Climate averages 1991–2020
Setúbal weather
in December.
A mild, moderately wet month: the 11th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Setúbal: daytime highs average 15.4°C and nights cool to about 9.4°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 77 mm of rain on roughly 9 days, which makes December a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 32 min on an average December day.
The nearest other city in this atlas is Lisbon (32 km away). In December its highs average 14.3°C, 1.1°C cooler than Setúbal, with 79 mm of rain.
Among the 12 cities listed in Portugal, Setúbal ranks 3rd of 12 for the warmest December highs and 1st of 12 for the driest December (rainfall, lowest first). The mean December high of those 12 cities is 14.4°C; Setúbal is 1.0°C warmer than that mean.
From December to January, average highs fall by 0.8°C to 14.6°C, and monthly rainfall falls from 77 mm to 63 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Lisbon in DecemberPortugal · 32 kmHigh 14.3°C · Low 10.2°C · 79 mm rain
- Amadora in DecemberPortugal · 39 kmHigh 14.6°C · Low 9.7°C · 79 mm rain
- Queluz in DecemberPortugal · 41 kmHigh 14.7°C · Low 10.7°C · 79 mm rain
- Leiria in DecemberPortugal · 136 kmHigh 15.0°C · Low 8.2°C · 91 mm rain
- Badajoz in DecemberSpain · 171 kmHigh 13.9°C · Low 5.8°C · 59 mm rain
- Faro in DecemberPortugal · 188 kmHigh 15.9°C · Low 12.1°C · 90 mm rain
- Coimbra in DecemberPortugal · 191 kmHigh 14.3°C · Low 6.0°C · 111 mm rain
- Huelva in DecemberSpain · 221 kmHigh 16.1°C · Low 8.6°C · 65 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.