May weather in Mills, WY
The average temperature in Mills in May is 53.8°F (40.6°F–67.1°F). Average precipitation: 2.74 inches.
May is a spring month in Mills, and is warmer than the annual average of 47.4°F. Daily temperatures swing about 26.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 27m. For travel, May is a comfortable month to visit.
Avg High
67.1°F
Avg Low
40.6°F
Precipitation
2.74 in
Daylight
14h 27m
May records in Mills
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.0°F (2021) | 18.0°F (2019) | 0.39 in (2008) |
| May 2 | 77.0°F (2021) | 25.0°F (2005) | 0.32 in (2002) |
| May 3 | 77.0°F (2007) | 24.1°F (2008) | 0.18 in (2001) |
| May 4 | 79.0°F (2023) | 25.0°F (2008) | 0.20 in (2020) |
| May 5 | 81.0°F (2004) | 28.9°F (2011) | 0.49 in (2007) |
| May 6 | 84.9°F (2004) | 32.0°F (2003) | 2.60 in (2007) |
| May 7 | 86.0°F (2017) | 19.0°F (2024) | 0.46 in (2015) |
| May 8 | 82.9°F (2004) | 10.0°F (2014) | 0.49 in (2019) |
| May 9 | 82.9°F (2004) | 26.1°F (2002) | 1.90 in (2016) |
| May 10 | 82.0°F (2012) | 24.1°F (2017) | 0.91 in (2024) |
| May 11 | 82.9°F (2025) | 30.0°F (2003) | 1.03 in (2015) |
| May 12 | 84.0°F (2007) | 25.0°F (2005) | 0.95 in (2005) |
| May 13 | 87.1°F (2001) | 26.1°F (2005) | 0.55 in (2008) |
| May 14 | 89.1°F (2001) | 28.0°F (2004) | 0.90 in (2018) |
| May 15 | 87.1°F (2013) | 30.0°F (2004) | 0.66 in (2023) |
| May 16 | 84.9°F (2012) | 33.1°F (2015) | 0.56 in (2016) |
| May 17 | 82.9°F (2022) | 35.1°F (2010) | 0.58 in (2021) |
| May 18 | 86.0°F (2012) | 35.1°F (2016) | 0.36 in (2017) |
| May 19 | 89.1°F (2009) | 30.9°F (2015) | 0.55 in (2025) |
| May 20 | 91.0°F (2009) | 28.9°F (2003) | 2.18 in (2019) |
| May 21 | 90.0°F (2005) | 19.9°F (2015) | 0.47 in (2024) |
| May 22 | 86.0°F (2006) | 30.0°F (2019) | 1.09 in (2008) |
| May 23 | 88.0°F (2006) | 19.9°F (2025) | 1.22 in (2008) |
| May 24 | 84.9°F (2003) | 30.9°F (2022) | 0.50 in (2015) |
| May 25 | 82.9°F (2013) | 35.1°F (2002) | 0.50 in (2015) |
| May 26 | 91.0°F (2006) | 36.0°F (2020) | 0.12 in (2009) |
| May 27 | 88.0°F (2018) | 37.9°F (2008) | 0.56 in (2012) |
| May 28 | 88.0°F (2010) | 37.9°F (2005) | 1.33 in (2019) |
| May 29 | 90.0°F (2014) | 37.0°F (2012) | 1.62 in (2018) |
| May 30 | 93.0°F (2003) | 36.0°F (2006) | 0.68 in (2005) |
| May 31 | 90.0°F (2002) | 32.0°F (2018) | 1.45 in (2022) |