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San Francisco weather in May (California, United States of America)

How is the weather in San Francisco in May? Here's what the weather might have in store during this month.

In San Francisco the weather in May is generally perfect, with pleasant temperatures and low rainfall. Anticipate daytime temperatures around 19°C, while night temperatures can drop to 11°C.

San Francisco in May usually receives low rainfall, averaging around 7.1 mm for the month. Based on our climate data of the past 30 years, about 2 days of rain are anticipated.

The city usually sees around 324 hours of sunlight, indicating many sunny days.

If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit. May, June, July, August, September and October generally stand out with the best circumstances. While December tends to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized San Francisco climate page with graphs.

 

San Francisco, monthly averages in May

Min TemperatureMin Temperature 11°C  
Max TemperatureMax Temperature 19°C  
Water TemperatureWater Temperature 13°C  
Chance of RainChance of Rain 8%  
PrecipitationPrecipitation 7.1 mm  
Rainy daysRainy days 2 days  
HumidityHumidity 72%  
WindspeedWindspeed 22 km/h  
SunshineSunshine 324 hours  
Percentage SunshinePercentage Sunshine 73%  

Where to go in the United States of America in May

Find out more about the weather in the United States of America in May and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in San Francisco in May?

For visitors traveling to San Francisco, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. With a water temperature of around 13°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Cycling
10/10
Walking
10/10
Camping
10/10
Outdoor sports
10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in San Francisco.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.