Santiago Atitlán Weather in August
During August, Santiago Atitlán experiences high daytime temperatures of 25°C (77°F) and cooler nights around 17°C (63°F). August sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Santiago Atitlán in August
As part of the rainy season, Santiago Atitlán sees around 23 days of rain in August, with an average of 346 mm (14 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.
Temperature in Santiago Atitlán in August
In August, Santiago Atitlán gets high temperatures, with highs of 25°C (77°F). Nights cool to around 17°C (63°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Santiago Atitlán in August
The area experiences a moderate amount of sunshine, with approximately 185 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Santiago Atitlán. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guatemala, check out our Santiago Atitlán's climate page.
Santiago Atitlán Temperature in August
Min Temperature
17°C (63°F)
Max Temperature
25°C (77°F)
Chance of Rain
75%
Precipitation
346 mm (14 in)
Rainy days
23 days
Humidity
78% *
Sunshine
185 hours *
Percentage Sunshine
*
Daily Historical Temperatures
34-year average (1983-2025)
Based on our historical records, temperatures in Santiago Atitlán typically stay consistent throughout August, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows around 15°C (59°F).
Average temperatures in August
Historical weather for Santiago Atitlán in August
Browse day-by-day weather records for Santiago Atitlán spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Santiago Atitlán historical weather extremes in August
Based on weather observations in Santiago Atitlán between 1997 and 2025, these are the recorded extremes during August.
- The warmest day in August was on August 9, 2020, with a maximum of 32°C (90°F).
- The coldest August day was on August 8, 2000, with a maximum of 19°C (66°F).
- Santiago Atitlán registered its coldest August night on August 1, 2001, with temperatures dropping to 8°C (46°F).
Best Places in Guatemala in August
Find out more about the weather in Guatemala and which places have the best travel conditions in this month. See all of Guatemala in August →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Santiago Atitlán in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Santiago Atitlán in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guatemala, check out our Santiago Atitlán's climate page.
Temperature Rainfall Sunshine Humidity
See the full Santiago Atitlán climate overview or explore weather in Guatemala.
