Windshield wipers should generally be replaced every 6 to 12 months, depending on factors like climate, usage, and exposure to elements. For example, in hot or wet climates or heavy usage areas, replacement may be needed closer to every 6 months, while milder conditions may allow for up to a year of use. Signs that indicate it is time to replace wipers include streaking or smearing on the windshield, squeaking or chattering noises, visible cracks or damage to the rubber, and reduced visibility during rain.

Key points on replacement frequency:

• Average lifespan: 6 to 12 months
• Hot, humid, or highly variable weather can shorten lifespan
• Regular inspection and cleaning can extend life slightly
• Signs of wear warrant immediate replacement regardless of age

Regularly check the condition of your wipers and replace them promptly if you notice diminished performance to maintain clear visibility and safe driving conditions.