Arroio Grande in May
7.5out of 10
Yes, a good time to go
Mild: highs around 20°C. Frequent rain: about 9 rainy days.
20°CAvg high
13°CAvg low
9Rainy days (96 mm)
10:21 hDaylight
07:18Sunrise · 17:39 Sunset
Why this score
- Mild: highs around 20°C
- Frequent rain: about 9 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in May is fairly consistent from year to year (2.8 days). 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 | 20°C | 111 mm | 11 | – | – | 7.5 |
| February | 27°C | 20°C | 109 mm | 11 | – | – | 7.4 |
| March | 26°C | 19°C | 103 mm | 10 | – | – | 7.7 |
| April | 23°C | 16°C | 124 mm | 10 | – | – | 7.6 |
| May | 20°C | 13°C | 96 mm | 9 | – | – | 7.5 |
| June | 17°C | 10°C | 110 mm | 9 | – | – | 6.9 |
| July | 16°C | 9°C | 107 mm | 9 | – | – | 6.8 |
| August | 18°C | 10°C | 107 mm | 9 | – | – | 7.2 |
| September | 19°C | 11°C | 124 mm | 10 | – | – | 7.0 |
| October | 22°C | 14°C | 133 mm | 10 | – | – | 7.4 |
| November | 24°C | 16°C | 98 mm | 8 | – | – | 7.9 |
| December | 27°C | 18°C | 96 mm | 10 | – | – | 7.7 |
Frequently asked questions
How hot is Arroio Grande in May?
Daytime highs average 20°C and nights about 13°C.
When is the best time to visit Arroio Grande?
The best months are November, March, December, April.