SeasonMapLake Atitlán (Atitlán) weather in August
Guatemala
August in Lake Atitlán: warm, soaked, with muggy air — fine if you can take 24 rainy days.
#8 of 12 months in Lake Atitlán · #960 of 1383 destinations to visit in August · comfort 67/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Lake Atitlán in August
Other months in Lake Atitlán
Lake Atitlán's forum calls December part of the reliable dry season — cool, brisk mornings in the mid-teens°C give way to pleasant afternoons in the low-to-mid 20s, with only the odd light shower breaking up mostly clear skies. Regulars recommend layers you can shed once the sun's up, since the highland chill at dawn catches some visitors off guard.
Add your own note from Lake Atitlán's card on the map.
Lake Atitlán climate normals — August
| Daytime high | 23°C / 74°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Feels like (high) | 27°C / 81°F | |
| Rainfall | 258 mm / 10.1 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 17°C / 63°F | |
| Sunshine | 9.9 h/day | |
| Daylight | 12.6 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 56 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Lake Atitlán in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Lake Atitlán's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherLake Atitlán's weather peaks December–February, best around January.
Best weatherFair weatherToughest weather
What's on in Lake Atitlán in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Wet season
MonsoonRisk24 rainy days and about 258 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Where is Lake Atitlán?
Lake Atitlán in August — FAQ
- Is August a good time to visit Lake Atitlán?
- August in Lake Atitlán: warm, soaked, with muggy air — fine if you can take 24 rainy days. It ranks #8 of 12 months for Lake Atitlán on SeasonMap's comfort score (67/100).
- What is the weather like in Lake Atitlán in August?
- In August, Lake Atitlán averages a daily high of 23.4°C and a low of 17.9°C, with about 257.5 mm of rain over roughly 23.7 rainy days.
- What is the air quality in Lake Atitlán in August?
- Lake Atitlán has a mean US Air Quality Index of about 56 in August.