Mexico City weather in May
May in Mexico City: warm, a little rain, with poor air quality — an excellent time to visit.
#6 of 12 months in Mexico City · #77 of 604 destinations to visit in May · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Mexico City climate normals — May
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 13°C / 55°F | |
| Feels like (high) | 25°C / 77°F | |
| Rainfall | 46 mm / 1.8 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 53% | 🍃 comfortable |
| Dew point | 7°C / 45°F | |
| Sunshine | 11.7 h/day | |
| Daylight | 13.1 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 104 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Mexico City in May — FAQ
- Is May a good time to visit Mexico City?
- May in Mexico City: warm, a little rain, with poor air quality — an excellent time to visit. It ranks #6 of 12 months for Mexico City on SeasonMap's comfort score (90/100).
- What is the weather like in Mexico City in May?
- In May, Mexico City averages a daily high of 26.1°C and a low of 12.7°C, with about 46.4 mm of rain over roughly 10 rainy days.
- What is the air quality in Mexico City in May?
- Mexico City has a mean US Air Quality Index of about 104 in May.