Climate averages 1991–2020
Setúbal weather
in August.
A hot, very dry month: the warmest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Setúbal: daytime highs average 28.9°C and nights cool to about 18.1°C. By daytime temperature it is the warmest month of the year.
Expect about 2.8 mm of rain on fewer than one day, which makes August a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 40 min on an average August day.
The nearest other city in this atlas is Lisbon (32 km away). In August its highs average 26.3°C, 2.6°C cooler than Setúbal, with 4.1 mm of rain.
Among the 12 cities listed in Portugal, Setúbal ranks joint 1st of 12 for the warmest August highs and 2nd of 12 for the driest August (rainfall, lowest first). The mean August high of those 12 cities is 26.8°C; Setúbal is 2.1°C warmer than that mean.
From August to September, average highs fall by 2.6°C to 26.3°C, and monthly rainfall rises from 2.8 mm to 25 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Setúbal climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.6°C8.3°C | 8.3°C | 63 | 8.4 | 9.810 h |
| February | 15.6°C8.4°C | 8.4°C | 48 | 6.6 | 10.711 h |
| March | 18.0°C10.0°C | 10.0°C | 48 | 7.0 | 11.912 h |
| April | 19.3°C11.5°C | 11.5°C | 45 | 7.4 | 13.213 h |
| May | 22.3°C13.6°C | 13.6°C | 35 | 5.1 | 14.214 h |
| June | 25.9°C16.1°C | 16.1°C | 7.5 | 1.5 | 14.815 h |
| July | 28.5°C17.6°C | 17.6°C | 1.3 | 0.4 | 14.615 h |
| August, selected | 28.9°C18.1°C | 18.1°C | 2.8 | 0.6 | 13.714 h |
| September | 26.3°C16.9°C | 16.9°C | 25 | 3.6 | 12.512 h |
| October | 22.3°C14.8°C | 14.8°C | 70 | 8.1 | 11.211 h |
| November | 17.8°C11.6°C | 11.6°C | 74 | 8.8 | 10.110 h |
| December | 15.4°C9.4°C | 9.4°C | 77 | 9.1 | 9.510 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Lisbon in AugustPortugal · 32 kmHigh 26.3°C · Low 18.6°C · 4.1 mm rain
- Amadora in AugustPortugal · 39 kmHigh 26.2°C · Low 18.0°C · 4.1 mm rain
- Queluz in AugustPortugal · 41 kmHigh 24.4°C · Low 18.2°C · 4.1 mm rain
- Leiria in AugustPortugal · 136 kmHigh 27.1°C · Low 16.9°C · 9.6 mm rain
- Badajoz in AugustSpain · 171 kmHigh 33.5°C · Low 19.5°C · 4.3 mm rain
- Faro in AugustPortugal · 188 kmHigh 26.4°C · Low 20.6°C · 2.0 mm rain
- Coimbra in AugustPortugal · 191 kmHigh 28.9°C · Low 16.5°C · 14 mm rain
- Huelva in AugustSpain · 221 kmHigh 33.2°C · Low 21.0°C · 2.3 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Setúbal) is explained once on the Setúbal year overview and on the Sources, method and limits page.