Porto Alegre
August
Weather in Porto Alegre for August 2026
Your guide to Porto Alegre weather in August - trends and predictions
In general, the average temperature in Porto Alegre at the beginning of August is 22.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.1 °C by the end of August.
Porto Alegre experiences moderate rainfall in August, with an average of 8 rainy days and a total precipitation of 78.9 mm.
Temperatures
Rain 🌧️
23
Dry days
8
Rainy days
0
Snow days
20°/12°
Temperatures
14 km/h
Avg max wind
74 %
Avg humidity
Porto Alegre Weather August
Move between months or click on a day
Temperatures trend during August in Porto Alegre
See the weather trend as well as the moving average line
August weather in Porto Alegre day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Sunny | 25° /12° | 0 mm | 8 | |
| 2 Aug. | Sunny | 28° /16° | 0.4 mm | 8 | |
| 3 Aug. | Sunny | 25° /16° | 6.3 mm | 8 | |
| 4 Aug. |  Light drizzle | 19° /13° | 15 mm | 6 | |
| 5 Aug. |  Fog | 19° /14° | 1.3 mm | 6 | |
| 6 Aug. | Fog | 22° /14° | 1.5 mm | 6 | |
| 7 Aug. |  Light rain shower | 18° /14° | 20.1 mm | 5 | |
| 8 Aug. | Light rain shower | 15° /10° | 4.5 mm | 5 | |
| 9 Aug. | Patchy rain possible | 11° /7° | 0.3 mm | 4 | |
| 10 Aug. | Patchy rain possible | 16° /8° | 0 mm | 6 | |
| 11 Aug. | Sunny | 17° /8° | 0 mm | 6 | |
| 12 Aug. |  Partly cloudy | 17° /7° | 0 mm | 6 | |
| 13 Aug. | Sunny | 18° /7° | 0 mm | 6 | |
| 14 Aug. | Sunny | 18° /9° | 0.1 mm | 6 | |
| 15 Aug. | Partly cloudy | 21° /10° | 0 mm | 6 | |
| 16 Aug. | Sunny | 22° /12° | 0 mm | 7 | |
| 17 Aug. | Partly cloudy | 22° /14° | 0.2 mm | 7 | |
| 18 Aug. | Fog | 23° /14° | 0 mm | 6 | |
| 19 Aug. | Sunny | 24° /15° | 0.1 mm | 7 | |
| 20 Aug. | Patchy rain possible | 18° /16° | 0.9 mm | 5 | |
| 21 Aug. | Mist | 25° /14° | 0 mm | 7 | |
| 22 Aug. | Light rain shower | 22° /16° | 5.5 mm | 6 | |
| 23 Aug. |  Moderate rain | 19° /9° | 33.6 mm | 6 | |
| 24 Aug. | Patchy rain possible | 13° /8° | 2.9 mm | 4 | |
| 25 Aug. |  Overcast | 16° /8° | 0.1 mm | 6 | |
| 26 Aug. | Partly cloudy | 17° /7° | 0 mm | 6 | |
| 27 Aug. |  Cloudy | 19° /10° | 0 mm | 6 | |
| 28 Aug. | Partly cloudy | 22° /10° | 0 mm | 7 | |
| 29 Aug. | Sunny | 23° /12° | 0 mm | 8 | |
| 30 Aug. | Sunny | 25° /14° | 0 mm | 7 | |
| 31 Aug. | Cloudy | 26° /15° | 0 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Porto Alegre in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Porto Alegre forecast closer to your planned date for the most up-to-date weather information.
Change Month
Porto Alegre in August - FAQ
What are the expected maximum and minimum temperatures in Porto Alegre during August?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Porto Alegre during August?
Moderate rainfall is anticipated in Porto Alegre during August, with a total of 78.9 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Porto Alegre during August?
The average wind speed in Porto Alegre during August is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Porto Alegre
Explore the daily rainfall trends and prepare for Porto Alegres August weather 💧
Typically, Porto Alegre has 8 rainy days in August with a total of 78.9 mm of rainfall.
UV exposure in Porto Alegre during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Quick links
More Porto Alegre weather pages
You are here
Where is Porto Alegre?Get accurate weather forecasts for Porto Alegre, located at latitude -30.033 and longitude -51.23. Stay updated with localized weather information tailored for Porto Alegre.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.