Climate averages 1991–2020
Santa Cruz do Sul weather
in August.
A mild, wet month: the 10th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Santa Cruz do Sul: daytime highs average 20.5°C and nights cool to about 10.3°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 125 mm of rain on roughly 10 days, which makes August a wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 03 min on an average August day.
The nearest other city in this atlas is Lajeado (53 km away). In August its highs average 20.7°C, about as warm as Santa Cruz do Sul, with 126 mm of rain.
Among the 448 cities listed in Brazil, Santa Cruz do Sul ranks joint 413th of 448 for the warmest August highs and 440th of 448 for the driest August (rainfall, lowest first). The mean August high of those 448 cities is 26.2°C; Santa Cruz do Sul is 5.7°C cooler than that mean.
From August to September, average highs rise by 1.0°C to 21.5°C, and monthly rainfall rises from 125 mm to 161 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
Santa Cruz do Sul climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.9°C19.7°C | 19.7°C | 155 | 14.9 | 13.814 h |
| February | 28.4°C19.7°C | 19.7°C | 141 | 14.1 | 13.113 h |
| March | 27.2°C18.3°C | 18.3°C | 120 | 12.5 | 12.312 h |
| April | 24.4°C15.4°C | 15.4°C | 127 | 10.0 | 11.411 h |
| May | 20.6°C12.1°C | 12.1°C | 123 | 9.7 | 10.611 h |
| June | 18.8°C10.1°C | 10.1°C | 131 | 10.0 | 10.310 h |
| July | 18.3°C9.0°C | 9.0°C | 154 | 10.6 | 10.410 h |
| August, selected | 20.5°C10.3°C | 10.3°C | 125 | 10.3 | 11.111 h |
| September | 21.5°C11.9°C | 11.9°C | 161 | 11.6 | 11.912 h |
| October | 23.7°C14.3°C | 14.3°C | 199 | 13.5 | 12.813 h |
| November | 25.9°C15.8°C | 15.8°C | 135 | 11.6 | 13.614 h |
| December | 28.3°C18.3°C | 18.3°C | 152 | 13.1 | 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
- Lajeado in AugustBrazil · 53 kmHigh 20.7°C · Low 10.5°C · 126 mm rain
- Cachoeira do Sul in AugustBrazil · 58 kmHigh 20.2°C · Low 10.3°C · 121 mm rain
- Bento Gonçalves in AugustBrazil · 107 kmHigh 18.8°C · Low 8.8°C · 139 mm rain
- Guaíba in AugustBrazil · 115 kmHigh 20.4°C · Low 11.0°C · 120 mm rain
- Farroupilha in AugustBrazil · 118 kmHigh 18.3°C · Low 8.4°C · 140 mm rain
- Porto Alegre in AugustBrazil · 120 kmHigh 20.6°C · Low 11.0°C · 120 mm rain
- Canoas in AugustBrazil · 122 kmHigh 20.7°C · Low 11.0°C · 120 mm rain
- São Leopoldo in AugustBrazil · 124 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 Santa Cruz do Sul) is explained once on the Santa Cruz do Sul year overview and on the Sources, method and limits page.