The short answer
Best months: January, February, December
Wettest months: July, August, September
Average highs run 22–27.2°C across the year and total rainfall is about 1003 mm.
Mexico City weather by month
Averages for each calendar month over 10+ years. Green rows are the best months, red rows the wettest.
| Month | Avg high | Avg low | Rainfall | Days with rain | Cloud cover |
|---|---|---|---|---|---|
| January | 22°C | 7.1°C | 8 mm | 18.1% | 40.9% |
| February | 24.4°C | 8.2°C | 7.4 mm | 20.8% | 29.6% |
| March | 26.1°C | 10.1°C | 15.4 mm | 30.7% | 34.5% |
| April | 27.1°C | 11.8°C | 31.8 mm | 52% | 42.6% |
| May | 27.2°C | 13°C | 55.1 mm | 62.9% | 47.4% |
| June | 24.7°C | 13.4°C | 141.9 mm | 78.2% | 67.4% |
| July | 22.6°C | 12.7°C | 214.2 mm | 95.5% | 75% |
| August | 22.6°C | 12.8°C | 222 mm | 95.1% | 74.1% |
| September | 22.1°C | 12.8°C | 204.4 mm | 87.6% | 76.2% |
| October | 22.3°C | 11.3°C | 76.3 mm | 65.5% | 70% |
| November | 22.8°C | 9.6°C | 20.4 mm | 33.6% | 47.1% |
| December | 22°C | 7.8°C | 6.4 mm | 15.5% | 42.5% |
How we pick the best months: of the months with an average high between 18°C and 30°C, we take the three with the least rainfall. If fewer than three qualify, we take the three driest. This is a weather ranking only; it does not account for prices, crowds, events or air quality.
See Mexico City next to other destinations
Weather is only part of choosing a base. See the full score, compare Mexico City with other places for any month, or check a destination you are considering.
Where this data comes from
Daily weather history from the Open-Meteo archive for the coordinates of Mexico City (19.4326, -99.1332), grouped into month-of-year averages by NomadWeather. See Data Sources for details. "Days with rain" is the share of days in that month with recorded rain.