Measurements:
°C
°F
Estoril
56°F
W 3 mph
Feels like: 56°F
Precip: 0%
World Resorts Portugal Estoril Weather

7 Day Weather Forecast

12.18
thu
DAY
60°F
N 14 mph
precip
0%
NIGHT
60°F
N 14 mph
precip
100%
12.19
fri
DAY
58°F
S 21 mph
precip
79%
NIGHT
56°F
S 15 mph
precip
0%
12.20
sat
DAY
58°F
E 11 mph
precip
100%
NIGHT
58°F
E 19 mph
precip
100%
12.21
sun
DAY
54°F
SE 14 mph
precip
61%
NIGHT
56°F
E 19 mph
precip
100%
12.22
mon
DAY
56°F
SE 29 mph
precip
100%
NIGHT
56°F
S 25 mph
precip
100%
12.23
tue
DAY
60°F
S 19 mph
precip
88%
NIGHT
56°F
SE 14 mph
precip
63%
12.24
wed
DAY
56°F
SE 17 mph
precip
100%
NIGHT
52°F
S 9 mph
precip
100%

Estoril Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Estoril was 15.8°F. The maximum and minimum values were 15.7°F and 16.0°F respectively.

Estoril on the Weather Map

Best Time to Visit Estoril
The most sunny months:
August 27 days
July 26 days
September 24 days
The most warm months:
August 79.0 °F
July 77.7 °F
September 77.4 °F
Warmest sea temperature:
September 66.2 °F
October 65.8 °F
August 65.3 °F
The most cold months:
January 59.5 °F
February 59.9 °F
December 61.8 °F
The most rainy months:
November 5 days
March 4 days
December 4 days
The most windy months:
July 14 mph
August 13 mph
June 12 mph