Sintra in October
In October, Sintra averages 21°C (70°F) during the day and 14°C (57°F) at night, with around 11 days of rain (140 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
October offers comfortable temperatures in Sintra, with some rain to plan around.
How October compares to the rest of the year in Sintra
October is in the middle of the year for warmth in Sintra (5th of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature runs 1°C above the annual average (20°C). October runs 3°C cooler than September (24°C) and cools 4°C in November (17°C).
October sunrise & sunset in Sintra
Times shown for Sintra local time (Europe/Lisbon), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in Sintra — October
Golden-hour and blue-hour windows for the 15th of October, in Sintra's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Sintra in October
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (High season) and Sintra's popularity.
Crowds & pricing — October in Sintra
This is a busy month in Sintra — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — October in Sintra
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sintra in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 15°C / 59°F | 8°C / 46°F | 140 mm | 12 | 0 |
| February | 16°C / 61°F | 9°C / 48°F | 115 mm | 11 | 0 |
| March | 18°C / 64°F | 10°C / 50°F | 90 mm | 11 | 0 |
| April | 18°C / 64°F | 11°C / 52°F | 90 mm | 11 | 0 |
| May | 20°C / 68°F | 13°C / 55°F | 75 mm | 10 | 0 |
| June | 23°C / 73°F | 15°C / 59°F | 30 mm | 5 | 0 |
| July | 25°C / 77°F | 17°C / 63°F | 5 mm | 1 | 0 |
| August | 25°C / 77°F | 17°C / 63°F | 5 mm | 1 | 0 |
| September | 24°C / 75°F | 16°C / 61°F | 55 mm | 7 | 0 |
| October | 21°C / 70°F | 14°C / 57°F | 140 mm | 11 | 0 |
| November | 17°C / 63°F | 11°C / 52°F | 155 mm | 12 | 0 |
| December | 15°C / 59°F | 9°C / 48°F | 170 mm | 12 | 0 |
Other cities with similar October weather
🌍 See the full ranked list of climate twins for Sintra in October →
Frequently asked questions
How hot is Sintra in October?
In October, Sintra averages a high of 21°C (70°F) and a low of 14°C (57°F) — generally mild and pleasant.
Does it rain a lot in Sintra in October?
October can be fairly wet in Sintra, with about 11 rainy days on average.
Is October a good time to visit Sintra?
October is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Sintra in October?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full October packing list for Sintra for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.