| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 47a - Loess Prairies | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 51041 - Orange City, IA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 6 | 12 | 24 | 35 | 48 | 57 | 61 | 59 | 49 | 37 | 23 | 11 | 35 |
| Avg Max Temp (°F) | 26 | 33 | 45 | 61 | 73 | 83 | 85 | 83 | 76 | 63 | 43 | 29 | 58 |
| Avg Precip (In.) | .68 | .61 | 1.96 | 2.79 | 3.46 | 4.23 | 3.71 | 3.37 | 2.58 | 2 | 1.51 | .8 | 27.71 |