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California, USA · North America · northern hemisphere
San Diego is at its best for city & culture in March to May and September to November. Good but not prime in January, February, June, July, August and December.
| J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Swimming | 13 | 13 | 11 | 13 | 42 | 65 | 89 | 91 | 90 | 69 | 18 | 14 |
| Lakes & Coastline | 36 | 48 | 66 | 92 | 94 | 94 | 78 | 78 | 94 | 94 | 86 | 56 |
| City & Culture | 61 | 67 | 85 | 95 | 95 | 79 | 75 | 55 | 88 | 95 | 95 | 63 |
No reliable monthly crowd data for this destination — the proxy used elsewhere did not pass its checks here, so nothing is shown rather than a guess.
Swipe the table sideways for the rest of the year.
The most consistent weather of any major American city, and a Pacific that never really warms up — 20°C in August is as good as it gets, and locals wear wetsuits year-round
May and June, locally called May Grey and June Gloom — a marine layer sits over the coast most mornings.
Summer, plus Comic-Con week in July
Minimal. The zoo, Balboa Park, calm bay beaches at Coronado and Mission Bay, and short distances between all of them.
La Jolla and Coronado carry the premium. North Park and South Park are inland, cheaper, and where the food actually is — and Pacific Beach is the budget option on the sand.
Santa Ana winds in autumn drive fires and smoke across the county, occasionally closing the inland highways.Sep · Oct · Nov
Kept out of the score on purpose. Averaging a rare catastrophe into a monthly number would tell you something false; the warning is the honest form.