It's way past fridge, and into the serious (deep) freezer range. Our home freezer is set to -18 °C which would be 255 Kelvin). Around 45 Kelvin away from room t

It's way past fridge, and into the serious (deep) freezer range. Our home freezer is set to -18 °C which would be 255 Kelvin). Around 45 Kelvin away from room temperature, I'd say without looking up the formal definition.