San Marcos in Summer

Across summer, daytime highs hold fairly steady around 32°C.

Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.

How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.

The sky is clear or mostly clear about 1% of the time across summer.

San Marcos gets around 761 mm of rain over 83 wet days across summer. The line is the day-by-day chance of measurable precipitation.

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

Winds average 6 km/h across summer.

Daylight runs from about 12 h 30 min in early June to 12 h 12 min by late August. The lit band spans sunrise to sunset each day.

Average shortwave solar energy reaching the ground each day across summer, about 5.0 kWh/m².

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

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

Clear-sky midday UV across summer averages around 12 (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 summer falls, not just the annual average.

San Marcos sits at 8.7°N, 75.1°W, 25 m above sea level, in Colombia. The nearest listed city is San Benito Abad, 32 km away.

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