January dawns on Tuesday. It's our coldest month, averaging 32.3 degrees at BWI. But in the last decade only 2003 and 2004 were colder than that. The latest sunrise is at 7:27 on the 5th. Average highs at BWI drop to 41 degrees, lows to 23. But both rise again by month's end as days lengthen. The record high is 79 degrees, last reached in 1950. The record low was minus-7, most recently on Jan. 22, 1984. It's also our snowiest month, averaging 7 inches.