Most humans enjoy the creature comforts of the modern world. Especially in the winter. Comms in winter is an issue many people often overlook. Solar charging isn't as effective as cloudy days become the norm and what day there is gets very short. Temperature effects battery output, radio performance and causes unexpected breakages due to brittle components of the system.
It's important to not hibernate during the winter but continue to use your gear and maintain it during the harsh winter season.