May weather in Sheridan, MT
The average temperature in Sheridan in May is 49.7°F (36.9°F–62.4°F). Average precipitation: 1.79 inches.
May is a spring month in Sheridan, and is warmer than the annual average of 43°F. Daily temperatures swing about 25.5°F between overnight low and afternoon high. Daylight averages about 14h 42m. For travel, May is cool.
Avg High
62.4°F
Avg Low
36.9°F
Precipitation
1.79 in
Daylight
14h 42m
May records in Sheridan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 78.1°F (2023) | 17.1°F (2013) | 0.07 in (2018) |
| May 2 | 79.0°F (2023) | 21.9°F (2009) | 0.04 in (2021) |
| May 3 | 75.9°F (2017) | 25.0°F (2019) | 0.64 in (2022) |
| May 4 | 79.0°F (2017) | 25.0°F (2011) | 0.75 in (2025) |
| May 5 | 77.0°F (2016) | 18.0°F (2010) | 0.09 in (2014) |
| May 6 | 80.1°F (2021) | 21.9°F (2012) | 0.17 in (2017) |
| May 7 | 71.1°F (2013) | 21.0°F (2010) | 0.19 in (2021) |
| May 8 | 73.0°F (2018) | 21.0°F (2010) | 0.34 in (2021) |
| May 9 | 77.0°F (2012) | 25.0°F (2015) | 0.50 in (2014) |
| May 10 | 81.0°F (2025) | 23.0°F (2015) | 0.33 in (2012) |
| May 11 | 73.9°F (2017) | 23.0°F (2012) | 0.26 in (2023) |
| May 12 | 75.9°F (2013) | 27.0°F (2014) | 0.15 in (2015) |
| May 13 | 82.0°F (2013) | 24.1°F (2010) | 0.55 in (2017) |
| May 14 | 75.9°F (2012) | 27.0°F (2017) | 0.75 in (2025) |
| May 15 | 78.1°F (2012) | 28.9°F (2009) | 0.35 in (2016) |
| May 16 | 80.1°F (2009) | 32.0°F (2017) | 0.34 in (2015) |
| May 17 | 84.9°F (2009) | 26.1°F (2011) | 0.50 in (2019) |
| May 18 | 81.0°F (2009) | 26.1°F (2024) | 0.18 in (2010) |
| May 19 | 79.0°F (2009) | 28.0°F (2017) | 0.48 in (2016) |
| May 20 | 79.0°F (2023) | 30.0°F (2024) | 0.42 in (2021) |
| May 21 | 78.1°F (2012) | 25.0°F (2024) | 0.30 in (2016) |
| May 22 | 77.0°F (2014) | 30.9°F (2010) | 0.47 in (2023) |
| May 23 | 77.0°F (2014) | 28.0°F (2010) | 0.66 in (2024) |
| May 24 | 79.0°F (2017) | 30.0°F (2012) | 0.22 in (2009) |
| May 25 | 75.0°F (2025) | 21.0°F (2017) | 0.17 in (2019) |
| May 26 | 80.1°F (2025) | 32.0°F (2012) | 0.26 in (2023) |
| May 27 | 75.0°F (2014) | 32.0°F (2011) | 0.77 in (2012) |
| May 28 | 80.1°F (2014) | 30.9°F (2011) | 0.42 in (2010) |
| May 29 | 82.0°F (2025) | 32.0°F (2010) | 0.30 in (2022) |
| May 30 | 87.1°F (2020) | 32.0°F (2014) | 0.42 in (2013) |
| May 31 | 86.0°F (2025) | 30.0°F (2011) | 0.23 in (2010) |