Answer:
There is no way of telling what the means
Explanation:
I think your question missed key information, allow me to add in and hope it will fit the orginal one. Please have a look at the attached photo
My answer:
There is no way of telling what the means are because we do not the exactly number of the average daily temperatures even the narrow IQR for January is but we can not make sure it is lower than the IQR for December when having no real number.
Hope it will find you well.