Verdict: Excellent month
Sintra Weather in October
October hits the sweet spot in Sintra — highs around 22°C (72°F), ideal for a full day on foot. Expect showers on roughly 12 days of the month — rarely trip-ruining, worth planning around. Overall, October is one of the best months of the year to be in Sintra.
Average high
22°C / 72°F
Average low
15°C / 59°F
Rain days
~12
Precipitation
110 mm
What to pack for Sintra in October
- Summer clothes, plus one light layer for air-con and evenings
- Rain gear is non-negotiable — expect rain on roughly 12 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
October against the rest of the year
Warmest in Sintra: Jul (25°C / 77°F) · Coolest: Jan (14°C / 57°F) · Wettest: Dec (~13 rain days)
14°
8°
Jan
16°
9°
Feb
17°
10°
Mar
18°
11°
Apr
21°
13°
May
22°
15°
Jun
25°
16°
Jul
25°
17°
Aug
24°
16°
Sep
22°
15°
Oct
18°
12°
Nov
15°
10°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)