One thing that people need to remember is that it is all about relative humidity.
In cold months, the air has less absolute humidity, but you might find the relative humidity to be higher than it is indoors. In those cases, your bass is likely better off being cold with higher relative humidity, than warm with less.
In cold months, the air has less absolute humidity, but you might find the relative humidity to be higher than it is indoors. In those cases, your bass is likely better off being cold with higher relative humidity, than warm with less.