Porto Alegre Weather in January
What's the weather like in Porto Alegre (Rio Grande do Sul) in January 2025?
The climate in Porto Alegre during January can be summarized as hot, humid and damp.
January is in the summer in Porto Alegre and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (85°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 29.5°C 85°F |
|---|---|
| Nightly temperature | 20°C 67.9°F |
| Average temperature | 24.7°C 76.5°F |
| Daily sunshine | 8.2 hrs |
| Avg rainfall | 104 mm 4.1 ins |
| Rainy days | 19 days |
| Sea temperature | 24.4°C 75.9°F |
| Humidity | 72% |
| Windspeed | 9.4kph 6 mph |
On average January is the 5th driest month of the year in Porto Alegre with around 104mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
January temperatures in Porto Alegre
January rainfall
January 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 Alegre in January 2025.
Other monthly averages
Best places to visit in January
Porto Alegre weather stats
| Hottest month: | January | 29.2°C 84.6°F |
|---|---|---|
| Driest month: | April | 92mm 3.6ins |
| Sunniest month: | December | 8.4hrs |
| Coldest month: | June | 18.6°C 65.5°F |
| Wettest month: | September | 141mm 5.6ins |
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