May weather in Kirby, WY
The average temperature in Kirby in May is 52.0°F (36.5°F–67.6°F). Average precipitation: 2.43 inches. Average snowfall is 0.8 inches.
May is a spring month in Kirby, and is warmer than the annual average of 42.6°F. Daily temperatures swing about 31.1°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 32m. For travel, May is cool.
Avg High
67.6°F
Avg Low
36.5°F
Precipitation
2.43 in
Snow
0.8 in
May records in Kirby
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.9°F (2021) | 19.0°F (2011) | 1.36 in (2018) |
| May 2 | 82.0°F (2023) | 19.0°F (2025) | 0.36 in (2003) |
| May 3 | 82.9°F (2023) | 21.9°F (2013) | 0.27 in (2021) |
| May 4 | 81.0°F (2023) | 12.9°F (2024) | 0.70 in (2003) |
| May 5 | 80.1°F (2025) | 12.9°F (2024) | 1.65 in (1993) |
| May 6 | 81.0°F (2016) | 19.0°F (2011) | 0.89 in (2025) |
| May 7 | 82.0°F (2017) | 27.0°F (2010) | 0.46 in (2016) |
| May 8 | 82.9°F (2021) | 16.0°F (2014) | 0.88 in (2003) |
| May 9 | 78.1°F (2025) | 24.1°F (2021) | 0.52 in (1992) |
| May 10 | 82.9°F (2012) | 23.0°F (2022) | 0.90 in (2011) |
| May 11 | 82.0°F (2025) | 19.0°F (2014) | 1.00 in (2005) |
| May 12 | 82.9°F (2025) | 24.1°F (2015) | 1.16 in (2018) |
| May 13 | 87.1°F (2007) | 21.9°F (2009) | 0.82 in (2010) |
| May 14 | 90.0°F (2013) | 21.0°F (2014) | 0.86 in (2024) |
| May 15 | 88.0°F (2013) | 28.0°F (2009) | 0.40 in (2023) |
| May 16 | 84.9°F (2012) | 32.0°F (2010) | 0.40 in (1999) |
| May 17 | 84.0°F (2006) | 27.0°F (2009) | 0.71 in (2000) |
| May 18 | 84.0°F (2006) | 30.0°F (2024) | 0.31 in (2011) |
| May 19 | 90.0°F (2009) | 32.0°F (2024) | 0.52 in (2012) |
| May 20 | 91.9°F (2009) | 28.0°F (2022) | 0.96 in (2011) |
| May 21 | 84.9°F (2006) | 30.9°F (2009) | 1.20 in (2011) |
| May 22 | 86.0°F (2006) | 24.1°F (2022) | 1.40 in (2008) |
| May 23 | 86.0°F (2006) | 27.0°F (2022) | 1.57 in (2008) |
| May 24 | 81.0°F (2023) | 28.0°F (2024) | 0.56 in (1996) |
| May 25 | 82.0°F (2017) | 30.0°F (2022) | 0.65 in (1996) |
| May 26 | 86.0°F (2018) | 30.9°F (2007) | 0.58 in (1996) |
| May 27 | 93.9°F (2018) | 30.0°F (2011) | 1.47 in (2008) |
| May 28 | 84.0°F (2010) | 30.0°F (2011) | 1.83 in (2019) |
| May 29 | 87.1°F (2014) | 36.0°F (2012) | 0.91 in (2019) |
| May 30 | 86.0°F (2020) | 32.0°F (2006) | 1.07 in (2011) |
| May 31 | 90.0°F (2020) | 30.0°F (2013) | 0.96 in (2022) |