The climate in Lisbon during April can be summarized as mild and reasonably dry.
April is in the spring in Lisbon and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 11°C (52°F) is normal.
|Daytime temperature||19.4°C 66.9°F|
|Nightly temperature||11.2°C 52.2°F|
|Average temperature||15.3°C 59.5°F|
|Daily sunshine||8.3 hrs|
|Avg rainfall||64 mm 2.5 ins|
|Rainy days||12 days|
|Sea temperature||15.8°C 60.5°F|
|Windspeed||14kph 9 mph|
On average April is the 6th driest month of the year in Lisbon with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Lisbon in April 2021.
|Hottest month:||August||28°C 82.4°F|
|Driest month:||July||4mm 0.2ins|
|Coldest month:||January||14.7°C 58.5°F|
|Wettest month:||November||111mm 4.4ins|