Saltese, Montana has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from -1.1 °C (low) to 12.9 °C (high). Annual precipitation averages 877.3 Millimeters. Saltese is located in USDA Plant Hardiness Zone 5b. 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 | -7.9 °C | 0.3 °C | 108.2 mm |
| February | -7.5 °C | 2.6 °C | 84.07 mm |
| March | -4.8 °C | 7.6 °C | 95.25 mm |
| April | -2.1 °C | 11.7 °C | 56.9 mm |
| May | 1.6 °C | 17.4 °C | 63.5 mm |
| June | 5.1 °C | 21.4 °C | 66.55 mm |
| July | 7 °C | 27.7 °C | 21.84 mm |
| August | 6.1 °C | 27.8 °C | 27.43 mm |
| September | 2.6 °C | 21.4 °C | 34.04 mm |
| October | -1.2 °C | 12.6 °C | 81.28 mm |
| November | -4 °C | 4.1 °C | 105.16 mm |
| December | -7.6 °C | -0.3 °C | 133.1 mm |
| Annual | -1.1 °C | 12.9 °C | 877.32 mm |
| 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 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |