United States · 1991–2020 normal
Key Biscayne in
December.
Typical December weather in Key Biscayne: 25.6°C by day, 18.8°C at night, 63 mm of rain over 4.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high25.6°C
Typical low18.8°C
Rain63 mm
Wet days4.8
Comfort score 82 this month (January leads the year at 94). Daylight is calculated as 10 h 32 from latitude 25.69°. Open-water sea temperature is 25.7°C (9 km from the place centre).
Event window
Warm sea in December
The nearest open-water NOAA OISST 1991–2020 cell averages 25.7°C in December. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4160789
- NOAA station
- USC00081306 · CAPE FLORIDA
- Station distance
- 2.5 km from the place centre
- Coverage
- Good coverage · 21 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.