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Tuxtla weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Tuxtla?
For a warm holiday, the best week has been 11–17 January (Weather Index 96). Favourable start dates for a 7-day trip run from 10 December to 25 January. April and May are warmest (34°C), January is driest and April has the most sun.
- Warmest
- April and May 34°C
- Coolest
- October to January 30°C
- Driest
- January 6% rain-day chance
- Wettest
- September 94% rain-day chance
- Sunniest
- April 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 Tuxtla
Tuxtla 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 | 29.6 | 18.3 | 5.8 | 1.8 | 7.3 | 10.6 |
| February | 31.3 | 18.8 | 6.8 | 1.9 | 8.3 | 10.8 |
| March | 33.3 | 20.7 | 8.4 | 2.6 | 8.2 | 11.2 |
| April | 34.4 | 22.0 | 23.7 | 7.1 | 26.7 | 11.8 |
| May | 34.2 | 23.2 | 54.8 | 17.0 | 141.7 | 11.4 |
| June | 31.6 | 22.6 | 89.3 | 26.8 | 348.4 | 9.5 |
| July | 31.9 | 21.9 | 79.4 | 24.6 | 261.1 | 10.8 |
| August | 31.5 | 22.1 | 85.2 | 26.4 | 295.3 | 10.3 |
| September | 31.0 | 22.2 | 94.0 | 28.2 | 352.9 | 9.5 |
| October | 30.3 | 21.9 | 56.1 | 17.4 | 179.4 | 9.7 |
| November | 29.5 | 20.3 | 22.7 | 6.8 | 32.1 | 9.9 |
| December | 29.6 | 18.9 | 9.0 | 2.8 | 14.3 | 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.