Humid heat and heat index
Sticky air raises heat stress quickly. Prefer sunrise walks and watch for heavy panting.
See whether it is safe to walk your dog in Charleston right now, then compare the next 12 hours for a less humid, cooler, or drier window.
Charleston’s Lowcountry climate is humid and warm for much of the year, with sea breeze, storms, and occasional coastal flooding. Historic-district pavement and open marsh edges create different heat loads on the same day.
Sticky air raises heat stress quickly. Prefer sunrise walks and watch for heavy panting.
Heavy rain and high tides can flood streets. Avoid deep water and wait for lightning to clear.
Open waterfront paths are more exposed than tree-lined blocks. Choose cover when humidity is high.
Historic paving and asphalt hold heat. Test surfaces before longer midday routes.