Dawson, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.2 °F (low) to 63.7 °F (high). Annual precipitation averages 34.4 Inches. Dawson is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.3 °F | 35.1 °F | 0.79 in. |
| February | 19.3 °F | 40.6 °F | 1.13 in. |
| March | 29.4 °F | 53.3 °F | 2.16 in. |
| April | 40.2 °F | 64.4 °F | 3.26 in. |
| May | 52.4 °F | 74.6 °F | 5.14 in. |
| June | 62.5 °F | 83.8 °F | 4.85 in. |
| July | 66.3 °F | 87.8 °F | 4.5 in. |
| August | 63.8 °F | 86.2 °F | 3.67 in. |
| September | 54.2 °F | 79.4 °F | 3.3 in. |
| October | 41.9 °F | 67.4 °F | 2.62 in. |
| November | 29.5 °F | 51.9 °F | 1.78 in. |
| December | 20.1 °F | 39.5 °F | 1.22 in. |
| Annual | 41.2 °F | 63.7 °F | 34.42 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |