Latham, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.2 °F (low) to 67.6 °F (high). Annual precipitation averages 38.8 Inches. Latham is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.9 °F | 42.9 °F | 0.95 in. |
| February | 24.4 °F | 47.3 °F | 1.42 in. |
| March | 34.1 °F | 58.1 °F | 2.64 in. |
| April | 43.5 °F | 67.6 °F | 3.7 in. |
| May | 54.9 °F | 76.0 °F | 5.99 in. |
| June | 64.6 °F | 85.5 °F | 5.58 in. |
| July | 68.7 °F | 90.6 °F | 4.03 in. |
| August | 67.0 °F | 89.2 °F | 4.09 in. |
| September | 58.9 °F | 82.5 °F | 3.44 in. |
| October | 46.2 °F | 70.3 °F | 3.35 in. |
| November | 34.1 °F | 56.5 °F | 2.06 in. |
| December | 24.6 °F | 44.7 °F | 1.51 in. |
| Annual | 45.2 °F | 67.6 °F | 38.76 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |