Measurements:
°C
°F
CURRENT WEATHER
11:35
Terceira Island
68°F
NE 9 mph
Feels like: 68°F
Precip: 76%
World Resorts Portugal Terceira Island Weather

7 Day Weather Forecast

05.30
sat
DAY
68°F
NE 9 mph
precip
76%
NIGHT
66°F
NE 7 mph
precip
0%
05.31
sun
DAY
72°F
NE 8 mph
precip
0%
NIGHT
66°F
E 8 mph
precip
0%
06.01
mon
DAY
68°F
SE 8 mph
precip
0%
NIGHT
64°F
NE 4 mph
precip
0%
06.02
tue
DAY
72°F
NE 8 mph
precip
0%
NIGHT
66°F
E 8 mph
precip
0%
06.03
wed
DAY
70°F
NE 8 mph
precip
0%
NIGHT
68°F
NE 17 mph
precip
0%
06.04
thu
DAY
66°F
E 15 mph
precip
0%
NIGHT
60°F
SE 15 mph
precip
84%
06.05
fri
DAY
62°F
SE 7 mph
precip
0%
NIGHT
58°F
E 6 mph
precip
0%

Terceira Island Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Terceira Island was 16.3°F. The maximum and minimum values were 15.7°F and 17.2°F respectively.

Terceira Island on the Weather Map

Best Time to Visit Terceira Island
The most sunny months:
August 9 days
June 7 days
July 7 days
The most warm months:
August 78.2 °F
September 75.8 °F
July 75.5 °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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