Jaú Weather in May
What's the weather like in Jaú (São Paulo) in May 2026?
The climate in Jaú during May can be summarized as warm, humid and reasonably dry.
May is in the fall / autumn in Jaú and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 14°C (57°F) is normal.
| Daytime temperature | 26.2°C 79.1°F |
|---|---|
| Nightly temperature | 14.1°C 57.3°F |
| Average temperature | 20.1°C 68.2°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 46 mm 1.8 ins |
| Rainy days | 7 days |
| Sea temperature | 23.3°C 73.9°F |
| Humidity | 72% |
| Windspeed | 5.8kph 4 mph |
On average May is the 3rd driest month of the year in Jaú with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 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 Jaú
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 Jaú in May 2025.
Other monthly averages
Jaú weather stats
| Hottest month: | February | 29.7°C 85.5°F |
|---|---|---|
| Driest month: | August | 22mm 0.9ins |
| Sunniest month: | July | 6.4hrs |
| Coldest month: | June | 24.4°C 75.9°F |
| Wettest month: | January | 220mm 8.7ins |
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