Temperature
Cool by day, brisk at night.
Cool days.
Cool by day, brisk at night.
Rain is frequent. About 14 wet days, more than in most months.
Sunshine is limited, with cloud often dominating.
Humidity is rarely noticeable in the cool air.
In December, afternoons feel about 45° and nights feel near 43°.
Partly cloudy skies this month.
Breezy December days can feel brisker in open spots.
December stays around 52°F through the day and night.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 51 | 47 | 5.3 | 13 | 3.6 | 71 | 57 |
| Feb | 51 | 47 | 4.4 | 12 | 4.3 | 71 | 56 |
| Mar | 54 | 50 | 4.3 | 11 | 5.3 | 73 | 57 |
| Apr | 58 | 54 | 3.7 | 10 | 5.9 | 76 | 59 |
| May | 64 | 60 | 2.8 | 9 | 6.5 | 78 | 64 |
| Jun | 71 | 67 | 1.7 | 7 | 8.0 | 77 | 71 |
| Jul | 75 | 72 | 1.0 | 5 | 9.3 | 75 | 76 |
| Aug | 76 | 73 | 1.9 | 6 | 8.3 | 75 | 77 |
| Sep | 71 | 67 | 3.9 | 9 | 6.5 | 72 | 74 |
| Oct | 65 | 61 | 7.3 | 13 | 4.4 | 75 | 69 |
| Nov | 58 | 55 | 8.1 | 15 | 3.4 | 72 | 64 |
| Dec | 53 | 50 | 6.1 | 14 | 3.4 | 71 | 59 |
Similar climates
Want a side-by-side climate view? Compare Portofino with Capri.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 19, 2026
Data & methodology