Rio do Sul in May
7.6out of 10
Yes, a good time to go
Mild: highs around 21°C. Frequent rain: about 9 rainy days.
21°CAvg high
12°CAvg low
9Rainy days (104 mm)
10:39 hDaylight
06:55Sunrise · 17:35 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 9 rainy days
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±3.6 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 28°C | 19°C | 184 mm | 21 | – | – | 6.1 |
| February | 28°C | 19°C | 156 mm | 19 | – | – | 6.3 |
| March | 27°C | 18°C | 105 mm | 15 | – | – | 6.9 |
| April | 24°C | 15°C | 82 mm | 9 | – | – | 7.8 |
| May | 21°C | 12°C | 104 mm | 9 | – | – | 7.6 |
| June | 19°C | 10°C | 111 mm | 10 | – | – | 7.2 |
| July | 19°C | 9°C | 99 mm | 10 | – | – | 7.2 |
| August | 21°C | 10°C | 94 mm | 10 | – | – | 7.5 |
| September | 22°C | 12°C | 151 mm | 12 | – | – | 7.0 |
| October | 23°C | 15°C | 150 mm | 15 | – | – | 6.7 |
| November | 25°C | 16°C | 121 mm | 15 | – | – | 6.9 |
| December | 27°C | 18°C | 148 mm | 17 | – | – | 6.5 |
Frequently asked questions
How hot is Rio do Sul in May?
Daytime highs average 21°C and nights about 12°C.
When is the best time to visit Rio do Sul?
The best months are April, May, August, June.