Viamão Weather in May
What's the weather like in Viamão (Rio Grande do Sul) in May 2025?
The climate in Viamão during May can be summarized as mild and a little damp.
May is in the fall / autumn in Viamão and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 21.1°C 69.9°F |
|---|---|
| Nightly temperature | 12.4°C 54.2°F |
| Average temperature | 16.7°C 62.1°F |
| Daily sunshine | 5.8 hrs |
| Avg rainfall | 97 mm 3.8 ins |
| Rainy days | 14 days |
| Sea temperature | 20.3°C 68.6°F |
| Humidity | 82% |
| Windspeed | 6.1kph 4 mph |
On average May is the driest month of the year in Viamão with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.8 hours of sunshine per day.
May temperatures in Viamão
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 Viamão in May 2024.
Other monthly averages
Viamão weather stats
| Hottest month: | January | 28.5°C 83.3°F |
|---|---|---|
| Driest month: | May | 97mm 3.8ins |
| Sunniest month: | December | 8.3hrs |
| Coldest month: | July | 18.4°C 65.1°F |
| Wettest month: | September | 144mm 5.7ins |
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