Measurements:
°C
°F
Sintra
68°F
SE 11 mph
Feels like: 68°F
Precip: 11%
World Resorts Portugal Sintra Weather

7 Day Weather Forecast

07.10
fri
DAY
72°F
SE 12 mph
precip
4%
NIGHT
64°F
S 14 mph
precip
12%
07.11
sat
DAY
72°F
SE 8 mph
precip
5%
NIGHT
66°F
E 6 mph
precip
12%
07.12
sun
DAY
72°F
NE 8 mph
precip
15%
NIGHT
66°F
E 4 mph
precip
13%
07.13
mon
DAY
72°F
E 6 mph
precip
6%
NIGHT
68°F
SE 7 mph
precip
14%
07.14
tue
DAY
74°F
E 7 mph
precip
6%
NIGHT
68°F
SE 7 mph
precip
9%
07.15
wed
DAY
72°F
E 7 mph
precip
13%
NIGHT
68°F
SE 11 mph
precip
11%
07.16
thu
DAY
74°F
SE 11 mph
precip
4%
NIGHT
66°F
S 12 mph
precip
17%

Sintra Sea Water Temperature in July, °F

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Sintra was 17.4°F. The maximum and minimum values were 15.5°F and 18.8°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 81.7 °F
July 80.8 °F
September 79.6 °F
Warmest sea temperature:
September 66.2 °F
October 65.7 °F
August 65.4 °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