Hudson, Wyoming has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.2 °F (low) to 59.9 °F (high). Annual precipitation averages 10.9 Inches. Hudson is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.9 °F | 33.5 °F | 0.41 in. |
| February | 11.0 °F | 38.3 °F | 0.62 in. |
| March | 22.0 °F | 50.3 °F | 0.86 in. |
| April | 29.8 °F | 58.0 °F | 1.68 in. |
| May | 39.1 °F | 67.4 °F | 2.12 in. |
| June | 47.1 °F | 79.4 °F | 1.02 in. |
| July | 54.0 °F | 89.2 °F | 0.6 in. |
| August | 51.7 °F | 87.1 °F | 0.56 in. |
| September | 42.8 °F | 76.2 °F | 1.05 in. |
| October | 31.0 °F | 60.7 °F | 1.1 in. |
| November | 18.3 °F | 45.3 °F | 0.52 in. |
| December | 8.5 °F | 33.6 °F | 0.38 in. |
| Annual | 30.2 °F | 59.9 °F | 10.92 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |