Lisbon in May: weather, sea & travel advice
Lisbon in May is especially suited to city breaks and active holidays and hiking. Days are around 19 °C (mild), and the sea is about 17 °C. With about 5 rainy days it is dry.
Lisbon · MayPhoto: Dale Cruse - 10M views from San Francisco, CA, USA · CC BY 4.0Climate facts
- Day
- 19 °C
- Night
- 15 °C
- Sea
- 17 °C
- Rainy days
- 5 rainy days
- Sun
- 9 h/day
- Humidity
- 79 %
Suitability by travel type
BeachLimited55/100
City breakExcellent94/100
ActiveExcellent92/100
FamilyLimited55/100
In favour
- Little rain (about 5 rainy days)
To consider
- Sea still cool (17 °C)
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 May
Frequently asked questions
How warm is Lisbon in May?
Daytime highs average around 19 °C, with nights around 15 °C.
Can you swim in Lisbon in May?
The sea is about 17 °C (cold).
Does it rain a lot in Lisbon in May?
On the long-term average, expect about 5 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.