Theresa, Sunday, 9 August, 06:16
Overcast. Feels like 59°. High 77°, low 59°.
In December, Theresa, WI averages a high of 30.8° and a low of 18.4°. About 2.0 inches of precipitation fall over the month (8 wet days). The record high is 63.9° (2001) and the record low -25.2° (1983). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 34.7° | 23.9° | 32% | 57.2° (1970) | 2.5° (2025) |
| 2 | 35.6° | 23.4° | 23% | 63.7° (1982) | -0.6° (1976) |
| 3 | 34.7° | 23° | 32% | 63.1° (1982) | -7.2° (1985) |
| 4 | 34.2° | 22.3° | 27% | 58.3° (2017) | -4.4° (2025) |
| 5 | 34.7° | 22.1° | 32% | 63.9° (2001) | -2.6° (2005) |
| 6 | 32.2° | 19.8° | 28% | 54.3° (1998) | -6.5° (2007) |
| 7 | 30.2° | 19.4° | 27% | 47.8° (1963) | -9.2° (1972) |
| 8 | 31.6° | 19.9° | 25% | 53.2° (2023) | -5.6° (2005) |
| 9 | 32° | 19.8° | 45% | 47.3° (1993) | -11° (1995) |
| 10 | 31.1° | 19.2° | 25% | 55.4° (2015) | -9.4° (1978) |
| 11 | 29.8° | 17.4° | 23% | 50.2° (1979) | -13.7° (1972) |
| 12 | 31.5° | 17.4° | 17% | 53.1° (1991) | -9.4° (1995) |
| 13 | 32.2° | 18.5° | 20% | 59.7° (2015) | -14.1° (1986) |
| 14 | 32.2° | 20.5° | 30% | 56.5° (2015) | -13.4° (1985) |
| 15 | 32.7° | 20.3° | 32% | 63.9° (2021) | -9.9° (2010) |
| 16 | 31.3° | 19.4° | 38% | 61.9° (2021) | -7.8° (1989) |
| 17 | 28.8° | 17.8° | 13% | 46.8° (1977) | -10.5° (1972) |
| 18 | 28.9° | 16.2° | 17% | 50.7° (2002) | -15.2° (1983) |
| 19 | 28.9° | 17.4° | 23% | 49.5° (2002) | -25.2° (1983) |
| 20 | 29.3° | 17.1° | 30% | 49.1° (1988) | -15.2° (1985) |
| 21 | 29.3° | 16.7° | 27% | 55° (1967) | -22.4° (1989) |
| 22 | 30° | 17.2° | 27% | 47.1° (2023) | -17.3° (1989) |
| 23 | 29.8° | 18° | 33% | 54.9° (2015) | -19.1° (1989) |
| 24 | 27.9° | 14.5° | 30% | 53.1° (2023) | -22.5° (1983) |
| 25 | 26.1° | 13.6° | 23% | 54.3° (1982) | -18° (1983) |
| 26 | 27.5° | 13.8° | 23% | 50.4° (2016) | -16.1° (1962) |
| 27 | 29.5° | 16° | 25% | 51.3° (2008) | -11.4° (1996) |
| 28 | 30.9° | 17.6° | 37% | 58.5° (1984) | -12.3° (1961) |
| 29 | 29.8° | 17.1° | 23% | 58.5° (1984) | -11.6° (1963) |
| 30 | 28.9° | 15.1° | 28% | 51.8° (2022) | -18° (2013) |
| 31 | 28° | 14.9° | 25% | 55.4° (1965) | -17.9° (1963) |