Guatemala City weather in August
August in Guatemala City: warm, a little rain, with clean air — an excellent time to visit.
#7 of 12 months in Guatemala City · #114 of 604 destinations to visit in August · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Guatemala City climate normals — August
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 27°C / 81°F | |
| Rainfall | 73 mm / 2.9 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 16°C / 60°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 12.6 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 48 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Guatemala City in August — FAQ
- Is August a good time to visit Guatemala City?
- August in Guatemala City: warm, a little rain, with clean air — an excellent time to visit. It ranks #7 of 12 months for Guatemala City on SeasonMap's comfort score (88/100).
- What is the weather like in Guatemala City in August?
- In August, Guatemala City averages a daily high of 25.2°C and a low of 15.9°C, with about 73.2 mm of rain over roughly 13 rainy days.
- What is the air quality in Guatemala City in August?
- Guatemala City has a mean US Air Quality Index of about 48 in August.