São Miguel do Iguaçu Weather in May
What's the weather like in São Miguel do Iguaçu (Paraná) in May 2026?
The climate in São Miguel do Iguaçu during May can be summarized as warm and wet.
May is in the fall / autumn in São Miguel do Iguaçu and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 23.7°C 74.6°F |
|---|---|
| Nightly temperature | 12.4°C 54.2°F |
| Average temperature | 18°C 64.4°F |
| Daily sunshine | 5.4 hrs |
| Avg rainfall | 145 mm 5.7 ins |
| Rainy days | 8 days |
| Sea temperature | 21.2°C 70.2°F |
| Humidity | 83% |
| Windspeed | 7.6kph 5 mph |
On average May is the 6th wettest month of the year in São Miguel do Iguaçu with around 145mm 5.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 hours of sunshine per day.
May temperatures in São Miguel do Iguaçu
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in São Miguel do Iguaçu in May 2025.
Other monthly averages
São Miguel do Iguaçu weather stats
| Hottest month: | January | 30.9°C 87.6°F |
|---|---|---|
| Driest month: | July | 99mm 3.9ins |
| Sunniest month: | December | 7.4hrs |
| Coldest month: | June | 21.2°C 70.2°F |
| Wettest month: | October | 192mm 7.6ins |
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