II · Temperature · Seasonal guide · 5 min
What actually matters about winter temperature
Why 68°F can feel cold, and why the number matters less than the room.
By Colpo d’Aria Editorial · Published September 24, 2026 · Last reviewed October 1, 2026
The short answer
Most people are comfortable between about 68°F and 72°F (20–22°C) in winter. But drafts, cold windows and humidity decide whether that number feels warm.
The thermostat measures one point
The thermostat reads the air where it hangs. Your body also exchanges heat with the surfaces around you. Sit beside a large cold window and you lose heat by radiation, even when the air is 70°F.
What changes how warm a room feels
- Cold surfaces: windows, exterior walls and uninsulated floors
- Drafts: leaks that move cold air across ankles and necks
- Stratification: warm air collecting near the ceiling
- Humidity: very dry air feels cooler on the skin
- Activity and clothing: a still reader needs more warmth than someone cooking
Saving energy without discomfort
The US Department of Energy notes that setting the thermostat back 7–10°F for eight hours a day can save up to 10% a year on heating. Setbacks while sleeping or away are often barely noticed, especially with warm bedding.
For sleep
Many people sleep best in a slightly cool room, roughly 60–67°F (16–19°C), with warm bedding. Steady temperatures matter more than precision.