Does Anyone Kno What The Weather Is Like At Parris Island In January?

My Fiance Is A Marine Recruit And Graduates In Jauary. So I Am Tryin To Figure Out An Outfit...Everyone Says To Wear A Summer Dress...Or Other Cute Dress, But It's January...Isn't It Gonna Be Chilly?? Help Please!! Another Question If I Wear A Dress Is There Any Color That Would Be Inappropriate....Like Something Too Flashy?? I Am Also Not The Skinniest Girl Around Not Fat Though...So I Am Not At All Gonna Show To Much Skin, But I Have A Large Bust So Much Outfits I Wear Show ...Is That Bad...Should I Find Something That Covers Them Up?? If So....I Need Help...It's Hard To Find Something To Cover Them!!