Fremont, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.7 °C (low) to 20.4 °C (high). Annual precipitation averages 1224.5 Millimeters. Fremont is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.2 °C | 7.1 °C | 75.69 mm |
| February | -3.6 °C | 9.8 °C | 75.69 mm |
| March | 1 °C | 15.3 °C | 108.46 mm |
| April | 6.4 °C | 21.5 °C | 137.41 mm |
| May | 11.8 °C | 25.3 °C | 135.89 mm |
| June | 16.7 °C | 29.7 °C | 101.6 mm |
| July | 18.9 °C | 31.8 °C | 99.82 mm |
| August | 18.1 °C | 31.7 °C | 94.74 mm |
| September | 13.2 °C | 27.6 °C | 98.3 mm |
| October | 6.2 °C | 21.6 °C | 93.73 mm |
| November | 0.8 °C | 14.6 °C | 112.52 mm |
| December | -3.4 °C | 8.5 °C | 90.68 mm |
| Annual | 6.7 °C | 20.4 °C | 1224.53 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |