Nederland, Colorado has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from -2.1 °C (low) to 12.2 °C (high). Annual precipitation averages 560.1 Millimeters. Nederland is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.7 °C | 1.8 °C | 22.86 mm |
| February | -9.1 °C | 2.6 °C | 29.97 mm |
| March | -6.8 °C | 6.4 °C | 48.01 mm |
| April | -4.5 °C | 10 °C | 74.42 mm |
| May | 0.3 °C | 14.8 °C | 72.14 mm |
| June | 4.3 °C | 21.4 °C | 48.77 mm |
| July | 7.9 °C | 24.8 °C | 69.09 mm |
| August | 6.9 °C | 23.5 °C | 58.17 mm |
| September | 3.2 °C | 19.9 °C | 49.28 mm |
| October | -1.8 °C | 13.1 °C | 33.78 mm |
| November | -6.5 °C | 6.3 °C | 26.67 mm |
| December | -9.4 °C | 1.8 °C | 26.92 mm |
| Annual | -2.1 °C | 12.2 °C | 560.08 mm |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfc - Subarctic With Cool Summers And Year Around Rainfall |