Measurements:
°C
°F
CURRENT WEATHER
15:43
Terceira Island
80°F
S 6 mph
Feels like: 82°F
Precip: 6%
World Resorts Portugal Terceira Island Weather

7 Day Weather Forecast

08.19
wed
DAY
78°F
SW 5 mph
precip
16%
NIGHT
70°F
S 3 mph
precip
14%
08.20
thu
DAY
78°F
SE 6 mph
precip
15%
NIGHT
70°F
SE 7 mph
precip
18%
08.21
fri
DAY
76°F
SE 13 mph
precip
25%
NIGHT
70°F
S 6 mph
precip
26%
08.22
sat
DAY
74°F
W 4 mph
precip
18%
NIGHT
68°F
NW 4 mph
precip
27%
08.23
sun
DAY
74°F
N 4 mph
precip
17%
NIGHT
70°F
NE 6 mph
precip
34%
08.24
mon
DAY
76°F
E 9 mph
precip
20%
NIGHT
70°F
S 8 mph
precip
47%
08.25
tue
DAY
70°F
S 11 mph
precip
13%
NIGHT
66°F
SE 7 mph
precip
8%

Terceira Island Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Terceira Island was 22.9°F. The maximum and minimum values were 22.0°F and 23.9°F respectively.

Terceira Island on the Weather Map

Best Time to Visit Terceira Island
The most sunny months:
August 9 days
September 7 days
June 7 days
The most warm months:
August 78.2 °F
September 75.8 °F
July 75.3 °F
Warmest sea temperature:
August 76.6 °F
September 75.4 °F
July 73.0 °F
The most cold months:
March 60.9 °F
February 60.9 °F
January 61.7 °F
The most rainy months:
December 5 days
February 4 days
January 4 days
The most windy months:
December 17 mph
January 17 mph
February 16 mph
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