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

47°F
Broken Clouds
Feels like 41°F
H 48°F / L 46°F
Humidity: 56%
🇺🇸
San Diego

78°F
Clear Sky
Feels like 78°F
H 84°F / L 72°F
Humidity: 56%
Climate Overview
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.
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.
Seasonal Comparison
| Season | 🇬🇧 London | 🇺🇸 San Diego |
|---|---|---|
| Spring | 45–61°F March–May | — |
| Summer | 63–73°F June–August | — |
| Fall | 49–61°F September–November | — |
| Winter | 38–46°F December–February | — |
London vs San Diego: Frequently Asked Questions
Does London or San Diego have better weather?
London and San Diego have very different climates. Temperate oceanic — mild, cloudy, and notoriously changeable year-round San Diego: San Diego has arguably the best climate of any major US city — mild year-round with average highs ar. The best city depends on your preferred season and temperature range.
When is the best time to visit London vs San Diego?
Best time for London: June, July, August, September. Best time for San Diego: spring and fall.