Weather in Portimão for August 2026
In general, the average temperature in Portimão at the beginning of August is 29.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.6 °C by the end of August.
Precipitation in Portimão during August is a rare event, with an average of fewer than 2 rainy days.
Is August a good time to visit Portimão? check out the best time to travel to Portimão page.
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Portimão Weather August
Temperatures trend during August in Portimão
August weather in Portimão day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Sunny | 30° /18° | 0 mm | 7 | |
| 2 Aug. | Sunny | 29° /17° | 0 mm | 7 | |
| 3 Aug. | Sunny | 30° /17° | 0 mm | 7 | |
| 4 Aug. | Sunny | 29° /18° | 0 mm | 7 | |
| 5 Aug. | Sunny | 30° /19° | 0 mm | 7 | |
| 6 Aug. | Sunny | 30° /18° | 0 mm | 7 | |
| 7 Aug. | Sunny | 29° /18° | 0 mm | 7 | |
| 8 Aug. | Sunny | 29° /17° | 0 mm | 7 | |
| 9 Aug. | Sunny | 29° /17° | 0 mm | 7 | |
| 10 Aug. | Sunny | 31° /19° | 0 mm | 7 | |
| 11 Aug. | Sunny | 32° /19° | 0 mm | 8 | |
| 12 Aug. | Sunny | 32° /21° | 0 mm | 8 | |
| 13 Aug. | Sunny | 29° /19° | 0 mm | 7 | |
| 14 Aug. |  Overcast | 28° /18° | 0 mm | 7 | |
| 15 Aug. | Sunny | 30° /17° | 0 mm | 7 | |
| 16 Aug. | Sunny | 30° /18° | 0 mm | 7 | |
| 17 Aug. | Sunny | 31° /19° | 0 mm | 8 | |
| 18 Aug. |  Cloudy | 30° /18° | 0 mm | 7 | |
| 19 Aug. | Sunny | 29° /18° | 0 mm | 7 | |
| 20 Aug. | Sunny | 30° /18° | 0 mm | 8 | |
| 21 Aug. | Sunny | 30° /19° | 0 mm | 8 | |
| 22 Aug. | Sunny | 30° /18° | 0 mm | 7 | |
| 23 Aug. | Sunny | 29° /18° | 0 mm | 7 | |
| 24 Aug. | Sunny | 30° /18° | 0 mm | 7 | |
| 25 Aug. | Sunny | 30° /18° | 0 mm | 7 | |
| 26 Aug. | Sunny | 28° /17° | 0 mm | 7 | |
| 27 Aug. |  Partly cloudy | 27° /17° | 0 mm | 7 | |
| 28 Aug. | Sunny | 27° /17° | 0 mm | 6 | |
| 29 Aug. | Sunny | 28° /16° | 0 mm | 7 | |
| 30 Aug. | Sunny | 27° /17° | 0 mm | 7 | |
| 31 Aug. | Cloudy | 26° /16° | 0 mm | 6 | |
| Next | |||||
Portimão weather in August vs July vs September
| July | August | September | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 28°/17° | 29°/18° | 24°/17° |
| Rainfall | 0 mm | 0 mm | 12 mm |
| Wind | 24.4 km/h | 24.7 km/h | 20.9 km/h |
| Humidity | 64% | 62% | 70% |
| Rainy days | 0 days | 0 days | 4 days |
| Dry days | 31 days | 31 days | 26 days |
Planning a trip to Portimão? Discover the best time to visit
Portimão in August - FAQ
Portimão water temperatures in August
The average water temperature of the Atlantic Ocean near Portimão in August is 19 °C. At the beginning of August temperatures are around 19.2 °C; by the end of the month they stay fairly steady and reach 18.7 °C.
- What is the water temperature in Portimão in August?
- The average water temperature in Portimão in August is 19 °C.
- Can you swim in Portimão in August?
- Refreshing and invigorating. Expect to feel chilled after 10–20 minutes; a shorty wetsuit extends water time, especially at dawn.
What to pack to Portimão in August?
As you prepare for your trip to Portimão in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Portimão, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Footwear
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
UV exposure in Portimão during August
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Where is Portimão?Get accurate weather forecasts for Portimão, located at latitude 37.139 and longitude -8.538. Stay updated with localized weather information tailored for Portimão.