Measurements:
°C
°F
Terceira Island
76°F
E 4 mph
Feels like: 80°F
Precip: 20%
World Resorts Portugal Terceira Island Weather

7 Day Weather Forecast

07.30
thu
DAY
76°F
E 4 mph
precip
20%
NIGHT
72°F
E 6 mph
precip
26%
07.31
fri
DAY
76°F
E 9 mph
precip
9%
NIGHT
74°F
NE 9 mph
precip
36%
08.01
sat
DAY
76°F
E 7 mph
precip
12%
NIGHT
72°F
E 6 mph
precip
24%
08.02
sun
DAY
76°F
E 8 mph
precip
13%
NIGHT
72°F
S 1 mph
precip
19%
08.03
mon
DAY
76°F
NE 3 mph
precip
5%
NIGHT
74°F
N 7 mph
precip
39%
08.04
tue
DAY
76°F
E 10 mph
precip
24%
NIGHT
72°F
E 6 mph
precip
27%
08.05
wed
DAY
74°F
S 9 mph
precip
29%
NIGHT
70°F
S 8 mph
precip
26%

Terceira Island Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Terceira Island was 20.8°F. The maximum and minimum values were 19.4°F and 21.9°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 72.9 °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