Climate averages 1991–2020
Oaxaca weather
in August.
A warm, wet month: the 6th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Oaxaca: daytime highs average 24.9°C and nights cool to about 15.6°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 125 mm of rain on roughly 15 days, which makes August a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 42 min on an average August day.
The nearest other city in this atlas is Tuxtepec (131 km away). In August its highs average 30.7°C, 5.9°C warmer than Oaxaca, with 340 mm of rain.
Among the 153 cities listed in Mexico, Oaxaca ranks joint 103rd of 153 for the warmest August highs and 76th of 153 for the driest August (rainfall, lowest first). The mean August high of those 153 cities is 27.9°C; Oaxaca is 3.1°C cooler than that mean.
From August to September, average highs fall by 0.9°C to 24.0°C, and monthly rainfall rises from 125 mm to 160 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
Oaxaca climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.3°C11.3°C | 11.3°C | 3.0 | 0.6 | 11.211 h |
| February | 26.4°C12.1°C | 12.1°C | 4.6 | 1.1 | 11.612 h |
| March | 28.2°C13.3°C | 13.3°C | 16 | 2.9 | 12.012 h |
| April | 29.5°C14.9°C | 14.9°C | 29 | 4.9 | 12.513 h |
| May | 28.3°C15.9°C | 15.9°C | 73 | 9.3 | 12.913 h |
| June | 25.4°C16.0°C | 16.0°C | 163 | 17.0 | 13.113 h |
| July | 24.7°C15.3°C | 15.3°C | 104 | 13.9 | 13.013 h |
| August, selected | 24.9°C15.6°C | 15.6°C | 125 | 15.1 | 12.713 h |
| September | 24.0°C15.7°C | 15.7°C | 160 | 17.1 | 12.212 h |
| October | 23.8°C14.6°C | 14.6°C | 71 | 8.7 | 11.812 h |
| November | 23.8°C12.8°C | 12.8°C | 9.8 | 2.0 | 11.311 h |
| December | 24.1°C11.7°C | 11.7°C | 3.5 | 0.7 | 11.111 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
- Tuxtepec in AugustMexico · 131 kmHigh 30.7°C · Low 23.8°C · 340 mm rain
- Tehuacán in AugustMexico · 172 kmHigh 24.9°C · Low 14.5°C · 83 mm rain
- Salina Cruz in AugustMexico · 191 kmHigh 31.9°C · Low 25.4°C · 163 mm rain
- Heroica Ciudad de Juchitán de Zaragoza in AugustMexico · 194 kmHigh 32.1°C · Low 24.8°C · 146 mm rain
- Orizaba in AugustMexico · 203 kmHigh 24.8°C · Low 15.7°C · 142 mm rain
- Córdoba, Mexico in AugustMexico · 204 kmHigh 25.5°C · Low 17.0°C · 130 mm rain
- Veracruz in AugustMexico · 244 kmHigh 30.6°C · Low 24.1°C · 196 mm rain
- Minatitlán in AugustMexico · 253 kmHigh 29.8°C · Low 24.0°C · 331 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 Oaxaca) is explained once on the Oaxaca year overview and on the Sources, method and limits page.