Lisbon in December: weather, sea & travel advice
Lisbon in December is climatically mixed. Days are around 15 °C (cool), and the sea is about 16 °C. With about 12 rainy days it is wet.
Lisbon · DecemberPhoto: Dale Cruse - 10M views from San Francisco, CA, USA · CC BY 4.0Climate facts
- Day
- 15 °C
- Night
- 12 °C
- Sea
- 16 °C
- Rainy days
- 12 rainy days
- Sun
- 3 h/day
- Humidity
- 82 %
Suitability by travel type
BeachUnsuitable27/100
City breakLimited63/100
ActiveLimited60/100
FamilyUnsuitable32/100
In favour
- No particular highlights.
To consider
- Rather cool at around 15 °C
- Higher chance of rain (about 12 rainy days)
- Sea still cool (16 °C)
- High humidity (82 %)
All months at a glance
15J
15F
16M
17A
19M
21J
22J
23A
22S
21O
17N
15D
11J
9F
9M
7A
5M
3J
1J
1A
5S
9O
11N
12D
Similar destinations in December
Frequently asked questions
How warm is Lisbon in December?
Daytime highs average around 15 °C, with nights around 12 °C.
Can you swim in Lisbon in December?
The sea is about 16 °C (cold).
Does it rain a lot in Lisbon in December?
On the long-term average, expect about 12 rainy days.
When is the best time to visit Lisbon?
The most favourable months are usually the ones highlighted on the overview page. Values are historical averages, not a forecast.