May weather in Big Piney, WY
The average temperature in Big Piney in May is 45.3°F (28.9°F–61.8°F). Average precipitation: 1.22 inches.
May is a spring month in Big Piney, and is warmer than the annual average of 36.5°F. Daily temperatures swing about 32.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 26m. For travel, May is cool.
Avg High
61.8°F
Avg Low
28.9°F
Precipitation
1.22 in
Daylight
14h 26m
May records in Big Piney
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 73.0°F (2023) | 7.2°F (2019) | 0.88 in (2002) |
| May 2 | 72.0°F (2000) | 10.2°F (2024) | 0.42 in (2009) |
| May 3 | 75.0°F (2000) | 0.0°F (2003) | 0.16 in (2024) |
| May 4 | 75.0°F (2004) | 13.1°F (2011) | 0.30 in (2023) |
| May 5 | 75.0°F (2016) | 10.2°F (2010) | 0.34 in (2005) |
| May 6 | 75.0°F (2017) | 12.0°F (2003) | 1.17 in (2016) |
| May 7 | 75.9°F (2021) | 12.2°F (2010) | 0.75 in (2016) |
| May 8 | 73.9°F (2001) | 16.0°F (2002) | 0.72 in (2017) |
| May 9 | 75.9°F (2018) | 10.9°F (2002) | 0.26 in (2011) |
| May 10 | 75.9°F (2025) | 14.2°F (2006) | 0.53 in (2000) |
| May 11 | 78.1°F (2007) | 16.0°F (1999) | 0.50 in (2005) |
| May 12 | 79.0°F (2007) | 18.0°F (2000) | 0.52 in (2018) |
| May 13 | 80.1°F (2013) | 18.0°F (2000) | 0.10 in (2023) |
| May 14 | 78.1°F (2012) | 18.1°F (2017) | 0.08 in (2004) |
| May 15 | 78.1°F (2012) | 24.3°F (2025) | 0.09 in (2016) |
| May 16 | 79.0°F (2006) | 19.2°F (2020) | 0.30 in (2016) |
| May 17 | 79.0°F (2006) | 19.0°F (1999) | 0.16 in (2013) |
| May 18 | 81.0°F (2006) | 20.1°F (2017) | 0.35 in (2025) |
| May 19 | 80.1°F (2009) | 17.1°F (2003) | 0.34 in (2016) |
| May 20 | 78.1°F (2006) | 20.1°F (2022) | 0.32 in (2016) |
| May 21 | 81.0°F (2012) | 12.9°F (2001) | 0.34 in (2007) |
| May 22 | 75.0°F (2000) | 20.1°F (2007) | 0.38 in (2006) |
| May 23 | 79.0°F (2001) | 19.9°F (2002) | 0.30 in (2018) |
| May 24 | 81.0°F (2001) | 19.2°F (2024) | 0.24 in (2011) |
| May 25 | 80.1°F (2001) | 21.0°F (2004) | 0.47 in (2000) |
| May 26 | 80.1°F (2003) | 24.1°F (2004) | 0.27 in (2008) |
| May 27 | 82.0°F (2003) | 25.2°F (2011) | 0.11 in (2016) |
| May 28 | 86.0°F (2003) | 25.2°F (2011) | 0.47 in (2013) |
| May 29 | 84.9°F (2003) | 24.3°F (2007) | 0.47 in (2005) |
| May 30 | 82.9°F (2020) | 21.2°F (2010) | 0.38 in (2005) |
| May 31 | 84.9°F (2002) | 22.1°F (2006) | 0.25 in (2022) |