Guatemala City weather in May
May in Guatemala City: warm, rainy — an excellent time to visit.
#10 of 12 months in Guatemala City · #231 of 604 destinations to visit in May · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Guatemala City climate normals — May
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 17°C / 62°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 86 mm / 3.4 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 15°C / 59°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 12.8 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 90 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Guatemala City in May — FAQ
- Is May a good time to visit Guatemala City?
- May in Guatemala City: warm, rainy — an excellent time to visit. It ranks #10 of 12 months for Guatemala City on SeasonMap's comfort score (84/100).
- What is the weather like in Guatemala City in May?
- In May, Guatemala City averages a daily high of 26.1°C and a low of 16.6°C, with about 85.8 mm of rain over roughly 13.8 rainy days.
- What is the air quality in Guatemala City in May?
- Guatemala City has a mean US Air Quality Index of about 90 in May.