May 5 | 81.0°F (2000) | 16.0°F (2010) | 0.51 in (1993) |
| May 6 | 81.0°F (2017) | 21.0°F (1999) | 0.77 in (1998) |
| May 7 | 79.0°F (2021) | 19.9°F (1984) | 0.36 in (1965) |
| May 8 | 75.9°F (1977) | 16.0°F (2002) | 0.54 in (1957) |
| May 9 | 79.0°F (1977) | 10.9°F (2002) | 0.50 in (1980) |
| May 10 | 78.1°F (2004) | 12.9°F (2006) | 0.69 in (2003) |
| May 11 | 79.0°F (2007) | 19.0°F (2006) | 0.45 in (1980) |
| May 12 | 82.0°F (1960) | 19.9°F (1953) | 0.44 in (2010) |
| May 13 | 82.0°F (2013) | 19.0°F (1953) | 0.76 in (1965) |
| May 14 | 81.0°F (2013) | 23.0°F (1956) | 1.39 in (1977) |
| May 15 | 81.0°F (2012) | 21.9°F (1983) | 1.58 in (1991) |
| May 16 | 82.0°F (1988) | 27.0°F (1955) | 0.44 in (1991) |
| May 17 | 79.0°F (1997) | 24.1°F (1955) | 1.66 in (2000) |
| May 18 | 82.0°F (2009) | 25.0°F (1966) | 0.45 in (2017) |
| May 19 | 82.9°F (2006) | 24.1°F (1966) | 0.45 in (2015) |
| May 20 | 86.0°F (1954) | 19.9°F (2001) | 0.23 in (2024) |
| May 21 | 81.0°F (1964) | 18.1°F (2022) | 0.51 in (1975) |
| May 22 | 82.0°F (2012) | 25.2°F (2022) | 0.88 in (1981) |
| May 23 | 82.0°F (1984) | 25.0°F (1966) | 0.47 in (2015) |
| May 24 | 80.1°F (1967) | 27.0°F (1995) | 1.27 in (1996) |
| May 25 | 82.0°F (2018) | 24.3°F (2022) | 0.68 in (1996) |
| May 26 | 84.9°F (2018) | 26.1°F (1975) | 0.47 in (1967) |
| May 27 | 82.9°F (1969) | 28.0°F (1952) | 1.06 in (1992) |
| May 28 | 86.0°F (2003) | 24.1°F (1995) | 1.01 in (1975) |
| May 29 | 84.9°F (2003) | 25.0°F (1954) | 0.38 in (1990) |
| May 30 | 87.1°F (2002) | 26.1°F (2006) | 0.51 in (1971) |
| May 31 | 88.0°F (2002) | 27.0°F (1985) | 0.50 in (1991) |