Letcher, Wednesday, 7 October, 03:16
Mostly clear. Feels like 48°. High 79°, low 49°.
In November, Letcher, SD averages a high of 43.6° and a low of 27.8°. About 1.2 inches of precipitation fall over the month (5 wet days). The record high is 79° (2020) and the record low -10.8° (1986). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 51.1° | 35.2° | 22% | 73.4° (1990) | 14.4° (2002) |
| 2 | 50.9° | 34.3° | 8% | 74.5° (2022) | 10.6° (1991) |
| 3 | 50.4° | 34.7° | 13% | 74.8° (1978) | 7.5° (1991) |
| 4 | 50.5° | 32.4° | 8% | 72° (1978) | -6.5° (1991) |
| 5 | 50.7° | 33.4° | 20% | 74.1° (2001) | 12.9° (2003) |
| 6 | 49.6° | 32.9° | 13% | 79° (2020) | 2.5° (2003) |
| 7 | 50.2° | 32.2° | 10% | 75° (2020) | 2.3° (1990) |
| 8 | 48.6° | 32.2° | 17% | 75.6° (1999) | 6.3° (1991) |
| 9 | 46.2° | 31.5° | 23% | 69.1° (1999) | 11.5° (2018) |
| 10 | 44.6° | 28.2° | 20% | 64.8° (2016) | 0.9° (1986) |
| 11 | 43.2° | 27.5° | 15% | 68.7° (2005) | -5.4° (1986) |
| 12 | 43.3° | 27.3° | 20% | 67.1° (1999) | -0° (1966) |
| 13 | 46.2° | 28.6° | 17% | 71.6° (1999) | -10.8° (1986) |
| 14 | 45.3° | 29.8° | 18% | 75.4° (2025) | 4.6° (2014) |
| 15 | 45° | 28.6° | 23% | 64.9° (2001) | 2.3° (2000) |
| 16 | 45.7° | 28.2° | 8% | 71.1° (2001) | -1.3° (2014) |
| 17 | 43.7° | 28.2° | 17% | 67.8° (2001) | 3.7° (1996) |
| 18 | 43.5° | 27.5° | 22% | 64.6° (2020) | -4.2° (1996) |
| 19 | 42.4° | 28.2° | 27% | 63.1° (2003) | 8.4° (1985) |
| 20 | 41° | 26.2° | 13% | 67.6° (1962) | -3.5° (1985) |
| 21 | 40.8° | 24.6° | 12% | 66.9° (1960) | -8° (1985) |
| 22 | 41° | 24.6° | 18% | 63.3° (1974) | 2.1° (1975) |
| 23 | 39.6° | 24.1° | 13% | 58.5° (2025) | -7.8° (1985) |
| 24 | 40.3° | 23.5° | 7% | 64° (1990) | -10.8° (1985) |
| 25 | 38.3° | 23.5° | 8% | 65.7° (1960) | -2.7° (1975) |
| 26 | 35.6° | 22.5° | 28% | 59° (1998) | -8.7° (1996) |
| 27 | 34.7° | 20.8° | 27% | 65.3° (2017) | -5.4° (1985) |
| 28 | 35.2° | 20.1° | 17% | 57.4° (1998) | -8.5° (1985) |
| 29 | 36° | 22.1° | 20% | 58.5° (1998) | -7.1° (1985) |
| 30 | 35.1° | 21.7° | 13% | 54.9° (1995) | -8.7° (1960) |