Measurements:
°C
°F
CURRENT WEATHER
12:23
Sintra
66°F
S 6 mph
Feels like: 66°F
Precip: 3%
World Resorts Portugal Sintra Weather

7 Day Weather Forecast

10.19
mon
DAY
66°F
S 6 mph
precip
3%
NIGHT
60°F
S 12 mph
precip
5%
10.20
tue
DAY
64°F
S 14 mph
precip
17%
NIGHT
62°F
SE 10 mph
precip
7%
10.21
wed
DAY
64°F
S 16 mph
precip
6%
NIGHT
60°F
S 16 mph
precip
6%
10.22
thu
DAY
62°F
S 10 mph
precip
17%
NIGHT
60°F
S 12 mph
precip
6%
10.23
fri
DAY
64°F
S 9 mph
precip
19%
NIGHT
60°F
S 21 mph
precip
22%
10.24
sat
DAY
62°F
NE 17 mph
precip
8%
NIGHT
60°F
S 20 mph
precip
16%
10.25
sun
DAY
66°F
S 17 mph
precip
6%
NIGHT
62°F
S 14 mph
precip
13%

Sintra Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Sintra was 18.3°F. The maximum and minimum values were 17.5°F and 19.1°F respectively.

Sintra on the Weather Map

Best Time to Visit Sintra
The most sunny months:
August 27 days
July 26 days
September 23 days
The most warm months:
August 81.2 °F
July 80.6 °F
September 79.1 °F
Warmest sea temperature:
September 66.2 °F
October 65.7 °F
August 65.6 °F
The most cold months:
January 59.7 °F
February 60.4 °F
December 61.8 °F
The most rainy months:
March 4 days
November 4 days
January 4 days
The most windy months:
July 12 mph
August 12 mph
June 12 mph
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