SunYieldMap

Solar output month by month

50100150January: 88.8 kWh per kWJan89February: 97.1 kWh per kWFeb97March: 125.2 kWh per kWMar125April: 135.0 kWh per kWApr135May: 143.1 kWh per kWMay143June: 146.1 kWh per kWJun146July: 149.4 kWh per kWJul149August: 142.0 kWh per kWAug142September: 127.2 kWh per kWSep127October: 117.2 kWh per kWOct117November: 95.7 kWh per kWNov96December: 82.8 kWh per kWDec831,450kWh per kWU.S. median
Median city, kWh per kW each month

Across the 100 cities, the median panel makes the most in July (149.4 kWh per kW) and the least in December (82.8).

December is the weakest month in 82 cities; July is the best month in 47.

Best and weakest city each month

The median of the 100 cities per month, and the city with the most and least output in that month (kWh per kW).

  1. January88.8BestEl Paso, TX 127.8WeakestAnchorage, AK 21.3
  2. February97.1BestEl Paso, TX 134.8WeakestAnchorage, AK 36.6
  3. March125.2BestEl Paso, TX 167.2WeakestSeattle, WA 81.6
  4. April135.0BestEl Paso, TX 177.0WeakestPortland, OR 106.7
  5. May143.1BestTucson, AZ 184.5WeakestCharleston, WV 126.1
  6. June146.1BestStockton, CA 181.8WeakestOrlando, FL 124.6
  7. July149.4BestSan Jose, CA 185.3WeakestTampa, FL 125.8
  8. August142.0BestSan Jose, CA 177.1WeakestAnchorage, AK 89.4
  9. September127.2BestBakersfield, CA 158.3WeakestAnchorage, AK 67.6
  10. October117.2BestMesa, AZ 149.1WeakestAnchorage, AK 44.7
  11. November95.7BestEl Paso, TX 132.2WeakestAnchorage, AK 26.7
  12. December82.8BestEl Paso, TX 126.9WeakestAnchorage, AK 8.8

Read more: seasonal swing by region.