Average annual temperature is 23.5 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 7.6 °C
Number of sunny days: 158 days
Number of rainy days: 207 days
Look at detailed online map of Arroio Guaçu
* Weather data for Arroio Guaçu Brazil is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.4 | 33.4 | 33.7 | 31.8 | 29.4 | 27.6 | 29.5 | 33.9 | 38.5 | 36.2 | 37.7 | 36.5 |
| Average daytime temperature (°C) | 30.6 | 29.1 | 30.2 | 27.3 | 25.5 | 23.4 | 24.7 | 27.6 | 31.0 | 30.8 | 30.6 | 31.7 |
| Average temperature (°C) | 25.9 | 24.5 | 25.4 | 22.5 | 20.5 | 18.2 | 19.7 | 21.8 | 25.0 | 25.6 | 25.8 | 26.8 |
| Average night temperature (°C) | 22.0 | 21.0 | 21.8 | 18.9 | 16.9 | 14.4 | 16.2 | 17.6 | 20.1 | 21.5 | 22.2 | 23.2 |
| Absolute minimum temperature (°C) | 18.6 | 15.5 | 19.0 | 13.7 | 10.3 | 7.6 | 8.5 | 13.3 | 10.1 | 15.7 | 12.5 | 18.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.4 | 12.9 | 12.2 | 11.5 | 10.9 | 10.7 | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 10.7 | 9.1 | 9.9 | 9.2 | 8.5 | 7.4 | 7.8 | 9.0 | 9.2 | 9.1 | 9.1 | 10.4 |
| Precipitation (mm) | 163 | 225 | 171 | 101 | 37 | 62 | 102 | 85 | 86 | 314 | 204 | 192 |
| Sunny days | 11 | 5 | 7 | 15 | 19 | 20 | 20 | 18 | 15 | 8 | 7 | 13 |
| Rainy days | 20 | 23 | 24 | 15 | 12 | 10 | 11 | 13 | 15 | 23 | 23 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arroio Guaçu is at