May weather in Glenham, SD
The average temperature in Glenham in May is 57.6°F (45.0°F–70.2°F). Average precipitation: 2.94 inches.
May is a spring month in Glenham, and is warmer than the annual average of 46.4°F. Daily temperatures swing about 25.2°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 42m. For travel, May is a comfortable month to visit.
Avg High
70.2°F
Avg Low
45.0°F
Precipitation
2.94 in
Daylight
14h 42m
May records in Glenham
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (2021) | 24.1°F (2002) | 0.32 in (2008) |
| May 2 | 90.0°F (2015) | 19.2°F (2013) | 0.42 in (2016) |
| May 3 | 82.0°F (2004) | 15.1°F (2005) | 1.52 in (1999) |
| May 4 | 84.0°F (2018) | 21.2°F (2013) | 1.09 in (1999) |
| May 5 | 88.0°F (2000) | 27.1°F (2013) | 1.21 in (1999) |
| May 6 | 82.9°F (2016) | 30.2°F (2021) | 1.04 in (2023) |
| May 7 | 91.0°F (2017) | 28.2°F (2019) | 1.20 in (2000) |
| May 8 | 86.0°F (2004) | 27.1°F (2020) | 1.22 in (2021) |
| May 9 | 84.9°F (2011) | 29.1°F (2020) | 1.10 in (1999) |
| May 10 | 89.1°F (2025) | 25.0°F (2002) | 2.48 in (2015) |
| May 11 | 93.0°F (2025) | 25.2°F (2020) | 0.60 in (2015) |
| May 12 | 96.1°F (2025) | 28.2°F (2006) | 1.28 in (2005) |
| May 13 | 93.0°F (2013) | 30.2°F (2006) | 0.37 in (2023) |
| May 14 | 87.1°F (2001) | 26.1°F (2004) | 0.63 in (1999) |
| May 15 | 87.1°F (2019) | 28.0°F (2005) | 2.65 in (2025) |
| May 16 | 87.1°F (2018) | 27.1°F (2009) | 0.50 in (2025) |
| May 17 | 91.9°F (2012) | 32.0°F (2002) | 3.21 in (2015) |
| May 18 | 93.9°F (2006) | 32.0°F (2002) | 1.22 in (2013) |
| May 19 | 87.1°F (2021) | 31.1°F (2015) | 0.89 in (2013) |
| May 20 | 84.0°F (2005) | 26.1°F (2003) | 1.10 in (2011) |
| May 21 | 87.1°F (2007) | 36.0°F (2015) | 0.74 in (2010) |
| May 22 | 87.1°F (2006) | 32.0°F (2022) | 0.96 in (2016) |
| May 23 | 89.1°F (2006) | 28.0°F (2002) | 0.59 in (1998) |
| May 24 | 87.1°F (2018) | 24.1°F (2002) | 0.95 in (2020) |
| May 25 | 90.0°F (2018) | 35.1°F (2000) | 0.70 in (2005) |
| May 26 | 98.1°F (2006) | 37.9°F (2007) | 0.63 in (2013) |
| May 27 | 97.0°F (2006) | 37.0°F (2007) | 0.97 in (2013) |
| May 28 | 90.0°F (2010) | 36.0°F (2008) | 0.56 in (2012) |
| May 29 | 89.1°F (2002) | 37.9°F (2012) | 0.38 in (2009) |
| May 30 | 91.9°F (2002) | 33.1°F (2012) | 0.88 in (2022) |
| May 31 | 93.0°F (2018) | 32.0°F (2012) | 0.61 in (2014) |