San Diego in Winter

Across winter, daytime highs hold fairly steady around 29°C.

Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.

The sky is clear or mostly clear about 49% of the time across winter.

San Diego gets around 256 mm of rain over 31 wet days across winter. The line is the day-by-day chance of measurable precipitation.

Most of winter feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

Winds average 7 km/h across winter.

Daylight runs from about 11 h 24 min in early December to 11 h 48 min by late February. The lit band spans sunrise to sunset each day.

Average shortwave solar energy reaching the ground each day across winter, about 5.4 kWh/m².

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.

Clear-sky midday UV across winter averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.

San Diego sits at 10.3°N, 73.2°W, 180 m above sea level, in Colombia. The nearest listed city is Valledupar, 17 km away.

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Diego.