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Tláhuac weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Tláhuac?
For a warm holiday, the best week has been 18–24 May (Weather Index 97). Several start dates remain plausible, and the best timing varies between years. May is warmest (27°C), January is driest and April and May have the most sun.
- Warmest
- May 27°C
- Coolest
- January and December 22°C
- Driest
- January 10% rain-day chance
- Wettest
- July and August 90% 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 Tláhuac
Tláhuac 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 | 21.7 | 7.5 | 10.3 | 3.2 | 17.4 | 10.2 |
| February | 24.0 | 8.9 | 13.6 | 3.8 | 15.3 | 10.9 |
| March | 25.7 | 10.7 | 17.7 | 5.5 | 26.5 | 11.2 |
| April | 26.5 | 12.2 | 15.3 | 4.6 | 25.3 | 11.8 |
| May | 27.2 | 13.8 | 34.8 | 10.8 | 62.5 | 11.9 |
| June | 25.0 | 14.3 | 62.7 | 18.8 | 240.3 | 10.3 |
| July | 23.5 | 13.3 | 89.7 | 27.8 | 383.9 | 10.4 |
| August | 23.3 | 13.5 | 90.3 | 28.0 | 371.8 | 10.1 |
| September | 23.2 | 13.7 | 79.0 | 23.7 | 288.7 | 9.4 |
| October | 23.0 | 12.0 | 47.7 | 14.8 | 115.2 | 9.8 |
| November | 22.9 | 9.2 | 16.7 | 5.0 | 38.7 | 10.3 |
| December | 21.8 | 7.8 | 10.6 | 3.3 | 16.2 | 10.4 |
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.