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How Does The Weather Affect Solar?

Updated: Apr 14

How Weather Affects Solar Panels in Phoenix, Arizona

In sunny Phoenix, weather plays a role in how well your solar panels generate electricity. Here's how different weather conditions can impact your solar panel performance:

Sunny Days

Our abundant sunshine is perfect for solar panels. Clear, sunny days provide the most energy for your panels to convert into electricity. When the sun is shining directly, your panels work at their best and produce the most power.

Cloudy Days

Even when clouds cover the sky, your solar panels can still generate electricity. While they're most efficient on sunny days, modern panels are designed to capture scattered sunlight as well. This means they'll still produce some energy even when the sun is hiding behind clouds.


Snow isn't a big concern in our desert climate, but if it does happen, it can temporarily block sunlight from reaching your panels. However, our panels' smooth surfaces and dark colors help snow slide off quickly, and the sun's heat can assist in melting it away.


Rain is actually a good thing for your solar panels. It helps wash away dirt and dust that might have accumulated, giving your panels a temporary efficiency boost after the rain clears.


While our hot temperatures are great for solar energy, extreme heat can slightly reduce panel efficiency. However, our cooler winter temperatures can actually improve efficiency a bit.

Haze and Air Quality

Hazy conditions due to dust or pollution can scatter sunlight, lowering the direct sunlight that reaches your panels. This might lead to slightly reduced energy production compared to clearer days.

Storms and Extreme Weather

In rare cases of severe weather, like monsoons or strong winds, there's a possibility of damage to your panels. While we don't see hail often, it's good to be aware that hail could cause physical harm to panels if it occurs.

To make the most of your solar panels in Phoenix's varied weather, consider their orientation, tilt angle, and placement. Also, think about adding a battery storage system to save extra energy from sunnier days for use during less optimal conditions.

Remember, despite occasional changes in weather, solar technology is built to handle various conditions and provide reliable renewable energy for your home.


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