Oeiras Weather in May
What's the weather like in Oeiras (Piauí) in May 2025?
The climate in Oeiras during May can be summarized as hot and dry.
May is in the fall / autumn in Oeiras and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a warm 32°C (89°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 31.8°C 89.2°F |
|---|---|
| Nightly temperature | 21°C 69.8°F |
| Average temperature | 26.4°C 79.5°F |
| Daily sunshine | 8.6 hrs |
| Avg rainfall | 20 mm 0.8 ins |
| Rainy days | 26 days |
| Sea temperature | 27.6°C 81.7°F |
| Humidity | 68% |
| Windspeed | 6.8kph 4 mph |
On average May is the 5th driest month of the year in Oeiras with around 20mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 26 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 hours of sunshine per day.
May temperatures in Oeiras
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 Oeiras in May 2024.
Other monthly averages
Oeiras weather stats
| Hottest month: | September | 35.6°C 96.1°F |
|---|---|---|
| Driest month: | August | 1mm 0ins |
| Sunniest month: | August | 10hrs |
| Coldest month: | March | 31.1°C 88°F |
| Wettest month: | March | 177mm 7ins |
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