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San Diego's sun-sational climate makes it the ultimate year-round destination and will put few demands on your wardrobe. Days are frequently warm, even in winter, so pack a pair (or two) of shorts. Evenings are pleasantly cool, even in summer, so bring a light jacket. Our region boasts an average daily temperature of 71 degrees Fahrenheit and 300 sunny days.
Average San Diego Temperatures
| Month | High | Low | Humidity | Rainfall | Sunshine |
| January | 65 | 48 | 63% | 2.11' | 72% |
| February | 66 | 50 | 66% | 1.43' | 72% |
| March | 66 | 52 | 67% | 1.60' | 70% |
| April | 68 | 55 | 67% | .78' | 67% |
| May | 69 | 58 | 70% | .24' | 59% |
| June | 71 | 61 | 74% | .06' | 58% |
| July | 76 | 65 | 74% | .01' | 68% |
| August | 78 | 67 | 74% | .11' | 70% |
| September | 77 | 65 | 72% | .19' | 69% |
| October | 75 | 60 | 70% | .33' | 68% |
| November | 70 | 54 | 65% | 1.10' | 75% |
| December | 66 | 49 | 64% | 1.36' | 73% |
| Average | 71 | 57 | 69% | .78 | 68% |
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