2026 Climate Averages

Weather: Lisbon — December

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

👍 Climate Overview

December is a good time to visit Lisbon. Mild temperatures around 15°C make it comfortable for exploring. With only around 10 hours of daylight, plan outdoor activities earlier in the day. Being off-peak, you'll find better deals and fewer crowds. At 16°C, the sea is too cold for most swimmers.

7.8
GoTripzi Score Great

Based on weather comfort, crowds, prices, and activity options

Avg High

15°C

Avg Low

12°C

Rainy days

9days

Daylight

9.5h

Rainfall

88mm

Sunshine

7.1h/day

Humidity

83%

Very Humid
Sun Strength

2.8

Moderate
Wind

23 km/h (gusts 38)

Sea Temp

16°C ❄️ Cold

Is December a good time to visit Lisbon?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Quiet
  • Travel Costs Peak Rates

Daylight

Sunrise

07:47

Sunset

17:17

9.5h daylight

Visiting Lisbon in December: Pros & Cons

Pros

  • Fewer crowds and better hotel deals

Cons

  • Sea too cold for comfortable swimming

Things to Do in December

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🥾 Hiking & nature trails
🍜 Food tours & culinary experiences
🎭 Cultural tours & local experiences

Lisbon Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 15°C 10°C 8d (57mm) 7.3h
80% Very Humid
3.4 Moderate
Good
Feb 16°C 11°C 7d (52mm) 8.1h
81% Very Humid
4.6 Moderate
Good
Mar 16°C 11°C 11d (77mm) 9.6h
78% Humid
6.4 High
Excellent
Apr 18°C 13°C 9d (58mm) 11.1h
78% Humid
8.3 Very High
Excellent
May 20°C 15°C 4d (23mm) 12.6h
75% Humid
10.2 Extreme
Excellent
Jun 22°C 17°C 3d (12mm) 13h
77% Humid
10.6 Extreme
Excellent
Jul 24°C 18°C 0d (1mm) 13.1h
75% Humid
11.2 Extreme
Good
Aug 24°C 18°C 0d (0mm) 12.1h
78% Humid
10 Very High
Good
Sep 23°C 18°C 4d (35mm) 10.7h
77% Humid
7.6 Very High
Excellent
Oct 21°C 17°C 9d (68mm) 8.7h
81% Very Humid
5.1 High
Excellent
Nov 18°C 14°C 8d (76mm) 7.5h
82% Very Humid
3.5 Moderate
Good
Dec Current 15°C 12°C 9d (88mm) 7.1h
83% Very Humid
2.8 Moderate
Good

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4.712.Mar
3.4

Where to Stay

See hotels, apartments & rentals around Lisbon – live prices from Booking.com, Expedia, Vrbo and more

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Lisbon

Seven hills of charm, including iconic yellow tram 28 through Alfama, Belém Tower, pastel de nata, and stunning viewpoints.

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What to Pack for December

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions. Pack a compact umbrella or light rain jacket for occasional showers.

Warm Quiet

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📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Lisbon?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is December a good time to visit Lisbon?
December is typically good for visiting Lisbon, with average highs of 15°C and around 9 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Lisbon in December?
Evenings in Lisbon during December are mild at 12°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Lisbon in December?
With highs of 15°C and lows of 12°C in December, we recommend: Layerable clothing, Light jacket, Compact umbrella, Comfortable walking shoes. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Lisbon in December?
Lisbon typically sees around 9 rainy days in December. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in Lisbon in December?
Swimming in Lisbon during December is possible but quite cold, with air temperatures around 15°C. Only brave swimmers venture in without a wetsuit. Consider indoor pools or thermal baths as an alternative if your hotel offers them.
How many hours of daylight are there in Lisbon in December?
In December, Lisbon gets approximately 9.5 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is December peak season in Lisbon?
No, December is not peak season in Lisbon. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Europe/Lisbon)

Last Updated: February 2026

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