São Lourenço do Sul Weather in May
What's the weather like in São Lourenço do Sul (Rio Grande do Sul) in May 2026?
The climate in São Lourenço do Sul during May can be summarized as mild and damp.
May is in the fall / autumn in São Lourenço do Sul and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 20.7°C 69.3°F |
|---|---|
| Nightly temperature | 12.2°C 53.9°F |
| Average temperature | 16.4°C 61.6°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 103 mm 4 ins |
| Rainy days | 13 days |
| Sea temperature | 19.8°C 67.7°F |
| Humidity | 83% |
| Windspeed | 7.4kph 5 mph |
On average May is the 4th driest month of the year in São Lourenço do Sul with around 103mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 13 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 São Lourenço do Sul
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 São Lourenço do Sul in May 2025.
Other monthly averages
São Lourenço do Sul weather stats
| Hottest month: | January | 28.4°C 83.1°F |
|---|---|---|
| Driest month: | December | 80mm 3.1ins |
| Sunniest month: | December | 9.1hrs |
| Coldest month: | July | 17.3°C 63.1°F |
| Wettest month: | August | 138mm 5.4ins |
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