Iaçu in May
8.1out of 10
Yes, a good time to go
Hot: daytime highs around 30°C. Some rain: about 5 rainy days.
30°CAvg high
21°CAvg low
5Rainy days (18 mm)
11:25 hDaylight
05:55Sunrise · 17:19 Sunset
Why this score
- Hot: daytime highs around 30°C
- Some rain: about 5 rainy days
What to wear and pack
- Light, breathable clothing
- Shorts or a light skirt
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rainfall in May is fairly consistent from year to year (2.1 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 | 33°C | 22°C | 56 mm | 7 | – | – | 7.2 |
| February | 33°C | 22°C | 38 mm | 6 | – | – | 7.2 |
| March | 33°C | 22°C | 53 mm | 8 | – | – | 7.0 |
| April | 32°C | 22°C | 37 mm | 7 | – | – | 7.4 |
| May | 30°C | 21°C | 18 mm | 5 | – | – | 8.1 |
| June | 29°C | 19°C | 14 mm | 5 | – | – | 8.5 |
| July | 28°C | 18°C | 14 mm | 5 | – | – | 8.4 |
| August | 29°C | 18°C | 11 mm | 4 | – | – | 8.6 |
| September | 30°C | 19°C | 11 mm | 2 | – | – | 8.4 |
| October | 32°C | 21°C | 21 mm | 4 | – | – | 7.7 |
| November | 32°C | 21°C | 53 mm | 7 | – | – | 7.4 |
| December | 32°C | 22°C | 55 mm | 7 | – | – | 7.3 |
Frequently asked questions
How hot is Iaçu in May?
Daytime highs average 30°C and nights about 21°C.
When is the best time to visit Iaçu?
The best months are August, June, July, September.