Places › San Francisco, CA › May
San Francisco in May
One of the best months — score 98 of 100
Typical May days in San Francisco reach about 64°F with nights near 51°F; rain is rare.
Avg high
64°F
1991–2020 normal
Avg low
51°F
1991–2020 normal
Rain total
0.70 in
in a typical May
Rain days
4
days with at least 0.01 in
Daylight
14h 11m
at mid-May, computed
What to pack for San Francisco in May
- A light jacket or fleece for evenings.
Every packing line is triggered by a number on this page — the rules are on How we pick.
May vs. the alternatives
The whole year in San Francisco
JAN
58°F
Rain 11 days
Daylight 9h 49mFEB
60°F
Rain 11 days
Daylight 10h 44mMAR
62°F
Rain 11 days
Daylight 11h 50mAPR
63°F
Rain 7 days
Daylight 13h 07mMAY
64°F
★ Best
Rain 4 days
Daylight 14h 11mJUN
66°F
★ Best
Rain 2 days
Daylight 14h 46mJUL
66°F
★ Best
Rain 1 days
Daylight 14h 32mAUG
68°F
Rain 1 days
Daylight 13h 37mSEP
70°F
Rain 1 days
Daylight 12h 23mOCT
70°F
Rain 4 days
Daylight 11h 09mNOV
64°F
Rain 8 days
Daylight 10h 05mDEC
58°F
Rain 12 days
Daylight 9h 34m
58°F
Rain 11 days
Daylight 9h 49mFEB
60°F
Rain 11 days
Daylight 10h 44mMAR
62°F
Rain 11 days
Daylight 11h 50mAPR
63°F
Rain 7 days
Daylight 13h 07mMAY
64°F
★ Best
Rain 4 days
Daylight 14h 11mJUN
66°F
★ Best
Rain 2 days
Daylight 14h 46mJUL
66°F
★ Best
Rain 1 days
Daylight 14h 32mAUG
68°F
Rain 1 days
Daylight 13h 37mSEP
70°F
Rain 1 days
Daylight 12h 23mOCT
70°F
Rain 4 days
Daylight 11h 09mNOV
64°F
Rain 8 days
Daylight 10h 05mDEC
58°F
Rain 12 days
Daylight 9h 34m
Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.