INSTRUMENT / SEA TEMPERATURE
Azores - São Miguel Water Temperature
Updated Fri 20:14 (Atlantic/Azores)
Portugal · Forecast updated Nov 6, 2026, 20:14 UTC
Current Sea Temperature
21.0°C
69.8°F
Cool water
Valid Nov 6, 2026, 20:14 (Atlantic/Azores). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
1.0°C above
The typical November average is 20.0°C (68.0°F) from the historical baseline.
Recent trend
Cooling by 0.5°C
Seven-day average: 21.1°C, versus 21.6°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 describe sea conditions or replace the snorkel forecast.
Typical Sea Temperature Over the Year
In the historical baseline for Azores - São Miguel, typical monthly averages range from about 16.4°C (61.5°F) in March to 24.4°C (75.9°F) in August.
Over the past 30 days, the average sea temperature in Azores - São Miguel has been 21.8°C.
Historical baseline (full year)
Northern Hemisphere. Summer is generally June–August; winter is December–February.
Typical monthly sea-surface temperature near Azores - São Miguel, calculated from hourly observations for 2022–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 16.8–18.3°C | 17.7°C / 63.9°F |
| February | 16.3–17.6°C | 16.9°C / 62.4°F |
| March | 16.1–16.9°C | 16.4°C / 61.5°F |
| April | 16.3–17.3°C | 16.9°C / 62.4°F |
| May | 17.5–18.8°C | 18.3°C / 64.9°F |
| June | 20.0–20.8°C | 20.4°C / 68.7°F |
| July | 22.0–22.8°C | 22.4°C / 72.3°F |
| August | 23.8–25.2°C | 24.4°C / 75.9°F |
| September | 23.1–24.2°C | 23.7°C / 74.7°F |
| October | 21.9–22.7°C | 22.3°C / 72.1°F |
| November | 19.7–20.2°C | 20.0°C / 68.0°F |
| December | 17.8–18.9°C | 18.4°C / 65.1°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (37.71, -25.71). Each month is the mean of yearly monthly means; the range is the lowest and highest of those yearly monthly means. Open-Meteo methodology.
Water temperature by month
Each month uses the 2022–2025 baseline. The range is the lowest and highest yearly monthly mean, not an hourly extreme.
Azores - São Miguel in January
Typical January water temperature near Azores - São Miguel is 17.7°C (63.9°F), with yearly monthly means from 16.8–18.3°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: December 18.4°C · February 16.9°C.
Azores - São Miguel in February
Typical February water temperature near Azores - São Miguel is 16.9°C (62.4°F), with yearly monthly means from 16.3–17.6°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: January 17.7°C · March 16.4°C.
Azores - São Miguel in March
Typical March water temperature near Azores - São Miguel is 16.4°C (61.5°F), with yearly monthly means from 16.1–16.9°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: February 16.9°C · April 16.9°C.
Explore Azores - São Miguel sea temperature in March, including swim comfort and month comparisons →
Azores - São Miguel in April
Typical April water temperature near Azores - São Miguel is 16.9°C (62.4°F), with yearly monthly means from 16.3–17.3°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: March 16.4°C · May 18.3°C.
Explore Azores - São Miguel sea temperature in April, including swim comfort and month comparisons →
Azores - São Miguel in May
Typical May water temperature near Azores - São Miguel is 18.3°C (64.9°F), with yearly monthly means from 17.5–18.8°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: April 16.9°C · June 20.4°C.
Explore Azores - São Miguel sea temperature in May, including swim comfort and month comparisons →
Azores - São Miguel in June
Typical June water temperature near Azores - São Miguel is 20.4°C (68.7°F), with yearly monthly means from 20.0–20.8°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: May 18.3°C · July 22.4°C.
Explore Azores - São Miguel sea temperature in June, including swim comfort and month comparisons →
Azores - São Miguel in July
Typical July water temperature near Azores - São Miguel is 22.4°C (72.3°F), with yearly monthly means from 22.0–22.8°C.
Swimming and snorkeling: mild water. A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.
Adjacent months: June 20.4°C · August 24.4°C.
Explore Azores - São Miguel sea temperature in July, including swim comfort and month comparisons →
Azores - São Miguel in August
Typical August water temperature near Azores - São Miguel is 24.4°C (75.9°F), with yearly monthly means from 23.8–25.2°C.
Swimming and snorkeling: mild water. A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.
Adjacent months: July 22.4°C · September 23.7°C.
Azores - São Miguel in September
Typical September water temperature near Azores - São Miguel is 23.7°C (74.7°F), with yearly monthly means from 23.1–24.2°C.
Swimming and snorkeling: mild water. A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.
Adjacent months: August 24.4°C · October 22.3°C.
Azores - São Miguel in October
Typical October water temperature near Azores - São Miguel is 22.3°C (72.1°F), with yearly monthly means from 21.9–22.7°C.
Swimming and snorkeling: mild water. A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.
Adjacent months: September 23.7°C · November 20.0°C.
Azores - São Miguel in November
Typical November water temperature near Azores - São Miguel is 20.0°C (68.0°F), with yearly monthly means from 19.7–20.2°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: October 22.3°C · December 18.4°C.
Azores - São Miguel in December
Typical December water temperature near Azores - São Miguel is 18.4°C (65.1°F), with yearly monthly means from 17.8–18.9°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: November 20.0°C · January 17.7°C.
Forecast archive (growing)
These values come from hourly forecasts SnorkelForecast has stored. They cover only months with records and do not replace the historical baseline.
| 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 | 21.7°C / 71.1°F | 22.9°C / 73.2°F |
| August | 21.8°C / 71.2°F | 23.2°C / 73.7°F | 25.0°C / 77.0°F |
| September | 22.6°C / 72.7°F | 24.2°C / 75.5°F | 25.2°C / 77.4°F |
| October | 21.0°C / 69.8°F | 22.1°C / 71.8°F | 22.7°C / 72.9°F |
| November | 20.0°C / 68.0°F | 20.9°C / 69.7°F | 21.3°C / 70.3°F |
Partial coverage: 6 calendar months with records. Profile calculated from 3821 hourly forecast records across 6 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 water temperature in Azores - São Miguel today?
The current sea surface temperature near Azores - São Miguel is 21.0°C (69.8°F). Over the last 30 days, the average has been 21.8°C.
When is the water warmest in Azores - São Miguel?
The water is typically warmest in August, at around 24.4°C (75.9°F) in the 2022–2025 historical baseline.
When is the water coldest in Azores - São Miguel?
The water is typically coldest in March, at around 16.4°C (61.5°F) in the same historical baseline. A wetsuit is usually recommended during this period.
Can you swim in Azores - São Miguel today?
At 21.0°C, the water is usually comfortable for 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 →