Sintra Weather in April
April in Sintra typically sees daytime highs of 18°C (64°F) and nighttime lows of 13°C (55°F). Expect some rainfall during the month.
Rainfall in Sintra in April
Expect around 12 days of rain based on historical data, with 59 mm (2.3 in) average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Sintra in April
Expect highs of 18°C (64°F) in Sintra in April, with nights dropping to around 13°C (55°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Sintra in April
The month enjoys around 276 hours of sunshine, creating mostly sunny days with good weather conditions.Should you favor a climate that's both dry and comfortably warm, June, July, August, September and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Sintra's climate page.
Sintra Temperature in April
Min Temperature
13°C (55°F)
Max Temperature
18°C (64°F)
Chance of Rain
40%
Precipitation
59 mm (2.3 in)
Rainy days
12 days
Humidity
73% *
Sunshine
276 hours *
Percentage Sunshine
69% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sintra typically stay consistent throughout April, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 12°C (54°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Sintra in April
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 April
The extremes listed below come from historical weather data collected in Sintra from 1976 through 2026.
- The hottest April day on record in Sintra reached 33°C (91°F) (April 30, 1997).
- The lowest daytime temperature in April was 9°C (48°F), recorded on April 10, 1978.
- Nighttime temperatures dropped to 3°C (37°F) on April 6, 2007, marking the coldest April night on record.
Best Places in Portugal in April
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in April →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Sintra in April
Pleasant temperatures in April 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Sintra in April
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 Sintra's climate page.
Temperature Rainfall Sunshine Humidity
See the full Sintra climate overview or explore weather in Portugal.
