Winter
Dec → Feb15 to 16°
nights 9 to 10°
- 7 rainy days · 60 mm
- 7.9 h of sun
- sea 15°
When is the best time to visit Lisbon?
- Jan15°not recommended
- Feb16°not recommended
- Mar17°fair
- Apr19°recommended
- May23°recommended
- Jun25°recommended
- Jul28°fair
- Aug28°fair
- Sep26°recommended
- Oct23°recommended
- Nov18°fair
- Dec16°not recommended
RecommendedFairNot recommended· afternoon temperature
The weather in Lisbon, month by month
The table of records, month by month
| Month | High | Low | Sunshine | Rainfall | Rainy days | Sea | Best |
|---|---|---|---|---|---|---|---|
| January | 15° | 9° | 7.7 h | 55 mm | 8 d | 15° | |
| February | 16° | 10° | 8.5 h | 49 mm | 7 d | 15° | |
| March | 17° | 10° | 9.9 h | 59 mm | 9 d | 15° | |
| April | 19° | 12° | 11.1 h | 62 mm | 9 d | 17° | ✓ |
| May | 23° | 15° | 12.4 h | 38 mm | 5 d | 17° | ✓ |
| June | 25° | 16° | 13.3 h | 16 mm | 4 d | 19° | ✓ |
| July | 28° | 18° | 13.4 h | 3 mm | 1 d | 20° | |
| August | 28° | 19° | 12.4 h | 1 mm | 1 d | 19° | |
| September | 26° | 18° | 11.1 h | 30 mm | 4 d | 18° | ✓ |
| October | 23° | 16° | 9.1 h | 78 mm | 10 d | 19° | ✓ |
| November | 18° | 12° | 7.6 h | 75 mm | 10 d | 18° | |
| December | 16° | 10° | 7.4 h | 76 mm | 7 d | 16° |
The four seasons in Lisbon, in figures
What the 2015-2024 records (Tram 28 (Largo Martim Moniz)) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May17 to 23°
nights 10 to 15°
- 8 rainy days · 53 mm
- 11.1 h of sun
- sea 16°
Summer
Jun → Aug25 to 28°
nights 16 to 19°
- 2 rainy days · 7 mm
- 13 h of sun
- sea 19°
Autumn
Sep → Nov18 to 26°
nights 12 to 18°
- 8 rainy days · 61 mm
- 9.3 h of sun
- sea 18°
Book early for April to June and September to October
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
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Daylight in Lisbon, month by month
The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 14h52 of daylight, in December 9h28, a difference of 5h23.
9h44Jan
10h42Feb
11h50Mar
13h10Apr
14h16May
14h52Jun
14h37Jul
13h40Aug
12h23Sep
11h06Oct
10hNov
9h28Dec
Calculated for the latitude of the reference point "Tram 28 (Largo Martim Moniz)" (38.72°). Values on the 15th of each month, local solar time.
What to do in Lisbon, month by month
EventsLisbon Festivities and Feast of St AnthonyJuneNOS AliveJulyWeb SummitNovemberDetails ↓
favourablewith compromisesunfavourable
Sightseeing & walks: good conditions all twelve months.
- Long days: May, June, July
Grid derived from the records (temperature, rainfall, sea), not from an opinion.
What's on in Lisbon, month by month?
What comes back every year, and when. These events fill the hotels and push prices up: something to aim for or to avoid, depending on what you want.
- JuneLisbon Festivities and Feast of St Anthony big crowds
Alfama is strung with garlands, sardines grill in the street and the marchas populares parade down Avenida da Liberdade.
- JulyNOS Alive big crowds
The rock festival sets up on the Algés riverfront, west of Lisbon, for three or four days.
- NovemberWeb Summit big crowds
Europe's big tech gathering fills the Parque das Nações, and hotels across the whole city along with it.
Travelling off-peak
Month by month, in detail
January
Not recommended15°9° at night
- 55 mm · 8 d
- 7.7 h
- sea 15°
Low season, lower prices
February
Not recommended16°10° at night
- 49 mm · 7 d
- 8.5 h
- sea 15°
Low season, lower prices
March
Fair17°10° at night
- 59 mm · 9 d
- 9.9 h
- sea 15°
Low season, lower prices
April
Recommended19°12° at night
- 62 mm · 9 d
- 11.1 h
- sea 17°
Busy, without the crush
May
Recommended23°15° at night
- 38 mm · 5 d
- 12.4 h
- sea 17°
Busy, without the crush
June
Recommended25°16° at night
- 16 mm · 4 d
- 13.3 h
- sea 19°
High season, book early
July
Fair28°18° at night
- 3 mm · 1 d
- 13.4 h
- sea 20°
High season, book early
August
Fair28°19° at night
- 1 mm · 1 d
- 12.4 h
- sea 19°
Busy, without the crush
September
Recommended26°18° at night
- 30 mm · 4 d
- 11.1 h
- sea 18°
Busy, without the crush
October
Recommended23°16° at night
- 78 mm · 10 d
- 9.1 h
- sea 19°
Busy, without the crush
November
Fair18°12° at night
- 75 mm · 10 d
- 7.6 h
- sea 18°
Busy, without the crush
December
Not recommended16°10° at night
- 76 mm · 7 d
- 7.4 h
- sea 16°
Quiet, then the holidays
Read the twelve months in detail
January. Cool: 15 °C at best, 9 °C at night. Expect 8 days of rain in the month (55 mm). Expect 7.7 h of sunshine a day. Sea at 15 °C, too cold to swim. Low season: fewer people, lower prices.
