Iaçu Weather in May
What's the weather like in Iaçu (Estado de Bahía) in May 2025?
The climate in Iaçu during May can be summarized as hot, humid and reasonably dry.
May is in the fall / autumn in Iaçu and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a muggy 29°C (85°F), whilst at night 19°C (66°F) is normal.
| Daytime temperature | 29.2°C 84.5°F |
|---|---|
| Nightly temperature | 19.1°C 66.3°F |
| Average temperature | 24.1°C 75.4°F |
| Daily sunshine | 4 hrs |
| Avg rainfall | 31 mm 1.2 ins |
| Rainy days | 20 days |
| Sea temperature | 27°C 80.6°F |
| Humidity | 78% |
| Windspeed | 9kph 6 mph |
On average May is the 5th driest month of the year in Iaçu with around 31mm 1.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 hours of sunshine per day.
May temperatures in Iaçu
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 Iaçu in May 2025.
Other monthly averages
Iaçu weather stats
| Hottest month: | February | 31.4°C 88.5°F |
|---|---|---|
| Driest month: | September | 13mm 0.5ins |
| Sunniest month: | March | 5.1hrs |
| Coldest month: | July | 26.9°C 80.4°F |
| Wettest month: | December | 102mm 4ins |
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