🇵🇹 Weather in Lisbon in December
This is what the weather in Lisbon (Portugal) was like in December in 2016–2025.
Key facts at a glance
Avg. daytime high
16.1 °C
15.3 °C – 17.3 °C
Avg. night-time low
12.7 °C
11.6 °C – 15.1 °C
Avg. rain days in period
10.3
33 % of days · ≥ 1.0 mm
Avg. precipitation in period
75.1 mm
14.0 mm – 195 mm
Avg. cloud cover
61 %
This data source has no sunshine hours – average cloud cover shown instead.
Avg. sea temperature
15.4 °C
Sea point approx. 6 km from the location
Extremes: Highest temperature 19.1 °C (12 Dec 2023) · Lowest temperature 6.9 °C (26 Dec 2020) · Avg. daily peak wind 28 km/h
Weather mix of all days
- 68Sunny
- 71Partly cloudy
- 68Cloudy
- 57Light rain
- 46Rain
Summary
- On average 16.1 °C during the day and 12.7 °C at night.
- On average 10.3 rain days (Rain day = at least 1.0 mm of precipitation) with 75.1 mm of precipitation in total.
- The sea averaged 15.4 °C.
- Prevailing: Partly cloudy.
- Warmest year: 2022 (avg. 17.3 °C), coolest: 2017 (avg. 15.3 °C).
- Wettest year: 2022 (195 mm), driest: 2024 (14.0 mm).
- Extremes: 19.1 °C on 12 Dec 2023 and 6.9 °C on 26 Dec 2020.
Overall values from all 10 years. How is this calculated?
Charts
Temperatures per year
Average over your travel period
Precipitation & rain days
Year by year
2025
Avg. max15.4°Avg. min12.4°- Rain days
- 17 Rain days
- Precipitation
- 143 mm
- Avg. cloud cover
- 69 % cloudy
- Sea temperature
- 15.3 °C
Max 17.7 °C · Min 8.5 °C
2024
Avg. max16.4°Avg. min12.1°- Rain days
- 5 Rain days
- Precipitation
- 14.0 mm
- Avg. cloud cover
- 52 % cloudy
- Sea temperature
- 16.5 °C
Max 19.0 °C · Min 9.2 °C
2023
Avg. max16.5°Avg. min13.0°- Rain days
- 6 Rain days
- Precipitation
- 31.9 mm
- Avg. cloud cover
- 61 % cloudy
- Sea temperature
- 15.9 °C
Max 19.1 °C · Min 9.1 °C
2022
Avg. max17.3°Avg. min15.1°- Rain days
- 18 Rain days
- Precipitation
- 195 mm
- Avg. cloud cover
- 75 % cloudy
- Sea temperature
- 15.9 °C
Max 18.9 °C · Min 8.9 °C
2021
Avg. max16.5°Avg. min13.0°- Rain days
- 10 Rain days
- Precipitation
- 65.8 mm
- Avg. cloud cover
- 67 % cloudy
- Sea temperature
- 14.3 °C
Max 17.9 °C · Min 9.6 °C
2020
Avg. max15.7°Avg. min12.8°- Rain days
- 16 Rain days
- Precipitation
- 75.6 mm
- Avg. cloud cover
- 69 % cloudy
- Sea temperature
- 15.5 °C
Max 18.2 °C · Min 6.9 °C
2019
Avg. max15.9°Avg. min12.5°- Rain days
- 10 Rain days
- Precipitation
- 89.7 mm
- Avg. cloud cover
- 63 % cloudy
- Sea temperature
- 14.2 °C
Max 17.8 °C · Min 9.0 °C
2018
Avg. max16.0°Avg. min12.2°- Rain days
- 4 Rain days
- Precipitation
- 18.9 mm
- Avg. cloud cover
- 65 % cloudy
- Sea temperature
- 14.9 °C
Max 18.0 °C · Min 9.2 °C
2017
Avg. max15.3°Avg. min11.6°- Rain days
- 10 Rain days
- Precipitation
- 46.1 mm
- Avg. cloud cover
- 50 % cloudy
- Sea temperature
- 15.1 °C
Max 17.3 °C · Min 8.1 °C
2016
Avg. max16.1°Avg. min12.2°- Rain days
- 7 Rain days
- Precipitation
- 71.0 mm
- Avg. cloud cover
- 44 % cloudy
- Sea temperature
- 16.0 °C
Max 17.9 °C · Min 9.9 °C
Frequently asked questions
- How warm is it in Lisbon in December?
- Daytime highs averaged 16.1 °C, night-time lows 12.7 °C. The highest value of the past 10 years was 19.1 °C (12 Dec 2023), the lowest 6.9 °C (26 Dec 2020).
- How often does it rain in Lisbon in December?
- On average there were 10.3 rain days (at least 1 mm) with 75.1 mm of precipitation in total.
- How warm is the sea in Lisbon in December?
- The sea temperature averaged 15.4 °C (open-sea point approx. 6 km from the town).
Check your exact travel dates
Choose your travel period – we show the weather for exactly those days.
Other destinations in December
Data sources
- Weather data
- Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains. - Sea temperature
- MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis) - Sea point approx. 6 km from the location (38.720, -9.070)
- Place search
- Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)