Porto Real Weather in May
What's the weather like in Porto Real (Rio de Janeiro) in May 2025?
The climate in Porto Real during May can be summarized as warm and reasonably dry.
May is in the fall / autumn in Porto Real and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 26°C (78°F), whilst at night 14°C (57°F) is normal.
| Daytime temperature | 25.6°C 78°F |
|---|---|
| Nightly temperature | 13.9°C 56.9°F |
| Average temperature | 19.7°C 67.5°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 36 mm 1.4 ins |
| Rainy days | 10 days |
| Sea temperature | 24°C 75.2°F |
| Humidity | 81% |
| Windspeed | 6.5kph 4 mph |
On average May is the 4th driest month of the year in Porto Real with around 36mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
May temperatures in Porto Real
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 Porto Real in May 2025.
Other monthly averages
Porto Real weather stats
| Hottest month: | February | 29.8°C 85.6°F |
|---|---|---|
| Driest month: | July | 17mm 0.7ins |
| Sunniest month: | July | 6.6hrs |
| Coldest month: | July | 24°C 75.2°F |
| Wettest month: | January | 252mm 9.9ins |
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