Climate guide for Lisbon, Portugal

Best Time to Visit
Lisbon

How to read the score (0–10)
05810
UnfavorableGoodOptimal

About Lisbon

From April to June, Lisbon enjoys warm, mostly dry days ideal for wandering Alfama’s lanes, savoring Belém’s pastéis, and soaking up Tagus views without summer’s crowds or heat. Hop the trams early to beat lines, then reserve sunset for a miradouro where the breeze turns gentle and the city glows.

Did you know?

Travel Tips

Timing & weather
Check Lisbon's monthly climate scores before locking flights - mediterranean patterns shift comfort for sightseeing trips across the year.
Getting around
In Lisbon, pair a walkable core day with one transit or transfer buffer - crowds and traffic vary by season in Portugal.
Tickets & access
Reserve popular museums and day trips from Lisbon ahead in peak months; shoulder seasons are more flexible.
Pack for the profile
Comfortable walking shoes and a day bag matter more than formal wear for most Lisbon sightseeing days.

Things to do in Lisbon

Lisbon, Portugal. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Lisbon: the short answer

The best time to visit Lisbon is April, followed by May, June. Those months combine the most usable temperatures with the fewest lost days to rain: April averages 16°C with 25 mm of rain and about 29 sunny days. The months to avoid unless you have a specific reason are December, October. If budget matters more than perfect weather, November is the strongest of the low-rate months at 7/10.

Across the year Lisbon swings from 14°C in January to 21°C in August, a 7-degree spread, while rainfall ranges from 1 mm in August to 92 mm in October. That is the whole planning problem in one sentence: Lisbon is not equally good year-round, and the difference between the best and worst month here is 3.2 points on a 10-point scale.

Warmest month: August (21°C). Coolest: January (14°C). Driest: August (1 mm). Wettest: October (92 mm).

Lisbon month by month

January in Lisbon — reliably good (9th best month)

Good · 7.1/10

January averages 14°C (57°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 47 mm, so plan one flexible day in three; you still get about 2 sunny days and 9.6 hours of daylight.

It scores 7.1/10 here, 9th of 12 months, against 9.5/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

If your dates are flexible, April is materially better in Lisbon — 2.4 points higher on the same scale.

February in Lisbon — reliably good (7th best month)

Good · 8/10

February averages 14°C (57°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 34 mm of rain — occasional showers rather than washed-out days — alongside about 8 sunny days and 10.5 daylight hours.

It scores 8/10 here, 7th of 12 months, against 9.5/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening.

If your dates are flexible, April is materially better in Lisbon — 1.5 points higher on the same scale.

March in Lisbon — reliably good (8th best month)

Good · 7.7/10

March averages 15°C (58°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 71 mm, so plan one flexible day in three; you still get about 14 sunny days and 11.7 hours of daylight.

It scores 7.7/10 here, 8th of 12 months, against 9.5/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

If your dates are flexible, April is materially better in Lisbon — 1.8 points higher on the same scale.

April in Lisbon — the year's strongest window

Best window · 9.5/10

April averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 25 mm of rain — occasional showers rather than washed-out days — alongside about 29 sunny days and 13 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Lisbon at 9.5/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack layers you can shed by midday plus one warm layer for the evening.

May in Lisbon — the year's strongest window

Best window · 9.5/10

May averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rain is a non-issue at 8 mm for the month, with about 31 sunny days and 14.1 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Lisbon at 9.5/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening.

June in Lisbon — the year's strongest window

Best window · 9.5/10

June averages 19°C (67°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Expect 18 mm of rain — occasional showers rather than washed-out days — alongside about 30 sunny days and 14.7 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Lisbon at 9.5/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection.

July in Lisbon — the year's strongest window

Best window · 9.5/10

July averages 20°C (69°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rain is a non-issue at 2 mm for the month, with about 31 sunny days and 14.5 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Lisbon at 9.5/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here.

Pack light clothing, swimwear and real sun protection.

August in Lisbon — the year's strongest window

Best window · 9.4/10

August averages 21°C (69°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rain is a non-issue at 1 mm for the month, with about 31 sunny days and 13.5 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Lisbon at 9.4/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here.

Pack light clothing, swimwear and real sun protection.

September in Lisbon — the year's strongest window

Best window · 9/10

September averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Expect 42 mm of rain — occasional showers rather than washed-out days — alongside about 22 sunny days and 12.2 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Lisbon at 9/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection.

October in Lisbon — workable with trade-offs

Trade-offs · 6.8/10

October averages 19°C (67°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 92 mm, so plan one flexible day in three; you still get about 9 sunny days and 11 hours of daylight.

It scores 6.8/10 here, 11th of 12 months, against 9.5/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

If your dates are flexible, April is materially better in Lisbon — 2.7 points higher on the same scale.

November in Lisbon — reliably good (10th best month)

Good · 7/10

November averages 17°C (63°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 57 mm, so plan one flexible day in three; you still get about 2 sunny days and 9.8 hours of daylight.

It scores 7/10 here, 10th of 12 months, against 9.5/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

If your dates are flexible, April is materially better in Lisbon — 2.5 points higher on the same scale.

December in Lisbon — workable with trade-offs

Trade-offs · 6.3/10

December averages 15°C (59°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 80 mm, so plan one flexible day in three; you still get about 0 sunny days and 9.3 hours of daylight.

It scores 6.3/10 here, 12th of 12 months, against 9.5/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

If your dates are flexible, April is materially better in Lisbon — 3.2 points higher on the same scale.

Frequently asked

When is the best time to visit Lisbon, Portugal?
In Ideal Weather mode, the best months to visit Lisbon are April, May, June, July, August, September. April is the single peak month with an Ideal Weather score of 9.5/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Lisbon year-round?
Lisbon has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 14°C in January to 21°C in August, with Ideal Weather scores between 6.3 and 9.5 out of 10.
Which months should I avoid in Lisbon?
The lowest Ideal Weather-scoring months in Lisbon are December (6.3/10), October (6.8/10), November (7.0/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Lisbon?
October is the wettest month in Lisbon, averaging about 92 mm of rainfall. August is the driest, at roughly 1 mm.
Which is the sunniest month in Lisbon?
May sees the most sun in Lisbon, with about 31 sunny days on average - ideal for outdoor plans.
Is Lisbon a good destination for sightseeing and cultural travel?
Lisbon is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (April, May, June, July, August, September) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Lisbon calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Lisbon: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for sightseeing and cultural travel.

Explore by month

Curated in Lisbon

Tickets & experiences

More destinations in Portugal