Greeley, Saturday, 8 August, 20:33
Overcast. Feels like 84°. High 99°, low 68°.
In December, Greeley, CO averages a high of 39.6° and a low of 19°. About 0.6 inches of precipitation fall over the month (3 wet days). The record high is 69.4° (2021) and the record low -28.7° (1990). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 42.4° | 21° | 12% | 69.4° (2021) | -5.8° (1985) |
| 2 | 43.3° | 21.9° | 5% | 66° (2021) | -5.3° (1985) |
| 3 | 42.1° | 21.9° | 12% | 59.7° (1998) | -1.8° (1978) |
| 4 | 43.3° | 21.2° | 7% | 61.5° (1989) | -0.2° (2013) |
| 5 | 42.4° | 21° | 12% | 65.1° (2012) | -17.9° (1972) |
| 6 | 39° | 19.9° | 10% | 57.7° (1991) | -27.9° (1972) |
| 7 | 40.3° | 20.1° | 13% | 59.9° (1987) | -18.6° (1972) |
| 8 | 39.9° | 19.6° | 17% | 57.4° (1970) | -14.3° (1972) |
| 9 | 40.5° | 19.2° | 15% | 60.3° (2015) | -14.6° (1978) |
| 10 | 41.7° | 19.6° | 7% | 60.4° (1990) | -17.3° (1972) |
| 11 | 42.1° | 20.5° | 13% | 66.6° (2025) | -15.2° (1972) |
| 12 | 40.5° | 20.1° | 7% | 57.4° (2017) | -11° (1985) |
| 13 | 40.3° | 20.3° | 12% | 58.3° (2010) | -6.2° (1972) |
| 14 | 40.6° | 19.9° | 13% | 58.3° (1977) | -9.4° (1972) |
| 15 | 39.6° | 19.4° | 7% | 59° (1980) | -7.4° (1972) |
| 16 | 39.4° | 19° | 10% | 63° (2025) | -0.8° (1972) |
| 17 | 39.7° | 19.4° | 10% | 63.7° (1980) | -6.2° (2016) |
| 18 | 38.5° | 19° | 10% | 56.7° (2013) | -9° (2016) |
| 19 | 39.4° | 18.9° | 10% | 65.7° (2025) | 2.5° (2016) |
| 20 | 39.2° | 18.9° | 10% | 59° (2017) | -7.1° (1990) |
| 21 | 38.8° | 17.8° | 17% | 57.6° (2018) | -19.5° (1990) |
| 22 | 37° | 16.7° | 7% | 61.3° (1964) | -28.7° (1990) |
| 23 | 37° | 17.6° | 15% | 64.2° (1964) | -20.9° (2022) |
| 24 | 37.2° | 16.9° | 15% | 59.9° (2025) | -18.6° (1983) |
| 25 | 38.5° | 17.4° | 17% | 69.3° (2025) | -16.8° (1983) |
| 26 | 38.8° | 18.5° | 12% | 59.7° (1980) | -1.7° (1982) |
| 27 | 38.7° | 18.1° | 10% | 62.4° (1980) | -4° (1988) |
| 28 | 38.7° | 18° | 10% | 57° (1999) | -4.9° (1983) |
| 29 | 36.5° | 16.5° | 8% | 56.8° (2011) | -18° (1983) |
| 30 | 37° | 15.8° | 12% | 61.9° (1980) | -10.5° (1990) |
| 31 | 35.1° | 14.9° | 13% | 57.6° (1996) | -17.9° (2014) |