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St. Thomas, MO Climate
1991 to 2020 normals at Jefferson City Wtp, 14 mi from the center of St. Thomas, elevation 650 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 40° | 21° | 2.21 in | 2.9 in | |
| February | 45° | 25° | 2.30 in | 2.9 in | |
| March | 56° | 34° | 3.24 in | 0.4 in | |
| April | 67° | 44° | 4.78 in | 0.0 in | |
| May | 75° | 55° | 5.17 in | 0.0 in | |
| June | 84° | 64° | 4.20 in | 0.0 in | |
| July | 88° | 69° | 4.35 in | 0.0 in | |
| August | 87° | 67° | 4.13 in | 0.0 in | |
| September | 80° | 58° | 4.24 in | 0.0 in | |
| October | 69° | 46° | 3.44 in | 0.0 in | |
| November | 55° | 35° | 3.24 in | 0.2 in | |
| December | 44° | 26° | 2.30 in | 2.5 in | |
| Year | 66° | 43.60 in | 8.9 in |
Frequently asked questions
- What is the hottest month in St. Thomas, MO?
- July is the warmest month, with a normal high of 88°F at Jefferson City Wtp.
- What is the coldest month in St. Thomas, MO?
- January is the coldest month, with a normal low of 21°F.
- What is the wettest month in St. Thomas, MO?
- May has the most precipitation on average, about 5.17 inches.