February. Cool: 16 °C at best, 10 °C at night. Rain stays light: 49 mm over 7 days. Expect 8.5 h of sunshine a day. Sea at 15 °C, too cold to swim. Low season: fewer people, lower prices.
March. Cool: 17 °C at best, 10 °C at night. Expect 9 days of rain in the month (59 mm). Plenty of sunshine: 9.9 h a day on average. Sea at 15 °C, too cold to swim. Low season: fewer people, lower prices.
April. Mild, 19 °C in the afternoon and 12 °C early in the morning. Expect 9 days of rain in the month (62 mm). Plenty of sunshine: 11.1 h a day on average. Sea at 17 °C, too cold to swim. Busy season, without the crush.
May. Mild, 23 °C in the afternoon and 15 °C early in the morning. Rain stays light: 38 mm over 5 days. Plenty of sunshine: 12.4 h a day on average. Sea at 17 °C, too cold to swim. Busy season, without the crush.
June. 25 °C in the afternoon and 16 °C at night. Rain stays light: 16 mm over 4 days. Plenty of sunshine: 13.3 h a day on average. Cool sea (19 °C), for the brave. High season: book early.
July. 28 °C in the afternoon and 18 °C at night. Hardly any rain (3 mm over 1 day). Plenty of sunshine: 13.4 h a day on average. Cool sea (20 °C), for the brave. High season: book early.
August. 28 °C in the afternoon and 19 °C at night. Hardly any rain (1 mm over 1 day). Plenty of sunshine: 12.4 h a day on average. Cool sea (19 °C), for the brave. Busy season, without the crush.
September. 26 °C in the afternoon and 18 °C at night. Rain stays light: 30 mm over 4 days. Plenty of sunshine: 11.1 h a day on average. Cool sea (18 °C), for the brave. Busy season, without the crush.
October. Mild, 23 °C in the afternoon and 16 °C early in the morning. Expect 10 days of rain in the month (78 mm). Plenty of sunshine: 9.1 h a day on average. Cool sea (19 °C), for the brave. Busy season, without the crush.
November. Mild, 18 °C in the afternoon and 12 °C early in the morning. Expect 10 days of rain in the month (75 mm). Expect 7.6 h of sunshine a day. Cool sea (18 °C), for the brave. Busy season, without the crush.
December. Cool: 16 °C at best, 10 °C at night. Rain stays light: 76 mm over 7 days. Expect 7.4 h of sunshine a day. Sea at 16 °C, too cold to swim. Quiet at the start of the month, then busier as the holidays approach.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit Lisbon?
April to June and September to October: over these months, recorded highs range from 19 to 26 °C, with 6 days of rain a month on average (2015-2024 records, Tram 28 (Largo Martim Moniz)).
Which month should you avoid in Lisbon?
December: it is the wettest of the months to avoid, with 76 mm over 7 days of rain on average, according to 2015-2024 records at the reference point (Tram 28 (Largo Martim Moniz)).
What is the hottest month in Lisbon?
July, with 28 °C on average in the afternoon and 18 °C at night. 2015-2024 records (Tram 28 (Largo Martim Moniz)).
What is the coldest month in Lisbon?
January, with 15 °C at best during the day and 9 °C at night. 2015-2024 records (Tram 28 (Largo Martim Moniz)).
What is the driest month in Lisbon?
August: 1 mm over 1 day of rain, against 78 mm in October, the wettest month.
Which month has the most sunshine in Lisbon?
July, with 13.4 h of sunshine a day on average. Note that this counts clear skies, not the length of the day.
When can you swim in Lisbon?
The water stays cool all year (warmest 20 °C in July, measured in 2023-2024 on the nearest coast, Tram 28 (Largo Martim Moniz)): swimming is for the brave.
Plan this trip
📒 The free printable Lisbon guide: itinerary, map, where to sleep→
🧭 When to visit Portugal: the country overview→
🗓️ Best time to visit: all our destinations→
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Photos: Pham Ngoc Anh / Pexels · Jiròni Picas / CC BY-SA 4.0 (Wikimedia Commons) · Carlo Primo / Pexels · Brendan Rühli / Pexels