Windshield washer fluid comes in various formulas to meet the requirements for any environment. Washer fluid for winter, formulated to quickly deice your windshield, is effective to -25°F.
Other windshield washer fluids repel rain to help improve visibility, and other formulas are great at cleaning bugs off the windshield. Live in an area where you need all three? No problem. PEAK Windshield Washer Fluid as a formulation for that too.