Average weather for Lisbon in April
It's pleasantly warm in April in Lisbon with an average temperature of 21°C. Temperatures this month range from a low of 19°C to a high of 22°C. At night, you can expect temperatures between 11°C and 14°C.
Start of April
The month of April starts in Lisbon with mild temps, averaging around 20°C during the day and nights around 12°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid April
By mid-April, daytime temps rise to around 21°C, with nights around 13°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of April
By the end of April, the average daytime temperature in Lisbon is around 22°C, while nighttime temps are about 13°C. A shower might pop up, but overall, the weather will be dry and sunny.
Water temperature
The water temperature at Lisbon is 18°C this month. You can swim, but it's a bit chilly.
In April, there is an average of 61 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Lisbon in April |
New York | ||
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21°C | 17°C | |
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22°C | 22°C | |
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19°C | -5°C | |
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61 mm | 81 mm | |
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8 days | 11 days |
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is April a good time to visit Lisbon?
Looking for great weather? April is a good time to be in Lisbon. The temperatures are nice, and there’s not too much rain.
Temperature records
With 33°C in 2023, Lisbon reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 9°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 18°C.
Check out the climate of Lisbon for all months and discover the best travel time
Curious about the weather in other parts of Portugal? Check out the climate and weather for spots like Algarve, Albufeira, Madeira, or explore other destinations in Portugal.
Daily Temperature in April in Lisbon
This chart shows the average daily high and low temperatures in April for Lisbon, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in April in Lisbon
The chart below shows the average daily precipitation in April for Lisbon, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for April, you can expect about 8 days of precipitation in Lisbon.
Daily UV index in April in Lisbon
This chart shows the average daily UV index in April in Lisbon, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in April in Lisbon over the years
This chart shows the average temperature in April in Lisbon, measured in degrees Celsius, over the past few years.
Total precipitation in April in Lisbon over the years
This chart shows the average precipitation in April in Lisbon, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in April for Lisbon
Click on any day in April to get detailed info about the usual weather on that day in Lisbon. Check out the historical temperatures and precipitation over the past 10 years on this day.






























Weather experiences in April in Lisbon
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Average weather in Lisbon by month
Click on a month below to see detailed weather info for Lisbon. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.