Temperature
Cool by day, brisk at night.
63°Ftypical December high
Typical range
Cool days and plenty of sun.

Cool by day, brisk at night.
A few rainy days. About 4 wet days this month.
Plenty of sun this month.
In December, afternoons feel about 57° and nights feel near 46°.
Partly cloudy skies this month.
Calm winds are typical in December.
December late afternoons are around 62°F, easing to about 58°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 62 | 48 | 1.0 | 4 | 8.7 | 68 | 60 |
| Feb | 64 | 49 | 0.6 | 4 | 9.6 | 66 | 60 |
| Mar | 66 | 52 | 1.4 | 5 | 10.5 | 66 | 60 |
| Apr | 70 | 55 | 1.0 | 4 | 11.6 | 66 | 62 |
| May | 75 | 61 | 0.9 | 3 | 13.1 | 65 | 65 |
| Jun | 82 | 68 | 0.2 | 1 | 13.7 | 65 | 69 |
| Jul | 86 | 73 | 0.1 | 0 | 13.8 | 69 | 73 |
| Aug | 87 | 74 | 0.2 | 1 | 12.7 | 69 | 74 |
| Sep | 83 | 69 | 1.5 | 4 | 11.3 | 70 | 73 |
| Oct | 76 | 63 | 1.2 | 5 | 9.8 | 72 | 69 |
| Nov | 68 | 55 | 1.3 | 5 | 8.7 | 68 | 65 |
| Dec | 63 | 49 | 1.0 | 4 | 8.3 | 70 | 62 |
Similar climates
Want a side-by-side climate view? Compare Cartagena with Barcelona.
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: Aug 27, 2026
Data & methodology