Golden Gate, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.2 °F (low) to 66.3 °F (high). Annual precipitation averages 46.1 Inches. Golden Gate is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.5 °F | 39.8 °F | 3.38 in. |
| February | 26.3 °F | 45.0 °F | 2.78 in. |
| March | 34.3 °F | 54.9 °F | 4.0 in. |
| April | 44.8 °F | 67.2 °F | 5.04 in. |
| May | 55.3 °F | 76.8 °F | 4.9 in. |
| June | 63.5 °F | 85.4 °F | 4.78 in. |
| July | 66.7 °F | 88.3 °F | 3.98 in. |
| August | 64.2 °F | 87.3 °F | 3.31 in. |
| September | 56.3 °F | 81.7 °F | 3.16 in. |
| October | 44.9 °F | 69.9 °F | 3.53 in. |
| November | 35.0 °F | 55.5 °F | 3.91 in. |
| December | 27.4 °F | 44.2 °F | 3.34 in. |
| Annual | 45.2 °F | 66.3 °F | 46.11 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |