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May in Itaipu sees daytime temperatures around 27°C (81°F) and lows of 20°C (68°F) at night. With around 78 mm (3.1 in) of rainfall expected, it's worth packing a rain jacket.
If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Itaipu.
Pick a month to see the average temperature, rainfall and sunshine in Itaipu - and find the best time to visit.
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Itaipu in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. Expect water temperatures of around 24°C (75°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Itaipu climate overview or explore weather in Brazil.
Where to go in May - average daytime high across popular destinations.
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