Climate averages 1991–2020
Cachoeira do Sul weather
in March.
A warm, wet month: the 4th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in Cachoeira do Sul: daytime highs average 27.5°C and nights cool to about 18.7°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 108 mm of rain on roughly 10 days, which makes March a wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 17 min on an average March day.
The nearest other city in this atlas is Santa Cruz do Sul (58 km away). In March its highs average 27.2°C, about as warm as Cachoeira do Sul, with 120 mm of rain.
Among the 448 cities listed in Brazil, Cachoeira do Sul ranks joint 255th of 448 for the warmest March highs and 64th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Cachoeira do Sul is 0.4°C cooler than that mean.
From March to April, average highs fall by 3.0°C to 24.5°C, and monthly rainfall rises from 108 mm to 125 mm.
The annual picture
March 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, selected | 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 | 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
March in nearby cities
- Santa Cruz do Sul in MarchBrazil · 58 kmHigh 27.2°C · Low 18.3°C · 120 mm rain
- Santa Maria in MarchBrazil · 96 kmHigh 27.1°C · Low 17.9°C · 124 mm rain
- Lajeado in MarchBrazil · 110 kmHigh 27.3°C · Low 18.3°C · 133 mm rain
- Guaíba in MarchBrazil · 151 kmHigh 27.6°C · Low 19.6°C · 111 mm rain
- Porto Alegre in MarchBrazil · 160 kmHigh 27.5°C · Low 19.3°C · 111 mm rain
- Bento Gonçalves in MarchBrazil · 164 kmHigh 24.4°C · Low 15.7°C · 154 mm rain
- Canoas in MarchBrazil · 165 kmHigh 27.5°C · Low 19.2°C · 111 mm rain
- São Leopoldo in MarchBrazil · 171 kmHigh 27.3°C · Low 18.8°C · 128 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.