Hudson, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 1.7 °C (low) to 18.2 °C (high). Annual precipitation averages 342.1 Millimeters. Hudson is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.4 °C | 6.2 °C | 8.64 mm |
| February | -8.2 °C | 7.2 °C | 9.14 mm |
| March | -3.4 °C | 13.2 °C | 23.37 mm |
| April | 0.4 °C | 16.7 °C | 42.67 mm |
| May | 6 °C | 21.7 °C | 59.69 mm |
| June | 11.3 °C | 28.6 °C | 39.88 mm |
| July | 14.5 °C | 32 °C | 38.86 mm |
| August | 13.1 °C | 30.7 °C | 40.89 mm |
| September | 8.3 °C | 26.3 °C | 30.48 mm |
| October | 1.2 °C | 18.7 °C | 24.38 mm |
| November | -4.6 °C | 11.5 °C | 14.99 mm |
| December | -9.4 °C | 5.8 °C | 9.14 mm |
| Annual | 1.7 °C | 18.2 °C | 342.13 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |