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August in San Andrés brings high temperatures, with daytime highs of 29°C (84°F) and nights around 26°C (79°F). It's part of the rainy season, with 233 mm (9.2 in) of rainfall on average, so an umbrella or poncho is a good idea.
For San Andrés itself, January, February, March and April generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in San Andrés - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in San Andrés typically stay consistent throughout August, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 27°C (81°F).
Browse day-by-day weather records for San Andrés spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in San Andrés from 1999 through 2026.
Find out more about the weather in Colombia and which places have the best travel conditions in this month. See all of Colombia in August →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full San Andrés climate overview or explore weather in Colombia.
Where to go in August - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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