Arrowhead Springs, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -0.5 °C (low) to 13.3 °C (high). Annual precipitation averages 263.6 Millimeters. Arrowhead Springs 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 Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.6 °C | -0.4 °C | 14.22 mm |
| February | -10 °C | 1.3 °C | 12.95 mm |
| March | -5.3 °C | 6.9 °C | 23.62 mm |
| April | -2 °C | 12.1 °C | 28.7 mm |
| May | 2.9 °C | 17.4 °C | 44.45 mm |
| June | 7.6 °C | 23.8 °C | 22.61 mm |
| July | 11.7 °C | 28.8 °C | 16 mm |
| August | 10.9 °C | 27.6 °C | 15.49 mm |
| September | 5.9 °C | 22.2 °C | 25.65 mm |
| October | 0 °C | 14.2 °C | 26.92 mm |
| November | -5.9 °C | 5.7 °C | 20.32 mm |
| December | -10.8 °C | -0.3 °C | 12.7 mm |
| Annual | -0.5 °C | 13.3 °C | 263.63 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| 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 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |