Itaguaí Weather in May
What's the weather like in Itaguaí (Rio de Janeiro) in May 2025?
The climate in Itaguaí during May can be summarized as warm, humid and a little damp.
May is in the fall / autumn in Itaguaí and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 27°C 80.5°F |
|---|---|
| Nightly temperature | 17.9°C 64.1°F |
| Average temperature | 22.4°C 72.3°F |
| Daily sunshine | 6.7 hrs |
| Avg rainfall | 92 mm 3.6 ins |
| Rainy days | 11 days |
| Sea temperature | 24.3°C 75.8°F |
| Humidity | 79% |
| Windspeed | 6.5kph 4 mph |
On average May is the 4th driest month of the year in Itaguaí with around 92mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
May temperatures in Itaguaí
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 Itaguaí in May 2024.
Other monthly averages
Itaguaí weather stats
| Hottest month: | February | 31.2°C 88.2°F |
|---|---|---|
| Driest month: | July | 55mm 2.2ins |
| Sunniest month: | June | 6.9hrs |
| Coldest month: | July | 25.4°C 77.7°F |
| Wettest month: | December | 208mm 8.2ins |
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