Thief River Falls, Sunday, 9 August, 05:25
Overcast. Feels like 59°. High 78°, low 59°.
In December, Thief River Falls, MN averages a high of 20° and a low of 4.9°. About 1.0 inches of precipitation fall over the month (7 wet days). The record high is 52.2° (1962) and the record low -40.4° (1990). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 25.7° | 12° | 22% | 52.2° (1962) | -21.5° (1978) |
| 2 | 23.5° | 10.2° | 20% | 50° (1982) | -26.5° (1978) |
| 3 | 24.4° | 10.9° | 22% | 50.5° (1962) | -27.9° (1972) |
| 4 | 25.5° | 10.6° | 22% | 42.8° (1982) | -27.2° (1991) |
| 5 | 23.5° | 8.6° | 23% | 41.4° (1979) | -19.3° (2000) |
| 6 | 21.2° | 5.4° | 20% | 45.5° (2023) | -32.1° (1972) |
| 7 | 21.2° | 7.2° | 12% | 45.7° (2023) | -25.4° (2013) |
| 8 | 21.6° | 7.7° | 23% | 42.3° (1990) | -22.4° (2013) |
| 9 | 21.4° | 6.6° | 23% | 44.6° (2015) | -25.4° (1977) |
| 10 | 19.4° | 4.3° | 18% | 37.9° (2015) | -33.3° (1977) |
| 11 | 20.1° | 3.6° | 13% | 38.7° (1998) | -27.8° (1995) |
| 12 | 21° | 4.6° | 22% | 40.8° (2004) | -30.5° (2000) |
| 13 | 21° | 4.8° | 22% | 43.2° (2014) | -25.6° (2010) |
| 14 | 21.6° | 6.4° | 18% | 41.9° (1998) | -24.2° (2000) |
| 15 | 21.4° | 7.5° | 20% | 42.8° (2018) | -27.4° (1961) |
| 16 | 21.6° | 6.3° | 23% | 44.2° (1962) | -28.3° (1972) |
| 17 | 19.9° | 6.1° | 25% | 37.8° (2004) | -29.9° (1983) |
| 18 | 19.8° | 3.4° | 20% | 40.8° (2011) | -34.6° (1983) |
| 19 | 18.9° | 2.7° | 23% | 37° (2018) | -39.1° (1983) |
| 20 | 18.5° | 3.4° | 25% | 39.4° (1979) | -34.8° (1983) |
| 21 | 18.7° | 2.8° | 25% | 37.4° (2003) | -28.5° (1989) |
| 22 | 18.9° | 4.8° | 23% | 38.5° (2019) | -29.4° (2000) |
| 23 | 17.6° | 2.5° | 25% | 39.4° (2023) | -30.8° (1983) |
| 24 | 15.8° | 0.9° | 13% | 38.5° (2023) | -28.7° (2000) |
| 25 | 16.3° | -0.2° | 13% | 41.5° (1999) | -30.1° (1996) |
| 26 | 18° | 1.6° | 22% | 45.9° (2011) | -40.4° (1990) |
| 27 | 20.5° | 5° | 22% | 38.8° (2003) | -31.7° (2017) |
| 28 | 19.9° | 4.6° | 23% | 37.9° (2003) | -24.7° (1970) |
| 29 | 15.6° | 1.2° | 22% | 39.9° (1999) | -27.2° (2013) |
| 30 | 14.7° | 0.5° | 35% | 32.9° (2002) | -33° (1990) |
| 31 | 12.9° | -2.7° | 28% | 34.3° (1991) | -39.8° (1967) |