Hours of Sunshine per Year

Manchester, UK - 1400
Rosslare (sunniest in Ireland) - 1580
London, UK - 1800
Lyon, France - 1800
Paris, France - 1800
London, Ontario - 1800
Vancouver, BC - 1900
Brighton, UK - 1900

2000+

Amsterdam, Netherlands - 2000
Toronto, Ontario - 2038
Seattle, WA - 2071
Melbourne, Australia - 2250

Lisbon, Portugal - 2650
Montpellier, France - 2800
Nice, France - 2800
San Francisco, CA - 2950

San Diego, CA - 3000
Sydney, Australia - 3000+

4000+

Phoenix, AR - 4000


Some more random bits about the weather in London:

City with most thunderstorms in the country!

Record low temperature: -31.7 C
Average low in the coldest month (Jan): -10 C
Average high in the coldest month: -2 C