Measurements:
°C
°F
CURRENT WEATHER
10:07
Sintra
64°F
S 18 mph
Feels like: 64°F
Precip: 0%
World Resorts Portugal Sintra Weather

7 Day Weather Forecast

05.30
sat
DAY
70°F
S 17 mph
precip
0%
NIGHT
62°F
S 19 mph
precip
0%
05.31
sun
DAY
72°F
S 20 mph
precip
0%
NIGHT
64°F
S 17 mph
precip
0%
06.01
mon
DAY
72°F
S 21 mph
precip
0%
NIGHT
64°F
S 21 mph
precip
0%
06.02
tue
DAY
70°F
S 21 mph
precip
0%
NIGHT
60°F
S 22 mph
precip
0%
06.03
wed
DAY
72°F
S 20 mph
precip
0%
NIGHT
62°F
S 19 mph
precip
0%
06.04
thu
DAY
66°F
S 19 mph
precip
0%
NIGHT
60°F
S 14 mph
precip
0%
06.05
fri
DAY
66°F
SE 9 mph
precip
0%
NIGHT
62°F
NE 8 mph
precip
47%

Sintra Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Sintra was 16.2°F. The maximum and minimum values were 15.1°F and 17.5°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
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