Lisbon weather

Our guide to the weather in Lisbon during April

19

Average high

4

UV Index

84mm

Monthly rainfall

15

Sea temperature

Lisbon, Portugal is a vibrant and culturally-rich destination offering a unique mix of modernity and tradition, with mild temperatures in April that make it an ideal time to explore the city. We've looked at the most up-to-date weather data for Lisbon, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Lisbon weather in April.

What's the temperature like in Lisbon during April?

The temperature reaches around 19℃ during the daytime in April, falling away to 12℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Lisbon during April?

On average, there will be 5 rainy days during the month, amounting to 84.3mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Lisbon during April?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during April. With moderate air temperatures, any breeze will feel cool.

How warm is the sea in Lisbon during April?

The water around Lisbon is a bracing 15℃ during April and would be considered too cold for swimming. Those who are a bit more hardy or frequently swim in cooler open water might want to take a quick dip. A wetsuit would be advisable if you wish to spend longer than 5 minutes in the water.

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Weather in Lisbon

Our month-by-month guide to the weather and climate in Lisbon

14.7

Lisbon weather in

January
15.4

Lisbon weather in

February
17.1

Lisbon weather in

March
18.8

Lisbon weather in

April
22.2

Lisbon weather in

May
24.2

Lisbon weather in

June
26.5

Lisbon weather in

July
27.5

Lisbon weather in

August
26.0

Lisbon weather in

September
23.0

Lisbon weather in

October
17.9

Lisbon weather in

November
15.7

Lisbon weather in

December