🇺🇸 San Diego vs 🇺🇸 Chicago
Weather Comparison
Current Weather Right Now
🇺🇸
San Diego
77°F
Broken Clouds
Feels like 77°F
H 85°F / L 73°F
Humidity: 44%
🇺🇸
Chicago
52°F
Few Clouds
Feels like 49°F
H 54°F / L 51°F
Humidity: 39%
Climate Overview
San Diego
San Diego has arguably the best climate of any major US city — mild year-round with average highs around 70°F. The Pacific Ocean moderates temperatures dramatically, and the city rarely sees extremes. June Gloom brings marine layer clouds through the early summer, while Santa Ana winds can push temperatures into the 90s in fall.
Chicago
Humid continental — cold harsh winters, hot humid summers, severe storms
Chicago lives up to its Windy City nickname. Lake Michigan creates its own microclimate — cooler summers and heavier lake-effect snow in winter. Summers are warm but brief; winters are among the harshest of any major American city.
Seasonal Comparison
| Season | 🇺🇸 San Diego | 🇺🇸 Chicago |
|---|---|---|
| Spring | — | 35–65°F March–May |
| Summer | — | 70–84°F June–August |
| Fall | — | 45–68°F September–November |
| Winter | — | 17–32°F December–February |
San Diego vs Chicago: Frequently Asked Questions
Does San Diego or Chicago have better weather?
San Diego and Chicago have very different climates. San Diego has arguably the best climate of any major US city — mild year-round with average highs ar Chicago: Humid continental — cold harsh winters, hot humid summers, severe storms. The best city depends on your preferred season and temperature range.
When is the best time to visit San Diego vs Chicago?
Best time for San Diego: spring and fall. Best time for Chicago: May, June, September.