Weather & Output
How solar performs in winter, clouds, rain and heat.
"Do solar panels even work here?" is the question behind a lot of weather worry — winter, clouds, rain, heat. The reassuring reality is that panels work in all of them; they just work at different rates, and understanding that keeps you from either over-worrying or over-promising.
This hub explains how real weather affects output, with no system to sell and no reason to sugar-coat the seasons.
Sun, cloud and season
Panels run on light, not heat, so they still generate on overcast days — just less. Output naturally falls in winter with shorter days and a lower sun, which is precisely why net metering or storage matters for balancing the year. Counter-intuitively, extreme heat slightly reduces efficiency, so a mild sunny day can outproduce a scorching one.
What to expect across the year
Our guide on whether solar panels work in winter and cloudy weather puts numbers to all of this — seasonal swings, cloudy-day output and how annual estimates already account for the gloomy months. Read it before a salesperson's sunny-day figure sets your expectations, or a grey forecast talks you out of a system that pays back over the whole year.