Transitioning towards spring, March in Lisbon brings a new sense of vitality to the city's weather. There is a clear surge in the temperature, with the maximum rising to 18.8°C (65.8°F). This month marks one of the most significant diversions from winter, with the rainfall not only decreasing, but the city also enjoying more hours of daylight.. The weather in Lisbon in March. The average Lisbon temperature in March is 14 °C degrees (57.2 °F), and there is often good weather.The average low temperature is 11 °C (51.8 °F), and the average high is 18 °C (64.4 °F). The temperatures are never very cold, and there will be plenty of sunny days.. We've even been to the beach in March, although I wouldn't say it's usually good.
Based on annual weather averages for Lisbon, the best month to go for holiday is January and February. The temperature hovers around 12°c. The table below displays max and min temperature and rain data for the whole year as an average taken from last 12+ years of historical data for Lisbon.. What to Wear in Lisbon During March. Spring in Lisbon begins this month and temperatures range from cold to warm so you will need a mix of clothes this month including jeans and long pants, both warm and some lighter-weight shirts and tops, a light to medium-weight jacket or coat and a couple of sweaters.