Mexico
Pacific Coast · Pacific Ocean

San Agustinillo Water Temperature & Swim Forecast

Popular Pacific Coast beach near San Agustinillo.

Live conditions loading.

Sea temperature now
Source: Open-Meteo Marine
Air temperature
Wave height
Wind
UV index

Location

San Agustinillo on the map, with nearby beaches and live sea temperatures.

7-day forecast

Water, air, waves, wind and UV outlook for the week ahead.

Wetsuit recommendation

Check live temperature

Live water temperature is loading — refresh in a moment for a precise recommendation.

Surf & watersports
Once the live reading appears we'll calculate the ideal wetsuit thickness for this beach.

Recommendation tuned for San Agustinillo's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

San Agustinillo swimming conditions summary

Water temperature
Water feels
Swimmable today
Loading live reading
Swim conditions score
Wetsuit needed
Check live temperature
Air temperature
Waves
Wind
UV index
Warmest months to swim
July, August, September

Live water temperature is loading — refresh in a moment for a precise recommendation. Live marine data updated hourly from Open-Meteo Marine.

Frequently asked questions

Can I swim at San Agustinillo right now?

Live data is loading. Use the 7-day forecast above to plan your swim — conditions above 22°C are comfortable for most swimmers.

What will the sea temperature be at San Agustinillo next week?

Based on long-term August averages and the latest marine model, expect the sea around San Agustinillo to sit close to 29.0°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.

When is the best month to swim at San Agustinillo?

July – August – September are typically the warmest months to swim at San Agustinillo, with sea temperatures at their seasonal peak.

Quick answer

Can I swim at San Agustinillo today?

Live data is loading. In summer, this beach typically offers comfortable swimming conditions.

Key takeaways
  • • Located in Pacific Coast, Mexico (Pacific Ocean).
  • Family friendly with calm, accessible water.
  • • Live data refreshed hourly from Open-Meteo Marine.

Monthly sea temperature averages

Tap any month to see what to expect — based on regional climatology.

Best time to swim in San Agustinillo

The sea in San Agustinillo peaks in July, when the water averages around 29°C.

The main swimming season runs from January – December, when surface temperatures stay comfortable for extended sessions.

On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

The coldest month is typically January at around 25°C, when cold-water swimmers dominate the coast.

San Agustinillo sea temperature history

Long-term climatology for San Agustinillo shows an annual mean sea temperature of 27°C, ranging from 25°C in winter to 29°C at the summer peak.

The seasonal swing is roughly 4°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.

Recent decades have trended slightly warmer at San Agustinillo, in line with regional sea-surface temperature records for the wider basin.

Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.

Jan
25°C
Feb
25°C
Mar
25°C
Apr
26°C
May
27°C
Jun
28°C
Jul
29°C
Aug
29°C
Sep
29°C
Oct
28°C
Nov
27°C
Dec
26°C

San Agustinillo sea temperature: frequently asked questions

What is the warmest month to swim in San Agustinillo?

July is the warmest month in San Agustinillo, when the sea averages about 29°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in San Agustinillo?

The coldest month in San Agustinillo is typically January, when the water averages around 25°C. Cold-water swimmers and surfers dominate this period.

When can you swim in San Agustinillo without a wetsuit?

The main swimming season in San Agustinillo runs from January – December — about 12 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.

Do I need a wetsuit in San Agustinillo?

San Agustinillo stays warm year-round, so most swimmers never need a wetsuit — a rash guard is usually enough for sun and wildlife protection.

What is the average sea temperature in San Agustinillo?

The long-term annual mean sea temperature in San Agustinillo is about 27°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in San Agustinillo?

The live reading at the top of this page shows the current sea temperature in San Agustinillo, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.

Year-round sea temperature

Best swim months: Jan – Feb – Mar – Apr – May – Jun – Jul – Aug – Sep – Oct – Nov – Dec

MonthSeaComfort
Jan25°CWarm
Feb25°CWarm
Mar25°CWarm
Apr26°CHot
May27°CHot
Jun28°CHot
Jul29°CHot
Aug29°CHot
Sep29°CHot
Oct28°CHot
Nov27°CHot
Dec26°CHot

Nearby beaches

The closest coastline, with live water temperatures.