March weather in Letcher, SD
The average temperature in Letcher in March is 34.8°F (24.3°F–45.4°F). Average precipitation: 0.93 inches.
March is a spring month in Letcher, and is cooler than the annual average of 47.7°F. Daily temperatures swing about 21.1°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 11h 41m. For travel, March is cool.
Avg High
45.4°F
Avg Low
24.3°F
Precipitation
0.93 in
Daylight
11h 41m
March records in Letcher
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 71.1°F (2024) | -11.7°F (2009) | 0.27 in (2019) |
| March 2 | 60.1°F (2021) | -15.9°F (2014) | 0.10 in (2007) |
| March 3 | 66.9°F (2000) | -17.9°F (2019) | 0.13 in (2009) |
| March 4 | 69.1°F (2000) | -3.8°F (2019) | 0.27 in (2008) |
| March 5 | 73.9°F (2000) | -8.9°F (2015) | 0.48 in (2018) |
| March 6 | 75.0°F (2000) | -2.7°F (2019) | 0.12 in (2026) |
| March 7 | 78.1°F (2000) | -5.8°F (2008) | 0.07 in (2025) |
| March 8 | 75.9°F (2026) | 1.9°F (2003) | 0.77 in (2000) |
| March 9 | 78.1°F (2021) | -0.9°F (2003) | 0.63 in (2013) |
| March 10 | 75.9°F (2012) | -2.7°F (2022) | 0.55 in (2021) |
| March 11 | 80.1°F (2016) | -4.9°F (2009) | 0.09 in (2010) |
| March 12 | 78.1°F (2015) | -4.9°F (2022) | 0.22 in (2017) |
| March 13 | 82.0°F (2012) | 4.1°F (2017) | 2.16 in (2019) |
| March 14 | 72.0°F (2016) | 12.9°F (2005) | 0.56 in (2021) |
| March 15 | 82.0°F (2015) | 5.0°F (2026) | 0.64 in (2021) |
| March 16 | 84.0°F (2012) | -4.0°F (2026) | 0.65 in (2018) |
| March 17 | 80.1°F (2012) | 6.1°F (2026) | 0.05 in (2026) |
| March 18 | 88.0°F (2012) | 5.2°F (2023) | 0.32 in (2014) |
| March 19 | 80.1°F (2004) | 6.1°F (2002) | 0.28 in (2020) |
| March 20 | 82.9°F (2026) | 0.0°F (2002) | 0.05 in (2011) |
| March 21 | 84.9°F (2026) | 1.0°F (2002) | 0.01 in (2023) |
| March 22 | 68.0°F (2003) | 0.0°F (2002) | 1.16 in (2009) |
| March 23 | 78.1°F (2003) | 3.9°F (2002) | 1.29 in (2021) |
| March 24 | 78.1°F (2004) | 9.0°F (2002) | 0.37 in (2007) |
| March 25 | 82.9°F (2026) | 1.9°F (2002) | 0.17 in (2024) |
| March 26 | 84.9°F (2012) | 5.0°F (2002) | 0.04 in (2008) |
| March 27 | 71.1°F (2025) | 7.2°F (2024) | 0.45 in (2014) |
| March 28 | 75.0°F (2025) | 13.1°F (2024) | 0.31 in (2020) |
| March 29 | 84.9°F (2021) | 13.1°F (2023) | 0.64 in (2025) |
| March 30 | 79.0°F (2010) | 21.9°F (2003) | 0.65 in (2007) |
| March 31 | 82.9°F (2012) | 15.3°F (2021) | 1.01 in (2007) |