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

In March, Biscayne National Park averages 28°C high / 20°C low with about 46 mm of rain; Key West averages 27°C high / 21°C low with about 35 mm.

Biscayne National Park vs Key West in March

Key West is the better pick in March — 91 vs 78 on SeasonMap's comfort score. Key West is hot, a little rain, clean air, while Biscayne National Park is warm, a little rain, clean air.

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

	🇺🇸 Biscayne National Park	🇺🇸 Key West
Comfort score	78/100 (B)	91/100 (S)
Feels-like high	28°C	29°C
Avg high / low	28° / 20°	27° / 21°
Rainfall	46 mm	35 mm
Rainy days	5	3
Humidity	71%	75%
Air quality (AQI)	42	48

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

Month by month

Biscayne National Park vs Key West in March — FAQ

Is March better in Biscayne National Park or Key West?: Key West is the better pick in March — 91 vs 78 on SeasonMap's comfort score. Key West is hot, 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 March?: In March, Biscayne National Park averages 28°C high / 20°C low with about 46 mm of rain; Key West averages 27°C high / 21°C low with about 35 mm.