Lisbon weather in March
Lisbon averages 17°C by day and 10°C at night in March, with the sea at 15°C and about 74 mm of rain in the month. It warms up by about 2°C into April.
Day
17°C
Night
10°C
Sea
15°C
Rain
74 mm
Flight from London
2½h
What March feels like
March is mild in Lisbon: good for exploring, not reliably beach weather.
The sea is 15°C: cold for swimming, so plan on a heated pool.
Rain is occasional: about 74 mm in the month.
That is 6°C warmer than an average March day in London.
Of the 56 sun destinations we track, Lisbon is the #52 warmest in March, and #19 of 23 within 5½ hours of the UK.
Comparing places? See the warmest place in Portugal in winter for every winter month, place by place.
Going to Lisbon in March?
Share the TikToks and Instagram Reels you've saved for Lisbon to Dream Trip. It finds the places, pins them on a map and builds your days around them.
Want it warmer in March?
These are hotter than Lisbon this month for at most an hour and a half more flying:
Lisbon weather by month
March is highlighted. Compare with February and April, or see the full year in Lisbon.
Lisbon in March: quick answers
Is Lisbon hot in March?
March is mild in Lisbon: good for exploring, not reliably beach weather. Average highs are 17°C and lows 10°C.
Can you swim in Lisbon in March?
The sea is 15°C: cold for swimming, so plan on a heated pool.
Does it rain in Lisbon in March?
Rain is occasional: about 74 mm in the month.
What is the warmest month in Lisbon?
August, at an average high of 29°C. The coolest is January at 15°C.
How long is the flight to Lisbon from the UK?
About 2½h direct from London, estimated from the 1,571 km distance. Check your airline for exact times.
Still choosing? See where is hot in March for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in March from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. Rain is the average monthly total. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Lisbon in March?
Save the restaurants, beaches and views you find on TikTok and Instagram for Lisbon straight to a map, then let Dream Trip turn them into a day-by-day plan.
