Climate averages 1991–2020
Tapachula weather
in August.
A hot, very wet month: the joint 7th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Tapachula: daytime highs average 28.9°C and nights cool to about 20.9°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 571 mm of rain on roughly 31 days, which makes August a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 37 min on an average August day.
The nearest other city in this atlas is Malacatán (22 km away). In August its highs average 27.2°C, 1.6°C cooler than Tapachula, with 381 mm of rain.
Among the 153 cities listed in Mexico, Tapachula ranks 72nd of 153 for the warmest August highs and 153rd of 153 for the driest August (rainfall, lowest first). The mean August high of those 153 cities is 27.9°C; Tapachula is 1.0°C warmer than that mean.
From August to September, average highs fall by 0.9°C to 28.0°C, and monthly rainfall rises from 571 mm to 697 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Tapachula climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.8°C18.8°C | 18.8°C | 18 | 4.5 | 11.311 h |
| February | 30.6°C19.3°C | 19.3°C | 15 | 4.3 | 11.612 h |
| March | 31.1°C20.4°C | 20.4°C | 42 | 9.2 | 12.012 h |
| April | 31.3°C21.4°C | 21.4°C | 119 | 16.8 | 12.512 h |
| May | 29.8°C21.8°C | 21.8°C | 414 | 27.8 | 12.813 h |
| June | 28.4°C21.4°C | 21.4°C | 548 | 29.1 | 13.013 h |
| July | 28.9°C20.8°C | 20.8°C | 506 | 30.7 | 12.913 h |
| August, selected | 28.9°C20.9°C | 20.9°C | 571 | 30.6 | 12.613 h |
| September | 28.0°C20.9°C | 20.9°C | 697 | 29.5 | 12.212 h |
| October | 27.7°C20.5°C | 20.5°C | 617 | 29.9 | 11.812 h |
| November | 28.3°C19.8°C | 19.8°C | 245 | 21.4 | 11.411 h |
| December | 29.0°C19.1°C | 19.1°C | 44 | 9.4 | 11.311 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Malacatán in AugustGuatemala · 22 kmHigh 27.2°C · Low 18.3°C · 381 mm rain
- Coatepeque in AugustGuatemala · 48 kmHigh 26.7°C · Low 19.6°C · 555 mm rain
- Retalhuleu in AugustGuatemala · 75 kmHigh 28.8°C · Low 22.2°C · 361 mm rain
- Quetzaltenango in AugustGuatemala · 79 kmHigh 19.5°C · Low 13.7°C · 363 mm rain
- Mazatenango in AugustGuatemala · 91 kmHigh 27.7°C · Low 20.9°C · 452 mm rain
- Huehuetenango in AugustGuatemala · 96 kmHigh 22.2°C · Low 12.6°C · 157 mm rain
- Totonicapán in AugustGuatemala · 97 kmHigh 19.5°C · Low 12.6°C · 186 mm rain
- Santa Cruz del Quiché in AugustGuatemala · 120 kmHigh 21.4°C · Low 13.4°C · 186 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Tapachula) is explained once on the Tapachula year overview and on the Sources, method and limits page.