San Diego and Key West — Comparison weather

Comparison weather

Learn where is warmer and colder where in any month of the year. Compare the day and night temperature, water temperature and precipitation. Where the sun shines longer, and where the rains.

You have chosen to compare the two cities:

— San Diego (United States)
— Key West (United States)

Most sunny months

San Diego

Key West

July		25 days
August		23 days
June		23 days

March		17 days
May		16 days
April		16 days

The warmest months

August		26.3 °C
September		25.8 °C
July		24.7 °C

August		30.9 °C
July		30.7 °C
September		29.9 °C

The warmest water (sea, ocean)

August		21.2 °C
September		20.7 °C
July		20.7 °C

August		30.5 °C
July		30.1 °C
September		29.9 °C

The coldest months

December		17.3 °C
January		17.4 °C
February		17.5 °C

January		22.5 °C
February		23.5 °C
March		24.3 °C

Rainiest months

January		2 days
February		2 days
March		2 days

July		8 days
June		8 days
August		8 days

Most windy months

May		12.3 km / h
April		12 km / h
March		11.4 km / h

November		23.5 km / h
March		22.1 km / h
January		22 km / h