Peculiar, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.9 °F (low) to 65.2 °F (high). Annual precipitation averages 43.2 Inches. Peculiar 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 | 20.3 °F | 39.3 °F | 1.37 in. |
| February | 23.9 °F | 43.7 °F | 1.84 in. |
| March | 33.5 °F | 54.7 °F | 2.75 in. |
| April | 43.9 °F | 65.2 °F | 4.33 in. |
| May | 54.8 °F | 74.5 °F | 5.81 in. |
| June | 64.4 °F | 83.9 °F | 5.79 in. |
| July | 68.6 °F | 88.5 °F | 4.65 in. |
| August | 66.5 °F | 87.2 °F | 4.35 in. |
| September | 58.1 °F | 79.9 °F | 4.23 in. |
| October | 45.7 °F | 67.6 °F | 3.72 in. |
| November | 34.5 °F | 54.7 °F | 2.45 in. |
| December | 24.7 °F | 42.9 °F | 1.87 in. |
| Annual | 44.9 °F | 65.2 °F | 43.16 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |