Volga, Iowa has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36 °F (low) to 57.1 °F (high). Annual precipitation averages 38.2 Inches. Volga 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.3 °F | 26.2 °F | 1.15 in. |
| February | 12.5 °F | 30.9 °F | 1.24 in. |
| March | 24.0 °F | 43.9 °F | 2.1 in. |
| April | 35.2 °F | 58.3 °F | 3.9 in. |
| May | 47.0 °F | 70.1 °F | 4.82 in. |
| June | 57.1 °F | 79.4 °F | 5.63 in. |
| July | 60.9 °F | 82.5 °F | 4.75 in. |
| August | 58.4 °F | 80.8 °F | 4.06 in. |
| September | 49.7 °F | 74.4 °F | 3.67 in. |
| October | 37.7 °F | 61.5 °F | 2.98 in. |
| November | 25.9 °F | 44.9 °F | 2.24 in. |
| December | 15.2 °F | 32.0 °F | 1.64 in. |
| Annual | 36 °F | 57.1 °F | 38.18 in. |
| 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |