Cascais Weather in March
Cascais in March sees moderate temperatures, with highs around 17°C (63°F) and overnight lows of 13°C (55°F). Around 59 mm (2.3 in) of rainfall is typical, so a light rain jacket is a sensible addition to your bag.
Rainfall in Cascais in March
Looking at the last 30 years, the data shows about 13 days with rain, averaging 59 mm (2.3 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Cascais in March
March in Cascais brings typical temperatures with highs around 17°C (63°F) and lows of 13°C (55°F). Conditions are often most pleasant around the middle of the day. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Cascais in March
Expect sunny days throughout the month, with an estimated 210 hours of sunshine. This makes it a pleasant time to visit Cascais.March in Cascais has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Cascais's climate page.
Cascais Temperature in March
Min Temperature
13°C (55°F)
Max Temperature
17°C (63°F)
Chance of Rain
43%
Precipitation
59 mm (2.3 in)
Rainy days
13 days
Humidity
78%
Sunshine
210 hours
Percentage Sunshine
56%
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Cascais typically stay consistent throughout March, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 11°C (52°F).
Average temperatures in March
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Cascais in March
Browse day-by-day weather records for Cascais spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cascais historical weather extremes in March
According to our 34 years of weather records for Cascais, the following extremes were recorded between 1992 and 2026.
- Cascais recorded its highest March temperature of 29°C (84°F) on March 22, 1992.
- The lowest daytime temperature in March was 10°C (50°F), recorded on March 3, 2002.
- Cascais registered its coldest March night on March 1, 2005, with temperatures dropping to 0°C (32°F).
Best Places in Portugal in March
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in March →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Cascais in March
Pleasant temperatures in March mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Cascais in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Cascais's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cascais climate overview or explore weather in Portugal.
