Weather in Lisbon in December 2024
- December is usually the wettest month of the year in Lisbon;
Average weather
Average temperature in Lisbon in December
The temperature in December is +17°C on average, with a range between a maximum of +19°C during the day and a minimum of +7°C at night.
The average maximum temperature goes up 17% by the end of the month, compared with the beginning of the month, from +16°C to +18°C.
Is Lisbon warm or cold in December?
Lisbon is typically mild in December.
Maximum temperatures go down compared to the previous month from +18°C to +15°C. The minimum temperature also goes down from +12°C to +10°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
December is one of the coolest months in Lisbon, here is the comparison with other months:
Climate in Lisbon in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +18°C | +15°C | +14°C | ||||
| Min. temperature | ||||||
| +5°C | +2°C | +1°C | ||||
| Max. temperature | ||||||
| +25°C | +21°C | +22°C | ||||
| Rainfall | ||||||
| 96 mm | 121 mm | 82 mm | ||||
| Wind | ||||||
| 2 m/s | 3 m/s | 2 m/s | ||||
| Humidity | ||||||
| 77% | 80% | 78% | ||||
| Air pressure | ||||||
| 1017 HPa | 1020 HPa | 1021 HPa | ||||
| Sunny days | ||||||
| 12 | 12 | 13 | ||||
| Cloudy days | ||||||
| 11 | 12 | 11 | ||||
| Rainy days | ||||||
| 7 | 7 | 7 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as ok as in November. It’s getting colder in December. From +18°C in the day, the average maximum temperature lowers to +15°C. Prepare for more rain. Average rainfall goes from 96 mm to 121 mm. Humidity rises from 77% to 80%. Winds are stronger in comparison to November, going up from 2 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 12 sunny days during the month.
January brings much the same weather, it remains ok.
Wind
The average wind speed is 6 m/s getting up to 13 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Lisbon is gradually increasing during December, going from 6 m/s to 9 m/s over the course of the month.
Rain
How was the weather last December in Lisbon?
Climate Change over Years
The climate in Lisbon in December has not changed much over the last 43 years.
The average temperature was the lowest in 1982 (+14°C) and the highest in 2022 (+19°C). The driest year was 1980 with only 2 mm of rainfall, and the wettest year was 2022 with 1020 mm.
FAQ
Is December a good time to visit Lisbon?
Can you sunbathe in Lisbon in December?
Is Lisbon rainy in December?
Is it sunny in Lisbon in December?
Other cities in Portugal
Monthly weather in Lisbon
Source of the data
For this page, we’ve looked at the typical weather in Lisbon, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.