Surrey, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29.6 °F (low) to 51.4 °F (high). Annual precipitation averages 18.4 Inches. Surrey is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.1 °F | 18.4 °F | 0.56 in. |
| February | 3.7 °F | 23.1 °F | 0.55 in. |
| March | 15.6 °F | 35.3 °F | 0.75 in. |
| April | 28.9 °F | 52.5 °F | 0.92 in. |
| May | 41.8 °F | 65.9 °F | 2.67 in. |
| June | 52.8 °F | 74.7 °F | 3.81 in. |
| July | 57.0 °F | 80.7 °F | 2.64 in. |
| August | 54.3 °F | 80.9 °F | 2.02 in. |
| September | 44.9 °F | 70.9 °F | 1.6 in. |
| October | 32.0 °F | 54.6 °F | 1.39 in. |
| November | 18.0 °F | 36.8 °F | 0.82 in. |
| December | 6.0 °F | 23.4 °F | 0.63 in. |
| Annual | 29.6 °F | 51.4 °F | 18.36 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |