🇺🇸 San Diego vs 🇬🇧 London
Weather Comparison
Current Weather Right Now
🇺🇸
San Diego

77°F
Broken Clouds
Feels like 77°F
H 84°F / L 73°F
Humidity: 46%
🇬🇧
London

46°F
Broken Clouds
Feels like 43°F
H 48°F / L 42°F
Humidity: 61%
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.
London
Temperate oceanic — mild, cloudy, and notoriously changeable year-round
London's weather is famously mild but grey. It rarely gets very hot or very cold, but expect cloud cover most of the year. Summer (June–August) brings the best sunshine and warmth. Rain falls year-round but rarely in heavy bursts.
Seasonal Comparison
| Season | 🇺🇸 San Diego | 🇬🇧 London |
|---|---|---|
| Spring | — | 45–61°F March–May |
| Summer | — | 63–73°F June–August |
| Fall | — | 49–61°F September–November |
| Winter | — | 38–46°F December–February |
San Diego vs London: Frequently Asked Questions
Does San Diego or London have better weather?
San Diego and London have very different climates. San Diego has arguably the best climate of any major US city — mild year-round with average highs ar London: Temperate oceanic — mild, cloudy, and notoriously changeable year-round. The best city depends on your preferred season and temperature range.
When is the best time to visit San Diego vs London?
Best time for San Diego: spring and fall. Best time for London: June, July, August, September.