What is the weather like in Biscayne National Park vs Key West in December?

In December, Biscayne National Park averages 26°C high / 19°C low with about 62 mm of rain; Key West averages 26°C high / 20°C low with about 65 mm.

Biscayne National Park vs Key West in December

Key West is the better pick in December — 83 vs 75 on SeasonMap's comfort score. Key West is warm, a little rain, clean air, while Biscayne National Park is warm, a little rain, clean air.

Biscayne National Park vs Key West — December climate, side by side

	🇺🇸 Biscayne National Park	🇺🇸 Key West
Comfort score	75/100 (B)	83/100 (A)
Feels-like high	27°C	26°C
Avg high / low	26° / 19°	26° / 20°
Rainfall	62 mm	65 mm
Rainy days	7	5
Humidity	76%	78%
Air quality (AQI)	36	43

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Biscayne National Park vs Key West in December — FAQ

Is December better in Biscayne National Park or Key West?: Key West is the better pick in December — 83 vs 75 on SeasonMap's comfort score. Key West is warm, a little rain, clean air, while Biscayne National Park is warm, a little rain, clean air.
What is the weather like in Biscayne National Park vs Key West in December?: In December, Biscayne National Park averages 26°C high / 19°C low with about 62 mm of rain; Key West averages 26°C high / 20°C low with about 65 mm.