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Lisbon, Portugal · Temperate oceanic

Lisbon: best months to visit

July (9.7/10) · December (4.4/10).

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 38.72°N · 9.13°W
⚡ Quick answer
July
Depends on your goals
9.7/10
☀️ Jul
Top score (9.7/10)
🌤️ Aug
Alt. (9.7/10)
Dec
Plus rude (4.4/10)
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo par Raja Sen via Unsplash
Decide

When to visit Lisbon?

The decision rests on several criteria. Climate score, tourist crowds and feasible activities.

Verdict: In Lisbon, July and August clearly stand out. December concentrates the least favourable conditions.
Top & avoid
🏆 July · 9.7 August · 9.7 June · 9.0 September · 8.7 ⚠️ December · 4.4
4.4
Jan
4.6
Feb
7.2
Mar
7.4
Apr
8.4
May
9.0
Jun
9.7
Jul
9.7
Aug
8.7
Sep
7.9
Oct
7.3
Nov
4.4
Dec
Best period · ≥ 7 Decent period · 4 – 7 Tough conditions · < 4

What you grasp in 5 seconds

Lisbon offers 9 comfortable months, without any month really to avoid. The gap stays moderate: 9.7 in July vs 4.4 in December.

What to check next

Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.

Next action

Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.

How we calculate the score

The score combines 4 weighted criteria using 10 years of real climate data (ERA5).

Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →

Understand

Compare all 12 months

Month-by-month details: temperature, rain, sunshine, score and verdict.

✅ 9 comfortable months (Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov)
MonthT° minT° maxRain %mm/daySunScoreVerdict
🌥️ January →9°C15°C32%2.2mm5.1h4.4/10Decent period
🌥️ February →9°C16°C28%2.0mm6.2h4.6/10Decent period
⛅ March →10°C16°C25%2.4mm7.0h7.2/10Best period
⛅ April →12°C18°C26%2.3mm8.3h7.4/10Best period
☀️ May →14°C22°C19%1.3mm9.6h8.4/10Best period
☀️ June →16°C24°C7%0.5mm10.7h9.0/10Best period
☀️ July →18°C27°C2%0.1mm11.3h9.7/10Best period
☀️ August →18°C28°C4%0.0mm11.0h9.7/10Best period
☀️ September →17°C26°C13%1.0mm8.7h8.7/10Best period
☀️ October →16°C23°C28%2.4mm6.3h7.9/10Best period
⛅ November →12°C18°C33%3.0mm5.4h7.3/10Best period
🌥️ December →10°C16°C32%2.7mm4.8h4.4/10Decent period
📊 Quick read
Optimal window
Mar → Nov
Good transition
Feb · Dec
Tough period
none
🌡️ Detailed conditions (July)
🌡️ Feel
Warm
☀️ UV
8.1 · Very strong
💧 Humidity feel
15°C · Pleasant
☔ Rain
2% · 0.1 mm/day
🌅 Sunshine
11.3h/day
Week by week

Lisbon week by week: your odds of avoiding rain

For each week of the year: in how many years out of 10 it was mostly dry (at most 2 rainy days), 2016 to 2025.

Safest week: Jul 16 to Jul 22, mostly dry in 10 years out of 10 (0.0 rainy day(s) on average).

Most exposed: Oct 29 to Nov 4, mostly dry in 2 years out of 10 (3.2 rainy days on average).

Number = years out of 10 with at most 2 rainy days in the week. Source: ERA5 reanalysis (ECMWF) via Open-Meteo, daily data 2016-2025. Rainy day = at least 1 mm, as everywhere on the site.
JanJan 16/1014°CJan 86/1014°CJan 154/1014°CJan 226/1015°CJan 296/1015°C
FebFeb 55/1015°CFeb 126/1016°CFeb 198/1017°CFeb 268/1016°C
MarMar 54/1016°CMar 128/1017°CMar 197/1017°CMar 268/1018°C
AprApr 26/1018°CApr 95/1019°CApr 165/1020°CApr 239/1020°CApr 309/1021°C
MayMay 74/1021°CMay 1410/1023°CMay 219/1024°CMay 289/1024°C
JunJun 410/1024°CJun 1110/1025°CJun 1810/1026°CJun 2510/1026°C
JulJul 210/1027°CJul 910/1028°CJul 1610/1028°CJul 2310/1029°CJul 3010/1029°C
AugAug 69/1029°CAug 1310/1029°CAug 2010/1029°CAug 2710/1027°C
SepSep 39/1027°CSep 107/1026°CSep 179/1025°CSep 249/1026°C
OctOct 110/1026°COct 89/1024°COct 153/1022°COct 225/1021°COct 292/1020°C
NovNov 55/1018°CNov 128/1018°CNov 196/1017°CNov 266/1016°C
DecDec 36/1016°CDec 103/1016°CDec 176/1016°CDec 247/1015°C

A specific date? The app computes the same figure day by day.

10-year trend

Annual temperatures — Lisbon

Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.

T° maxT° meanT° min10°12°14°16°18°20°22°24°201620172018201920202021202220232024202522.0° — decade peak (2023)+0.93°C / decade
Tailor

For your trip

A few angles depending on what kind of trip you are planning.

🏖️ Beaches: Jun-Sept🌊 Swell: Sept-Mar🚤 Water activities
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Lisbon

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.

Country · Portugal

🗣️LanguagePortuguese
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘ+1.16°C/decade
🔥Hottest monthAugust · 28°C
❄️Coolest monthJanuary · 15°C
🌧️Rainiest month ⓘNovember · 33%

🏖️ Beach holiday

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Explore

Related destinations & guides

If this destination doesn't fit your dates, here are alternatives and guides.

Location

Where is Lisbon ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Temperate oceanic climate with a 9.7 → 4.4 gap between best and worst month. 10 years of ERA5 data to choose by project.
38.72°N · 9.13°W
Questions

Frequently asked questions

What is the best time to visit Lisbon?
July is the best month with 27.0°C highs, 18.0°C lows, 11.3h of sunshine and 2.0% rainy days. The months of July & August offer comparable conditions.
How many hours of sunshine does Lisbon get in July?
Lisbon averages 11.3 sunshine hours per day in July. It is the sunniest month with a climate score of 9.6/10.
What is the rainiest month in Lisbon?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Lisbon in July?
In July, overnight lows reach 18.0°C, while afternoon highs average 27.0°C.
Is Lisbon good in winter?
In winter (December-February), Lisbon scores 4.2/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 9.6/10.
When should you avoid Lisbon?
January is the most difficult month to visit Lisbon, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.