San Luis, Wednesday, 7 October, 03:46
Overcast. Feels like 48°. High 73°, low 47°.
In December, San Luis, CO averages a high of 35° and a low of 16.2°. About 0.8 inches of precipitation fall over the month (5 wet days). The record high is 57.4° (2021) and the record low -16.1° (1990). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 38.1° | 18.7° | 12% | 54.3° (1995) | -1.8° (2019) |
| 2 | 38.5° | 19.6° | 13% | 57.4° (2021) | 2.3° (2018) |
| 3 | 38.3° | 20.1° | 18% | 53.1° (2021) | 3° (2009) |
| 4 | 38.8° | 20.3° | 17% | 51.6° (1989) | -6.7° (2009) |
| 5 | 38.1° | 19.6° | 12% | 52.9° (1965) | 0.3° (1971) |
| 6 | 37.4° | 19.2° | 17% | 51.3° (1965) | -4.9° (1983) |
| 7 | 37.2° | 19° | 17% | 53.1° (1981) | -4.2° (1978) |
| 8 | 36.7° | 19.2° | 23% | 53.6° (1981) | -10.3° (1978) |
| 9 | 35.6° | 17.1° | 22% | 54.9° (1981) | -13.2° (1978) |
| 10 | 36.1° | 15.3° | 15% | 50.9° (1981) | -6.9° (2013) |
| 11 | 36.5° | 18° | 13% | 50.9° (2025) | -7.2° (1985) |
| 12 | 36.3° | 16.9° | 20% | 50.7° (2025) | -13.7° (1961) |
| 13 | 34.7° | 17.1° | 18% | 49.6° (1962) | -5.3° (1964) |
| 14 | 34.5° | 15.6° | 22% | 49.8° (2010) | -3.3° (1992) |
| 15 | 33.6° | 14.5° | 20% | 49.5° (1969) | -3.3° (2008) |
| 16 | 34.5° | 14.7° | 18% | 50.9° (1980) | -4° (2020) |
| 17 | 35.4° | 15.3° | 13% | 54.3° (1980) | -10.7° (2019) |
| 18 | 34.7° | 16° | 17% | 50.4° (1980) | -9.9° (1996) |
| 19 | 34.5° | 15.6° | 12% | 51.6° (2025) | -2.9° (1968) |
| 20 | 34.7° | 15.1° | 13% | 53.2° (2025) | -4.7° (2012) |
| 21 | 34.5° | 15.4° | 15% | 51.8° (2025) | -3.8° (1967) |
| 22 | 32.7° | 15.8° | 27% | 57.2° (2025) | -6.5° (1967) |
| 23 | 32° | 14.2° | 23% | 51.8° (2025) | -14.6° (1990) |
| 24 | 32.7° | 12.6° | 15% | 55.9° (2025) | -16.1° (1990) |
| 25 | 33.3° | 13.6° | 18% | 51.1° (2025) | -10.1° (1974) |
| 26 | 33.4° | 14.4° | 20% | 52° (1980) | -11.2° (2015) |
| 27 | 32.7° | 14.4° | 20% | 56.8° (1980) | -6.2° (2009) |
| 28 | 32.2° | 13.8° | 25% | 51.3° (1980) | -5.1° (1988) |
| 29 | 32.5° | 13.3° | 27% | 48.2° (2017) | -9.6° (1982) |
| 30 | 32° | 13.3° | 13% | 50.9° (2017) | -8.7° (2014) |
| 31 | 31.8° | 13.3° | 10% | 52.2° (1980) | -9.4° (1974) |