May weather in Bluffton, MN
The average temperature in Bluffton in May is 53.0°F (42.2°F–63.8°F). Average precipitation: 3.33 inches.
May is a spring month in Bluffton, and is warmer than the annual average of 39.8°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 48m. For travel, May is a comfortable month to visit.
Avg High
63.8°F
Avg Low
42.2°F
Precipitation
3.33 in
Daylight
14h 48m
May records in Bluffton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 73.0°F (2018) | 24.1°F (2011) | 0.55 in (2024) |
| May 2 | 82.9°F (2021) | 21.0°F (2013) | 0.55 in (2025) |
| May 3 | 77.0°F (2015) | 21.9°F (2005) | 0.43 in (2012) |
| May 4 | 72.0°F (2007) | 26.1°F (2014) | 0.42 in (1994) |
| May 5 | 79.0°F (2025) | 28.9°F (2008) | 0.56 in (2003) |
| May 6 | 84.9°F (2016) | 28.0°F (2019) | 1.12 in (1999) |
| May 7 | 87.1°F (2016) | 26.1°F (2019) | 0.65 in (2023) |
| May 8 | 87.1°F (2016) | 27.0°F (2020) | 1.06 in (2000) |
| May 9 | 77.0°F (2005) | 25.0°F (2010) | 1.00 in (2003) |
| May 10 | 82.0°F (2007) | 30.9°F (2014) | 1.60 in (2015) |
| May 11 | 78.1°F (2011) | 26.1°F (2021) | 0.91 in (2006) |
| May 12 | 90.0°F (2025) | 21.9°F (2013) | 1.39 in (2004) |
| May 13 | 88.0°F (2025) | 28.0°F (2010) | 0.86 in (1999) |
| May 14 | 87.1°F (2025) | 25.0°F (2016) | 0.87 in (1995) |
| May 15 | 88.0°F (2013) | 25.0°F (2016) | 0.34 in (2015) |
| May 16 | 75.9°F (2018) | 25.0°F (2014) | 1.60 in (1998) |
| May 17 | 86.0°F (2018) | 33.1°F (2007) | 0.88 in (2004) |
| May 18 | 84.0°F (2024) | 28.9°F (2019) | 1.17 in (2015) |
| May 19 | 90.0°F (2012) | 30.9°F (2015) | 0.95 in (2007) |
| May 20 | 75.9°F (2013) | 28.9°F (2015) | 1.60 in (2013) |
| May 21 | 84.9°F (2009) | 28.9°F (2015) | 1.06 in (2025) |
| May 22 | 82.0°F (2021) | 32.0°F (2006) | 1.63 in (2007) |
| May 23 | 84.0°F (2023) | 34.0°F (2022) | 0.75 in (2019) |
| May 24 | 86.0°F (2006) | 35.1°F (2009) | 2.56 in (1993) |
| May 25 | 86.0°F (2018) | 34.0°F (2007) | 0.75 in (2004) |
| May 26 | 88.0°F (2018) | 37.0°F (2021) | 1.18 in (2005) |
| May 27 | 89.1°F (2018) | 36.0°F (2007) | 4.22 in (2012) |
| May 28 | 88.0°F (2006) | 30.0°F (2021) | 0.99 in (2011) |
| May 29 | 97.0°F (2006) | 36.0°F (2021) | 0.89 in (2007) |
| May 30 | 87.1°F (2010) | 35.1°F (2015) | 1.37 in (2004) |
| May 31 | 84.9°F (2014) | 35.1°F (2015) | 1.17 in (2022) |