Climate averages 1991–2020
Cachoeira do Sul weather
in May.
A mild, wet month: the 9th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Cachoeira do Sul: daytime highs average 20.6°C and nights cool to about 12.3°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 120 mm of rain on roughly 9 days, which makes May a wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 38 min on an average May day.
The nearest other city in this atlas is Santa Cruz do Sul (58 km away). In May its highs average 20.6°C, about as warm as Cachoeira do Sul, with 123 mm of rain.
Among the 448 cities listed in Brazil, Cachoeira do Sul ranks joint 416th of 448 for the warmest May highs and joint 351st of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; Cachoeira do Sul is 4.7°C cooler than that mean.
From May to June, average highs fall by 2.1°C to 18.5°C, and monthly rainfall rises from 120 mm to 133 mm.
The annual picture
May 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, selected | 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
May in nearby cities
- Santa Cruz do Sul in MayBrazil · 58 kmHigh 20.6°C · Low 12.1°C · 123 mm rain
- Santa Maria in MayBrazil · 96 kmHigh 20.3°C · Low 11.6°C · 127 mm rain
- Lajeado in MayBrazil · 110 kmHigh 20.9°C · Low 12.2°C · 122 mm rain
- Guaíba in MayBrazil · 151 kmHigh 21.1°C · Low 13.3°C · 107 mm rain
- Porto Alegre in MayBrazil · 160 kmHigh 21.1°C · Low 13.2°C · 107 mm rain
- Bento Gonçalves in MayBrazil · 164 kmHigh 18.3°C · Low 10.1°C · 139 mm rain
- Canoas in MayBrazil · 165 kmHigh 21.1°C · Low 13.1°C · 107 mm rain
- São Leopoldo in MayBrazil · 171 kmHigh 21.1°C · Low 12.8°C · 120 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.