San Francisco in may: average Weather, Temperature and Climate
Weather in San Francisco in may 2025
The weather in San Francisco in the month of may comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
good weather
Weather at 6am
58°F
Clear/Sunny
49% of time
30%
15%
5%
Weather at 12pm
67°F
Clear/Sunny
68% of time
21%
8%
3%
Weather at 6pm
59°F
Clear/Sunny
67% of time
24%
5%
4%
Weather at 3am
54°F
48%
29%
12%
8%
Evolution of daily average temperature and precipitation in San Francisco in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in San Francisco in may.
The climate of San Francisco in may is good
Due to rising temperatures and the retreat of precipitation, the climatic conditions are clearly improving to such an extent that the weather in San Francisco throughout May already allows to enjoy the beautiful sunny days to practice all kinds of activities in the great outdoors. On the other hand, if one wants to avoid morning freshness, it is better to wait until the sun is high enough.
San Francisco at the Beginning of May
The first ten days of May is characterized by the alternating sunshine and a few light clouds. Midday, with their temperature indicating about 1 ° C, makes it possible to feel a comfortable. However, the early hours of the day are very mild and it is not uncommon to see mist dominate much of the morning.
San Francisco in the Middle of May
The second ten days of May is undoubtedly the best period of the month. Not only do temperatures rise a few degrees, however because of the retreat of the rains, the sunny days are more numerous.
San Francisco at the End of May
The climate throughout May in San Francisco is decreasing slightly as a result of lower temperatures. The mornings become very fresh once again so that it is necessary to wear warm clothes in order to feel at ease. On the other hand, the rains which are still rare, allow the sun to brighten up the days.
Seasonal average climate and temperature of San Francisco in may
Check below seasonal norms These statistics are compiled from the weather statements earlier years of the month of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 63°F | ||||
| Highest temperature | 68°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 90°F (2014) | ||||
| Lowest record temperature | 49°F (2011) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 20 day(s) (65%) | ||||
| Sea temperature | |||||
| Average sea temperature | 53°F | ||||
| Lowest sea temperature | 50°F | ||||
| Highest sea temperature | 57°F | ||||
| Wind | |||||
| Wind speed | 20km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 0.7in | ||||
| Number of days with rainfall | 1 day(s) (3%) | ||||
| Record daily rainfall | 0.8in (2019) | ||||
| Other climate data | |||||
| Humidity | 78% | ||||
| Visibility | 9.54km | ||||
| Cloud cover | 23% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:00 | ||||
| Time of sunset | 19:13 | ||||
| Length of day | 14:13 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last may?
Here is the day by day recorded weather in San Francisco in may 2024:
50°F to 59°F
52°F to 61°F
52°F to 59°F
49°F to 54°F
49°F to 54°F
49°F to 56°F
49°F to 58°F
52°F to 63°F
58°F to 70°F
56°F to 65°F
56°F to 63°F
54°F to 59°F
52°F to 58°F
52°F to 59°F
52°F to 59°F
54°F to 61°F
54°F to 61°F
52°F to 59°F
52°F to 58°F
52°F to 59°F
54°F to 63°F
52°F to 61°F
52°F to 58°F
52°F to 56°F
52°F to 54°F
50°F to 56°F
50°F to 58°F
52°F to 56°F
52°F to 59°F
52°F to 63°F
52°F to 59°F
Map: other cities in California in may
Cities near San Francisco:
| Golden Gate National Recreation Area in may | good weather |
| Oakland in may | good weather |
| Stinson Beach in may | good weather |
| Moss Beach in may | good weather |
| Half Moon Bay in may | good weather |
| Silicon Valley in may | perfect weather |
| Point Reyes in may | good weather |
| Pescadero in may | good weather |
| San Jose in may | perfect weather |
| Napa Valley in may | good weather |
| Bodega Bay in may | good weather |
| Santa Cruz California in may | good weather |
Click over cities on the map for information about the weather in may.
San Francisco
perfect weather
good
tolerable
bad
very bad
Weather data for San Francisco in may:
Weather data for San Francisco for may are derived from an average of the weather forecast since 2009 in San Francisco. There is a margin of error and these forecasts are to be considered as general information only. The weather in San Francisco can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to San Francisco.