Playa de Monsul Water Temperature
Updated Sat 03:32 (Europe/Madrid)
Spain · Forecast updated Oct 3, 2026, 03:32 UTC
Current Sea Temperature
23.3°C
73.9°F
Mild water
Valid Oct 3, 2026, 03:32 (Europe/Madrid). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
1.7°C above
The typical October average is 21.6°C (70.9°F) from the historical baseline.
Recent trend
Cooling by 1.1°C
Seven-day average: 23.5°C, versus 24.6°C in the prior seven days.
What to wear
Mild water
A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.
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 Playa de Monsul, typical monthly averages range from about 15.5°C (59.9°F) in February to 27.0°C (80.6°F) in August.
Over the past 30 days, the average sea temperature in Playa de Monsul has been 24.7°C.
Historical baseline (full year)
Northern Hemisphere. Summer is generally June–August; winter is December–February.
Typical monthly sea-surface temperature near Playa de Monsul, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 15.9–16.2°C | 16.0°C / 60.8°F |
| February | 15.1–16.0°C | 15.5°C / 59.9°F |
| March | 15.4–15.9°C | 15.7°C / 60.3°F |
| April | 16.9–17.6°C | 17.2°C / 63.0°F |
| May | 17.9–20.3°C | 19.1°C / 66.4°F |
| June | 20.7–23.6°C | 22.3°C / 72.1°F |
| July | 23.9–26.9°C | 25.5°C / 77.9°F |
| August | 26.3–27.4°C | 27.0°C / 80.6°F |
| September | 23.7–25.5°C | 24.7°C / 76.5°F |
| October | 20.5–22.9°C | 21.6°C / 70.9°F |
| November | 16.6–19.9°C | 18.6°C / 65.5°F |
| December | 15.7–17.6°C | 16.8°C / 62.2°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (36.71, -2.21). 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 2023–2025 baseline. The range is the lowest and highest yearly monthly mean, not an hourly extreme.
Playa de Monsul in January
Typical January water temperature near Playa de Monsul is 16.0°C (60.8°F), with yearly monthly means from 15.9–16.2°C.
Playa de Monsul in February
Typical February water temperature near Playa de Monsul is 15.5°C (59.9°F), with yearly monthly means from 15.1–16.0°C.
Playa de Monsul in March
Typical March water temperature near Playa de Monsul is 15.7°C (60.3°F), with yearly monthly means from 15.4–15.9°C.
Playa de Monsul in April
Typical April water temperature near Playa de Monsul is 17.2°C (63.0°F), with yearly monthly means from 16.9–17.6°C.
Playa de Monsul in May
Typical May water temperature near Playa de Monsul is 19.1°C (66.4°F), with yearly monthly means from 17.9–20.3°C.
Playa de Monsul in June
Typical June water temperature near Playa de Monsul is 22.3°C (72.1°F), with yearly monthly means from 20.7–23.6°C.
Playa de Monsul in July
Typical July water temperature near Playa de Monsul is 25.5°C (77.9°F), with yearly monthly means from 23.9–26.9°C.
Playa de Monsul in August
Typical August water temperature near Playa de Monsul is 27.0°C (80.6°F), with yearly monthly means from 26.3–27.4°C.
Playa de Monsul in September
Typical September water temperature near Playa de Monsul is 24.7°C (76.5°F), with yearly monthly means from 23.7–25.5°C.
Playa de Monsul in October
Typical October water temperature near Playa de Monsul is 21.6°C (70.9°F), with yearly monthly means from 20.5–22.9°C.
Playa de Monsul in November
Typical November water temperature near Playa de Monsul is 18.6°C (65.5°F), with yearly monthly means from 16.6–19.9°C.
Playa de Monsul in December
Typical December water temperature near Playa de Monsul is 16.8°C (62.2°F), with yearly monthly means from 15.7–17.6°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 |
|---|---|---|---|
| July | 24.9°C / 76.8°F | 26.4°C / 79.6°F | 28.3°C / 82.9°F |
| August | 20.8°C / 69.4°F | 25.9°C / 78.6°F | 28.5°C / 83.3°F |
| September | 23.3°C / 73.9°F | 24.8°C / 76.6°F | 27.1°C / 80.8°F |
| October | 23.3°C / 73.9°F | 24.1°C / 75.4°F | 24.8°C / 76.6°F |
Partial coverage: 4 calendar months with records. Profile calculated from 2238 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Playa de Monsul
Iconic volcanic cove southwest of San Jose with dark sand and rock features, best for snorkeling during calm low-wind windows.
- Area
- San Jose
Playa de Monsul Water Temperature: Common Questions
What is the water temperature in Playa de Monsul today?
The current sea surface temperature near Playa de Monsul is 23.3°C (73.9°F). Over the last 30 days, the average has been 24.7°C.
When is the water warmest in Playa de Monsul?
The water is typically warmest in August, at around 27.0°C (80.6°F) in the 2023–2025 historical baseline.
When is the water coldest in Playa de Monsul?
The water is typically coldest in February, at around 15.5°C (59.9°F) in the same historical baseline. A wetsuit is usually recommended during this period.
Can you swim in Playa de Monsul today?
At 23.3°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 Playa de Monsul.
View Snorkel Forecast →