Measurements:
°C
°F
CURRENT WEATHER
06:59
Sintra
56°F
NE 18 mph
Feels like: 52°F
Precip: 100%
World Resorts Portugal Sintra Weather

7 Day Weather Forecast

05.10
sun
DAY
62°F
NE 21 mph
precip
62%
NIGHT
58°F
NE 15 mph
precip
100%
05.11
mon
DAY
64°F
N 12 mph
precip
85%
NIGHT
58°F
N 7 mph
precip
0%
05.12
tue
DAY
64°F
NE 11 mph
precip
100%
NIGHT
58°F
E 3 mph
precip
82%
05.13
wed
DAY
64°F
E 6 mph
precip
71%
NIGHT
58°F
S 11 mph
precip
0%
05.14
thu
DAY
62°F
S 17 mph
precip
80%
NIGHT
56°F
SE 18 mph
precip
84%
05.15
fri
DAY
60°F
SE 18 mph
precip
24%
NIGHT
56°F
SE 11 mph
precip
21%
05.16
sat
DAY
60°F
E 7 mph
precip
100%
NIGHT
54°F
SE 6 mph
precip
100%

Sintra Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Sintra was 16.5°F. The maximum and minimum values were 15.4°F and 17.4°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
more details