Miami-Dade County, FL Roof Snow Load - 0 psf
What ASCE 7 says about snow load in Miami-Dade County
That's Miami-Dade County's design roof snow load per ASCE 7-22, for a typical heated single-family home - the number a permit reviewer starts from.
Converted to something you can actually eyeball on a roof: about 0 in. of fresh powder, 0 in. once it settles and packs down, or just 0 in. if it's turned to ice. This county’s ground snow load maps to zero - snow load is not a driver of roof design here.
Got real snow on a Miami-Dade County roof right now?
Miami-Dade County at a glance
- Design roof snow load0 psf
- Ground snow load, ASCE 7 map0 psf
- National rank#2,476 of 2,758
- Florida rank#1 of 67
- Population2,838,461
- Annual snowfall, NOAA normal0 in.
- FIPS12086
Where Miami-Dade County's figure sits nationally
Out of 2,758 rated US counties, Miami-Dade County sits at #2,476, the top 90% nationally - #1 of 67 within Florida. Miami-Dade County's figure lands almost exactly on Florida's own county-average of 0 psf.
Near 25.616°N 80.5037°W, FIPS 12086: Miami-Dade County counts 2,838,461 residents and a 0 psf map value, which the code's own factors turn into 0 psf.
How much it actually snows in Miami-Dade County
Most winters bring Miami-Dade County roughly 0 in. of snow - NOAA's normal at PERRINE 4W, FL US, 4.8 mi off. (fresh vs. packed vs. ice explains why.)
Read this before you rely on it
Miami-Dade County's number above is ASCE 7-22's default case, not a custom calculation: ordinary residential occupancy, heated, sited on ground that's neither fully sheltered nor fully exposed. Any one of those changing - pitch, exposure, heating, occupancy - moves the real figure.
Nothing here substitutes for an address-level number. Get one free, in about a minute, from the ASCE 7 Hazard Tool using your own coordinates rather than Miami-Dade County's county-wide figure. (How this figure is calculated.)