Setúbal Weather in August
August in Setúbal averages 28°C (82°F) during the day and 18°C (64°F) at night. With only 4.8 mm (0.2 in) of rainfall expected on average, it's a largely dry month.
Rainfall in Setúbal in August
Expect around 2 days of rain based on historical data, with 4.8 mm (0.2 in) average. On the rare occasion it rains this month, it usually amounts to very little.
Temperature in Setúbal in August
The temperature in Setúbal in August is perfect. Daytime highs reach 28°C (82°F), with nights dropping to 18°C (64°F). August is in the summer season. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. This is typically the warmest month of the year, so light summer clothing is a good idea.
Sunshine in Setúbal in August
The city usually sees around 350 hours of sunlight, indicating many sunny days — a great month for sightseeing.If your ideal day consists of dry skies and pleasant temperatures, April, May, June, July, August, September and October typically offer the best circumstances for Setúbal.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Setúbal's climate page.
Setúbal Temperature in August
Min Temperature
18°C (64°F)
Max Temperature
28°C (82°F)
Chance of Rain
5%
Precipitation
4.8 mm (0.2 in)
Rainy days
2 days
Sunshine
350 hours *
Percentage Sunshine
82% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Setúbal typically stay consistent throughout August, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows around 18°C (64°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Setúbal in August
Browse day-by-day weather records for Setúbal spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Setúbal historical weather extremes in August
Based on 49 years of weather observations in Setúbal between 1976 and 2025, these are the recorded extremes.
- The hottest August day on record in Setúbal reached 43°C (109°F) (August 4, 2018).
- The lowest daytime temperature in August was 20°C (68°F), recorded on August 26, 1993.
- Nighttime temperatures dropped to 11°C (52°F) on August 13, 1983, marking the coldest August night on record.
Best Places in Portugal in August
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in August →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Setúbal in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Setúbal in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Setúbal's climate page.
See the full Setúbal climate overview or explore weather in Portugal.
