Climate averages 1991–2020
Heroica Matamoros weather
in August.
A hot, moderately wet month: the warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Heroica Matamoros: daytime highs average 32.7°C and nights cool to about 26.1°C. By daytime temperature it is the warmest month of the year.
Expect about 52 mm of rain on roughly 10 days, which makes August a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 03 min on an average August day.
The nearest other city in this atlas is Ciudad Río Bravo (60 km away). In August its highs average 35.5°C, 2.8°C warmer than Heroica Matamoros, with 44 mm of rain.
Among the 153 cities listed in Mexico, Heroica Matamoros ranks joint 29th of 153 for the warmest August highs and 28th of 153 for the driest August (rainfall, lowest first). The mean August high of those 153 cities is 27.9°C; Heroica Matamoros is 4.8°C warmer than that mean.
From August to September, average highs fall by 2.1°C to 30.6°C, and monthly rainfall rises from 52 mm to 108 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
Heroica Matamoros climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.0°C13.7°C | 13.7°C | 32 | 5.7 | 10.711 h |
| February | 22.7°C15.4°C | 15.4°C | 27 | 5.3 | 11.311 h |
| March | 24.9°C17.7°C | 17.7°C | 38 | 5.6 | 12.012 h |
| April | 27.6°C20.6°C | 20.6°C | 47 | 5.9 | 12.813 h |
| May | 30.1°C23.6°C | 23.6°C | 45 | 7.0 | 13.413 h |
| June | 31.8°C25.6°C | 25.6°C | 58 | 10.3 | 13.714 h |
| July | 32.4°C26.0°C | 26.0°C | 64 | 8.8 | 13.614 h |
| August, selected | 32.7°C26.1°C | 26.1°C | 52 | 10.3 | 13.013 h |
| September | 30.6°C24.5°C | 24.5°C | 108 | 15.6 | 12.312 h |
| October | 28.4°C21.8°C | 21.8°C | 72 | 9.3 | 11.612 h |
| November | 24.8°C17.9°C | 17.9°C | 43 | 7.6 | 10.911 h |
| December | 22.0°C14.8°C | 14.8°C | 34 | 5.9 | 10.611 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
- Ciudad Río Bravo in AugustMexico · 60 kmHigh 35.5°C · Low 25.7°C · 44 mm rain
- Edinburg in AugustUnited States · 81 kmHigh 36.0°C · Low 25.8°C · 39 mm rain
- McAllen in AugustUnited States · 81 kmHigh 35.9°C · Low 25.7°C · 39 mm rain
- Reynosa in AugustMexico · 81 kmHigh 36.1°C · Low 25.8°C · 39 mm rain
- Mission in AugustUnited States · 90 kmHigh 36.1°C · Low 25.7°C · 39 mm rain
- Corpus Christi in AugustUnited States · 214 kmHigh 33.1°C · Low 25.8°C · 59 mm rain
- Linares in AugustMexico · 236 kmHigh 34.2°C · Low 22.5°C · 57 mm rain
- Ciudad Benito Juárez in AugustMexico · 260 kmHigh 33.1°C · Low 22.4°C · 48 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 Heroica Matamoros) is explained once on the Heroica Matamoros year overview and on the Sources, method and limits page.