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Tlalpan weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Tlalpan?
For a warm holiday, the best week has been 26 March – 1 April (Weather Index 97). Favourable start dates for a 7-day trip run from 21 March to 2 April. 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 17% rain-day chance
- Wettest
- July 89% 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 Tlalpan
Tlalpan 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 | 21.5 | 6.2 | 16.8 | 5.2 | 25.3 | 10.1 |
| February | 23.8 | 7.3 | 18.2 | 5.1 | 29.4 | 10.8 |
| March | 25.5 | 9.0 | 25.2 | 7.8 | 43.5 | 11.2 |
| April | 26.3 | 10.6 | 31.3 | 9.4 | 57.2 | 11.8 |
| May | 26.8 | 12.2 | 50.3 | 15.6 | 101.1 | 11.8 |
| June | 24.9 | 13.4 | 63.0 | 18.9 | 209.9 | 10.1 |
| July | 23.6 | 12.8 | 88.7 | 27.5 | 256.4 | 10.1 |
| August | 23.4 | 13.1 | 87.4 | 27.1 | 254.7 | 9.8 |
| September | 23.3 | 13.3 | 76.3 | 22.9 | 207.2 | 9.2 |
| October | 22.9 | 11.7 | 46.1 | 14.3 | 91.7 | 9.5 |
| November | 22.7 | 8.5 | 21.7 | 6.5 | 38.0 | 10.2 |
| December | 21.6 | 6.8 | 18.1 | 5.6 | 26.9 | 10.3 |
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.