🇬🇧 London vs 🇺🇸 San Diego

Weather Comparison

Current Weather Right Now

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London

broken clouds

47°F

Broken Clouds

Feels like 41°F

H 48°F / L 46°F

Humidity: 56%

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San Diego

clear sky

78°F

Clear Sky

Feels like 78°F

H 84°F / L 72°F

Humidity: 56%

Climate Overview

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London

Temperate oceanic — mild, cloudy, and notoriously changeable year-round

Best monthsJune, July, August, September
AvoidNovember, December, January
Annual rain23 inches (585 mm) — spread evenly 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.

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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.

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