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Mexico City weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Mexico City?
For a warm holiday, the best week has been 18–24 May (Weather Index 98). Favourable start dates for a 7-day trip run from 12 May to 24 May. April and May are warmest (28°C), January is driest and April and May have the most sun.
- Warmest
- April and May 28°C
- Coolest
- December 22°C
- Driest
- January 10% rain-day chance
- Wettest
- July 78% rain-day chance
- Sunniest
- April and May 12 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Mexico City
Mexico City historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 22.5 | 7.1 | 10.0 | 3.1 | 15.5 | 10.1 |
| February | 24.8 | 8.3 | 14.6 | 4.1 | 17.0 | 10.8 |
| March | 26.9 | 9.9 | 17.1 | 5.3 | 25.1 | 11.3 |
| April | 27.7 | 11.6 | 22.0 | 6.6 | 30.1 | 11.9 |
| May | 28.0 | 13.3 | 34.2 | 10.6 | 58.3 | 12.0 |
| June | 25.7 | 14.1 | 56.3 | 16.9 | 162.5 | 10.4 |
| July | 24.5 | 13.7 | 77.7 | 24.1 | 152.8 | 10.2 |
| August | 24.0 | 13.8 | 74.5 | 23.1 | 174.9 | 10.0 |
| September | 23.7 | 13.7 | 67.0 | 20.1 | 178.0 | 9.3 |
| October | 23.2 | 12.0 | 44.8 | 13.9 | 89.1 | 9.5 |
| November | 23.2 | 9.1 | 17.7 | 5.3 | 26.4 | 10.1 |
| December | 22.3 | 7.7 | 14.8 | 4.6 | 16.7 | 10.2 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.