Climate averages 1991–2020
Cachoeira do Sul weather
in August.
A mild, wet month: the 10th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Cachoeira do Sul: daytime highs average 20.2°C and nights cool to about 10.3°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 121 mm of rain on roughly 10 days, which makes August a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 02 min on an average August day.
The nearest other city in this atlas is Santa Cruz do Sul (58 km away). In August its highs average 20.5°C, about as warm as Cachoeira do Sul, with 125 mm of rain.
Among the 448 cities listed in Brazil, Cachoeira do Sul ranks joint 420th of 448 for the warmest August highs and joint 434th of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Cachoeira do Sul is 6.0°C cooler than that mean.
From August to September, average highs rise by 1.1°C to 21.3°C, and monthly rainfall rises from 121 mm to 153 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
Cachoeira do Sul climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C20.1°C | 20.1°C | 133 | 13.0 | 13.814 h |
| February | 28.9°C20.1°C | 20.1°C | 118 | 11.9 | 13.213 h |
| March | 27.5°C18.7°C | 18.7°C | 108 | 10.3 | 12.312 h |
| April | 24.5°C15.7°C | 15.7°C | 125 | 9.4 | 11.411 h |
| May | 20.6°C12.3°C | 12.3°C | 120 | 9.0 | 10.611 h |
| June | 18.5°C10.1°C | 10.1°C | 133 | 9.7 | 10.210 h |
| July | 17.9°C9.0°C | 9.0°C | 146 | 10.5 | 10.410 h |
| August, selected | 20.2°C10.3°C | 10.3°C | 121 | 10.0 | 11.011 h |
| September | 21.3°C12.0°C | 12.0°C | 153 | 10.8 | 11.912 h |
| October | 23.7°C14.5°C | 14.5°C | 190 | 12.0 | 12.813 h |
| November | 26.1°C16.1°C | 16.1°C | 126 | 10.0 | 13.614 h |
| December | 28.7°C18.7°C | 18.7°C | 132 | 11.2 | 14.014 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
- Santa Cruz do Sul in AugustBrazil · 58 kmHigh 20.5°C · Low 10.3°C · 125 mm rain
- Santa Maria in AugustBrazil · 96 kmHigh 20.2°C · Low 9.8°C · 122 mm rain
- Lajeado in AugustBrazil · 110 kmHigh 20.7°C · Low 10.5°C · 126 mm rain
- Guaíba in AugustBrazil · 151 kmHigh 20.4°C · Low 11.0°C · 120 mm rain
- Porto Alegre in AugustBrazil · 160 kmHigh 20.6°C · Low 11.0°C · 120 mm rain
- Bento Gonçalves in AugustBrazil · 164 kmHigh 18.8°C · Low 8.8°C · 139 mm rain
- Canoas in AugustBrazil · 165 kmHigh 20.7°C · Low 11.0°C · 120 mm rain
- São Leopoldo in AugustBrazil · 171 kmHigh 20.8°C · Low 10.8°C · 130 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 Cachoeira do Sul) is explained once on the Cachoeira do Sul year overview and on the Sources, method and limits page.