Lisbon Weather
A month-by-month look at temperature, rainfall and what to pack in Lisbon. The annual average is 21°C high / 13°C low — hottest in July (28°C) and coldest in January (8°C).
Lisbon Weather at a Glance
As of 2026A quick summary of Lisbon's year-round climate and the best time to visit.
- Annual average
- 21° / 13°
- Best time to visit
- May, June, September
- Hottest month
- July (28°C)
- Coldest month
- January (8°C)
- Wettest month
- November (130mm)
- Driest month
- July (4mm)
As of 2026, Lisbon's weather averages 21°C high / 13°C low across the year, and the best time to visit for stable temperatures, rainfall and crowds is May, June, September. The hottest month is July (28°C), the coldest is January (8°C), and the wettest is November (130mm).
Best Time to Visit Lisbon
May is full spring tilting summer. Daytime 22°C, nighttime 14°C, 14-15 hours daylight. Jacaranda trees (introduced from Brazil 1920s) bloom purple mid-May to mid-June — Largo do Carmo + Avenida Dom Carlos I are the iconic photo spots. The most-photogenic Lisbon month. Fátima pilgrimage (May 13) — 600,000+ pilgrims walk to Fátima sanctuary 130km north. Lisbon hotels not directly affected but trains crowded.
June is peak Lisbon summer. Daytime 25°C, nighttime 17°C, 15-hour daylight. Festas de Lisboa runs entire month — sardines grilled everywhere. Santo António (Saint Anthony, June 12-13) is the peak — every Alfama street grills sardines + traditional parades + outdoor music. Hotel prices double for June 12-14. Marchas Populares parade June 12 evening is iconic. Best weather of the year + driest. Beach season fully open.
September is the sweet spot — late summer warmth + thinning crowds + dropping hotel rates. Daytime 26°C, nighttime 17°C, 12-hour daylight. Beach still swimmable through September. Outdoor dining season continues. Pena Palace tickets easier than peak summer. Best value-to-weather of the year.
Lisbon Weather Month by Month
Tap any month for a detailed guide with what to wear, sunrise/sunset and air quality.
| Month | High/Low | Rain | Rainy days | Crowds | |
|---|---|---|---|---|---|
| January | 14° / 8° | 110mm | 14 | Quiet | Details → |
| February | 15° / 8° | 80mm | 11 | Quiet | Details → |
| March | 17° / 10° | 60mm | 10 | Moderate | Details → |
| April | 19° / 12° | 60mm | 9 | Busy | Details → |
| May | 22° / 14° | 45mm | 7 | Busy | Details → |
| June | 25° / 17° | 16mm | 3 | Very busy | Details → |
| July | 28° / 18° | 4mm | 1 | Very busy | Details → |
| August | 28° / 18° | 6mm | 1 | Very busy | Details → |
| September | 26° / 17° | 25mm | 4 | Busy | Details → |
| October | 22° / 14° | 80mm | 8 | Moderate | Details → |
| November | 17° / 11° | 130mm | 12 | Moderate | Details → |
| December | 14° / 9° | 110mm | 12 | Moderate | Details → |
What to Wear in Lisbon by Season
Light jacket + light sweater. Long pants. Sunglasses. Waterproof jacket for spring showers.
T-shirts + shorts. Light cardigan for evenings. Sunglasses + sunscreen + sun hat. AC essential.
Light jacket + sweater. Long pants. Layered approach for cooler evenings. Waterproof shoes returning.
Same as January — light winter jacket, sweater, waterproof shoes. Slightly less rain.
Lisbon Weather FAQ
What is the best time to visit Lisbon? +
For weather, May, June, September are the most comfortable months. Highs sit around 22°C with relatively stable rainfall and crowds.
What are the hottest and coldest months in Lisbon? +
The hottest month is July with an average high of 28°C, and the coldest is January with an average low of 8°C. The annual average is 21°C high / 13°C low.
When does it rain most in Lisbon? +
The wettest month is November (130mm over about 12 rainy days) and the driest is July (4mm). Total annual rainfall is roughly 726mm.
What should I pack for Lisbon? +
Spring (Mar–May) averages 19/12°C — Light jacket + light sweater. Long pants. Sunglasses. Waterproof jacket for spring showers. Summer (Jun–Aug) averages 27/18°C — T-shirts + shorts. Light cardigan for evenings. Sunglasses + sunscreen + sun hat. AC essential. Autumn (Sep–Nov) averages 22/14°C — Light jacket + sweater. Long pants. Layered approach for cooler evenings. Waterproof shoes returning. Winter (Dec–Feb) averages 14/8°C — Same as January — light winter jacket, sweater, waterproof shoes. Slightly less rain.
What is the weather in Lisbon this month (June)? +
June averages 25°C high / 17°C low with 16mm rainfall over about 3 rainy days. Crowds are very busy and prices are high.
Keep Planning Your Lisbon Trip
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.