Azores - São Miguel Sea Temperature
Portugal · Forecast updated Jul 15, 2026, 07:30 UTC
Current Sea Temperature
21.1°C
70.0°F
Cool water
Versus this month's average
0.4°C below
The July average in our archive is 21.5°C (70.7°F).
Recent trend
Cooling by 0.6°C
Seven-day average: 21.2°C, versus 21.8°C in the prior seven days.
What to wear
Cool water
A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not mean the sea is safe.
Sea Surface Temperature Over the Year
In the data collected for Azores - São Miguel, monthly averages range from about 19.8°C (67.6°F) in June to 21.5°C (70.7°F) in July.
Over the past 30 days, the average sea temperature in Azores - São Miguel has been 20.9°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 18.2°C / 64.8°F | 19.8°C / 67.6°F | 21.5°C / 70.7°F |
| July | 20.7°C / 69.3°F | 21.5°C / 70.7°F | 22.6°C / 72.7°F |
Profile calculated from 1072 hourly forecast records across 2 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Azores - São Miguel
Mid-Atlantic volcanic island with clear water, islets and even snorkeling with blue sharks offshore.
- Area
- Azores
Azores - São Miguel Water Temperature — Common Questions
What is the sea temperature in Azores - São Miguel today?
The current sea surface temperature in Azores - São Miguel is 21.1°C. Over the last 30 days, the average has been 20.9°C.
When is the water warmest in Azores - São Miguel?
The warmest monthly average in the Azores - São Miguel archive is July, at around 21.5°C (70.7°F).
When is the water coldest in Azores - São Miguel?
The coldest monthly average in the archive is June, at around 19.8°C (67.6°F). A wetsuit is usually recommended during this period.
Can you swim in Azores - São Miguel today?
Yes — at 21.1°C the water is warm enough for comfortable swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Azores - São Miguel.
View Snorkel Forecast →