Olhão weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Excellent
Best time to visit: June – September
What is the weather like in Olhão in August?
In August, Olhão is warm: daytime highs average 27 °C, and even at night it stays warm at around 21 °C. The sea averages 21.5 °C – refreshing for a swim. With around 12 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, August is an excellent month for a holiday in Olhão.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 89 | 91 | 87 |
| Day | 26° | 27° | 24° |
| Night | 20° | 21° | 19° |
| Sea | 21° | 22° | 21° |
| Sun | 12 h | 12 h | 9 h |
| Rain days | 0 | 0 | 3 |
More details for August
- Daylight
- 13 h 37 min06:47 – 20:25
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 6 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 13 %on averageAll months
- Hot days
- 2 days30 °C or moreAll months
- Time zone
- UTC+1Europe/Lisbon
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %64 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
Olhão in August: quick answers
Is Olhão hot in August?
Warm rather than hot: in August, daytime highs in Olhão average 27 °C and nights cool to about 21 °C. On about 2 days the thermometer climbs to 30 °C or more.
Can you swim in Olhão in August?
Yes. In August the sea averages 21.5 °C – refreshing for a swim.
Does it rain much in Olhão in August?
It hardly ever rains.
Olhão month by month
The whole year in OlhãoAll destinations: PortugalAlgarve weather in AugustWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences