If a granite monument is placed outside for 200 years in a region with a cool dry climate what would its rate of weathering be?

The rate of weathering of a granite monument placed outside for 200 years in a cool, dry climate would likely be slow. Granite is a durable and resistant rock type, particularly in such conditions where there are minimal moisture and temperature fluctuations. However, over an extended period, there may still be some weathering due to physical processes like freeze-thaw cycles or chemical weathering from pollutants in the air. Overall, the monument would likely show some signs of weathering, but at a slower rate compared to more harsh environmental conditions.