Weather in San Francisco, New York and London

• All Year
• Summer
• Autumn
• Winter
• Spring

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

• San Francisco has the most stable temperatures, staying within a comfortable range throughout the year

• New York experiences the widest temperature range, with discomfort during winter months with temperatures going to discomfort levels

• London's temperature range is moderate, with some winter months experiencing discomfort temperatures.

Conditions

• San Francisco generally enjoys more sunshine compared to New York and London, especially during the summer months, with total sun hours peaking in May and June, reaching around 11-11.5 hours per day and precipitation levels dramatically lower than in the other cities.

• In contrast, New York has a more moderate amount of sunshine throughout the year, consistently hovering around 5-7 hours per day, with precipitation showing a notable presence across most months. London's weather is characterized by lower sun hours overall, averaging around 2-5 hours per day, while experiencing higher precipitation during many months, especially in winter.

Astronomy

• In comparing San Francisco, New York, and London, it is evident that London experiences the earliest sunrise during the summer months at 04:44, while San Francisco and New York follow with 05:48 and 05:25 respectively.

• Conversely, during winter, New York has the shortest day length at just 09:18, slightly shorter than San Francisco's 09:35, while London has a significantly shorter day of only 07:55. Overall, San Francisco and New York have similar patterns in sunset times, while London boasts the latest sunset of 21:18 in June.