May weather in St. Charles, MN
The average temperature in St. Charles in May is °F (°F–°F). Average precipitation: 4.82 inches. Average snowfall is 0.6 inches.
May is a spring month in St. Charles, and is cooler than the annual average of 0°F. Expect about 14 days with precipitation. Daylight averages about 14h 33m.
Avg High
°F
Avg Low
°F
Precipitation
4.82 in
Snow
0.6 in
May records in St. Charles
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | — | — | 1.11 in (2013) |
| May 2 | — | — | 1.38 in (2013) |
| May 3 | — | — | 0.92 in (2021) |
| May 4 | — | — | 1.25 in (2018) |
| May 5 | — | — | 0.55 in (2012) |
| May 6 | — | — | 1.20 in (2012) |
| May 7 | — | — | 0.60 in (2024) |
| May 8 | — | — | 1.05 in (2004) |
| May 9 | — | — | 1.28 in (2019) |
| May 10 | — | — | 1.30 in (2004) |
| May 11 | — | — | 0.70 in (2018) |
| May 12 | — | — | 1.16 in (2014) |
| May 13 | — | — | 1.15 in (2005) |
| May 14 | — | — | 0.97 in (2004) |
| May 15 | — | — | 0.45 in (2025) |
| May 16 | — | — | 4.94 in (2017) |
| May 17 | — | — | 1.34 in (2020) |
| May 18 | — | — | 2.20 in (2020) |
| May 19 | — | — | 1.42 in (2005) |
| May 20 | — | — | 3.33 in (2013) |
| May 21 | — | — | 1.20 in (2025) |
| May 22 | — | — | 0.85 in (2004) |
| May 23 | — | — | 0.61 in (2004) |
| May 24 | — | — | 0.89 in (2007) |
| May 25 | — | — | 0.86 in (2022) |
| May 26 | — | — | 1.60 in (2016) |
| May 27 | — | — | 1.27 in (2012) |
| May 28 | — | — | 2.27 in (2019) |
| May 29 | — | — | 0.90 in (2004) |
| May 30 | — | — | 1.47 in (2008) |
| May 31 | — | — | 0.95 in (2007) |