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Sintra Weather in March
March in Sintra typically sees daytime highs of 17°C (63°F) and nighttime lows of 12°C (54°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Sintra in March
You can expect rain on roughly 13 days based on historical data, averaging 60 mm (2.4 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Sintra in March
Daytime highs in Sintra in March reach 17°C (63°F), with nights around 12°C (54°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Sintra in March
With approximately 210 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.March in Sintra can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Sintra Temperature in March
Min Temperature
12°C (54°F)
Max Temperature
17°C (63°F)
Chance of Rain
43%
Precipitation
60 mm (2.4 in)
Rainy days
13 days
Humidity
78% *
Sunshine
210 hours *
Percentage Sunshine
56% *
* Data from: Cascais, Portugal (11 KM, 7 Miles).
Sintra Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sintra - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Sintra typically stay consistent throughout March, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 8°C (46°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 records for Sintra in March
Browse day-by-day weather records for Sintra spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sintra historical weather extremes in March
The extremes listed below come from historical weather data collected in Sintra from 1992 through 2026.
- The hottest March day on record in Sintra reached 29°C (84°F) (March 22, 1992).
- The lowest daytime temperature in March was 10°C (50°F), recorded on March 1, 1993.
- Nighttime temperatures dropped to -3°C (27°F) on March 2, 2005, marking the coldest March night on record.
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
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Sintra 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Sintra in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping8/10 -
Outdoor sports10/10
Sintra 3-Day Forecast
More climate data for Sintra
Temperature Rainfall Sunshine Humidity
See the full Sintra climate overview or explore weather in Portugal.
Popular in March
Where to go in March - average daytime high across popular destinations.
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