Setúbal weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: June – September
What is the weather like in Setúbal in December?
In December, Setúbal is cool: daytime highs average 16 °C, and nights cool down to about 9 °C. The sea averages 16.2 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 83 mm in total. All in all, December is not an ideal month for a holiday in Setúbal.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 23 | 21 | 22 |
| Day | 18° | 16° | 15° |
| Night | 11° | 9° | 8° |
| Sea | 17° | 16° | 15° |
| Sun | 6 h | 5 h | 6 h |
| Rain days | 9 | 9 | 9 |
More details for December
- Daylight
- 9 h 30 min07:46 – 17:16
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 54 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+0Europe/Lisbon
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %40 %
- Few rainy daysweight 20 %63 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- A jumper for the evenings
- Rain jacket or umbrella
Setúbal in December: quick answers
Is Setúbal hot in December?
No. In December, Setúbal is cool: daytime highs average 16 °C and nights drop to about 9 °C.
Can you swim in Setúbal in December?
Only if you don't mind cold water: in December the sea averages just 16.2 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Setúbal in December?
Rain is frequent, with about 9 rainy days and 83 mm in total.
Setúbal month by month
The whole year in SetúbalAll destinations: PortugalWhere to go in DecemberSea temperature in December
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