LED street lights can resist high and low temperatures in the range of -20℃ to 60℃. So in our cities, they are unlikely to be influenced. If the temperature is out of this range, the performance of the lights will be greatly affected. Problems like easily broken light bulbs, shorter lifespans, and lower brightness may occur. And at a high temperature, it will be hard for the LED street to dissipate heat. So if the summer is hot in your city, you have to be careful about your choice of heat sink.
More reading: 7 Most Common Myths about LED Street Lighting