San Francisco Weather in May
In San Francisco, May brings high daytime temperatures around 22°C (72°F), with nights cooling to 14°C (57°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in San Francisco in May
As part of the rainy season, San Francisco sees around 18 days of rain in May, with an average of 334 mm (13 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in San Francisco in May
In May, San Francisco gets high temperatures, with highs of 22°C (72°F). Nights cool to around 14°C (57°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in San Francisco in May
With limited sunshine this month, there are about 83 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit San Francisco. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Colombia, check out our San Francisco's climate page.
San Francisco Temperature in May
Min Temperature
14°C (57°F)
Max Temperature
22°C (72°F)
Chance of Rain
61%
Precipitation
334 mm (13 in)
Rainy days
18 days
Humidity
77% *
Sunshine
83 hours *
Percentage Sunshine
22% *
Best Places in Colombia in May
Find out more about the weather in Colombia and which places have the best travel conditions in this month. See all of Colombia in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in San Francisco in May
For San Francisco in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in San Francisco in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Colombia, check out our San Francisco's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Francisco climate overview or explore weather in Colombia.
