Climate averages 1991–2020
Rio do Sul weather
in April.
A warm, moderately wet month: the 6th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in Rio do Sul: daytime highs average 24.4°C and nights cool to about 16.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 82 mm of rain on roughly 9 days, which makes April a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 28 min on an average April day.
The nearest other city in this atlas is Indaial (54 km away). In April its highs average 25.1°C, 0.7°C warmer than Rio do Sul, with 96 mm of rain.
Among the 448 cities listed in Brazil, Rio do Sul ranks joint 397th of 448 for the warmest April highs and joint 195th of 448 for the driest April (rainfall, lowest first). The mean April high of those 448 cities is 27.0°C; Rio do Sul is 2.5°C cooler than that mean.
From April to May, average highs fall by 3.4°C to 21.0°C, and monthly rainfall rises from 82 mm to 105 mm.
The annual picture
April 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
Rio do Sul climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.9°C20.0°C | 20.0°C | 184 | 20.3 | 13.614 h |
| February | 27.8°C20.2°C | 20.2°C | 156 | 18.5 | 13.013 h |
| March | 26.6°C19.2°C | 19.2°C | 105 | 15.1 | 12.312 h |
| April, selected | 24.4°C16.7°C | 16.7°C | 82 | 9.3 | 11.511 h |
| May | 21.0°C13.1°C | 13.1°C | 105 | 9.2 | 10.811 h |
| June | 19.5°C11.4°C | 11.4°C | 111 | 9.7 | 10.510 h |
| July | 19.2°C10.5°C | 10.5°C | 99 | 9.8 | 10.611 h |
| August | 20.9°C11.8°C | 11.8°C | 94 | 9.3 | 11.211 h |
| September | 22.1°C13.8°C | 13.8°C | 151 | 12.4 | 11.912 h |
| October | 23.8°C15.9°C | 15.9°C | 150 | 15.1 | 12.713 h |
| November | 25.3°C17.1°C | 17.1°C | 121 | 14.7 | 13.413 h |
| December | 27.3°C19.0°C | 19.0°C | 148 | 16.4 | 13.814 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
April in nearby cities
- Indaial in AprilBrazil · 54 kmHigh 25.1°C · Low 17.8°C · 96 mm rain
- Blumenau in AprilBrazil · 66 kmHigh 25.4°C · Low 18.3°C · 93 mm rain
- Brusque in AprilBrazil · 73 kmHigh 25.6°C · Low 18.3°C · 93 mm rain
- Gaspar in AprilBrazil · 75 kmHigh 25.4°C · Low 18.4°C · 93 mm rain
- Lages in AprilBrazil · 95 kmHigh 21.1°C · Low 12.9°C · 99 mm rain
- Jaraguá do Sul in AprilBrazil · 99 kmHigh 25.4°C · Low 18.5°C · 101 mm rain
- Camboriú in AprilBrazil · 100 kmHigh 25.2°C · Low 19.5°C · 98 mm rain
- Balneário Camboriú in AprilBrazil · 103 kmHigh 24.9°C · Low 19.7°C · 98 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 Rio do Sul) is explained once on the Rio do Sul year overview and on the Sources, method and limits page.