Places › San Diego, CA
San Diego, CA — best months to visit
Seventy miles of beaches and the mildest year-round weather in California.
Best months for San Diego: July, August, September — mild days around 75°F, rain on about 1 days a month.
66°F
Rain 6 days
Daylight 10h 13mFEB
66°F
Rain 7 days
Daylight 10h 58mMAR
67°F
Rain 6 days
Daylight 11h 53mAPR
69°F
Rain 4 days
Daylight 12h 56mMAY
70°F
Rain 2 days
Daylight 13h 49mJUN
72°F
Rain 1 days
Daylight 14h 17mJUL
75°F
★ Best
Rain 1 days
Daylight 14h 06mAUG
77°F
★ Best
Rain 0 days
Daylight 13h 21mSEP
77°F
★ Best
Rain 1 days
Daylight 12h 20mOCT
75°F
Rain 2 days
Daylight 11h 19mNOV
71°F
Rain 4 days
Daylight 10h 26mDEC
66°F
Rain 6 days
Daylight 10h 00m
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.
Temperature band (low to high) in each month's color; pale bars behind = total rain for the month. 1991–2020 normals.
All twelve months
| Month | Score | Avg high | Avg low | Rain | Rain days | Daylight | Verdict |
|---|---|---|---|---|---|---|---|
| January | 74 | 66° | 50° | 1.98 in | 6 | 10h 13m | A good month |
| February | 74 | 66° | 52° | 2.20 in | 7 | 10h 58m | A good month |
| March | 80 | 67° | 54° | 1.46 in | 6 | 11h 53m | One of the best months |
| April | 86 | 69° | 57° | 0.65 in | 4 | 12h 56m | One of the best months |
| May | 89 | 70° | 60° | 0.28 in | 2 | 13h 49m | One of the best months |
| June | 93 | 72° | 63° | 0.05 in | 1 | 14h 17m | One of the best months |
| July ★ Best | 98 | 75° | 66° | 0.08 in | 1 | 14h 06m | One of the best months |
| August ★ Best | 98 | 77° | 68° | 0.01 in | 0 | 13h 21m | One of the best months |
| September ★ Best | 98 | 77° | 66° | 0.12 in | 1 | 12h 20m | One of the best months |
| October | 94 | 75° | 62° | 0.50 in | 2 | 11h 19m | One of the best months |
| November | 84 | 71° | 55° | 0.79 in | 4 | 10h 26m | One of the best months |
| December | 74 | 66° | 50° | 1.67 in | 6 | 10h 00m | A good month |
Score is rule-derived from the same normals — the rules are published on How we pick. Rain days = days with at least 0.01 in of precipitation.
July in San Diego: one of the best months (score 98 of 100)
Typical July days in San Diego reach about 75°F with nights near 66°F; rain is rare.
- Comfortable walking shoes — no special gear for a typical month.
August in San Diego: one of the best months (score 98 of 100)
Typical August days in San Diego reach about 77°F with nights near 68°F; rain is rare.
- Comfortable walking shoes — no special gear for a typical month.
September in San Diego: one of the best months (score 98 of 100)
Typical September days in San Diego reach about 77°F with nights near 66°F; rain is rare.
- Comfortable walking shoes — no special gear for a typical month.