San Agustinillo Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit San Agustinillo.

Current conditions San Agustinillo  

Climate overview of San Agustinillo

San Agustinillo, in Oaxaca, Mexico, maintains relatively stable warm temperatures throughout the year. The area is known for its heavy rainfall, especially during the intense wet season months. This small Pacific coast village sits on a beautiful beach which attract both nature lovers and surfers seeking a quieter alternative to nearby Puerto Escondido. The consistent warmth makes it perfect for beach activities and turtle watching tours. Let's explore all the climate details to give you a complete overview on when to visit.

San Agustinillo Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in San Agustinillo - and find the best time to visit.

Monthly Temperature in San Agustinillo

The climate in San Agustinillo remains fairly constant, offering comfortable temperatures throughout the year. Typically, average maximum daytime temperatures range from a very warm 30°C (86°F) in April to a comfortable 29°C (84°F) in the coolest month, January.

Nights vary from 25°C (77°F) in April to around 23°C (73°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in San Agustinillo

San Agustinillo is known for its substantial rainfall, with annual precipitation reaching 2559 mm (101 in). The climate in San Agustinillo shows significant variation throughout the year. Expect heavy rainfall in September, the wettest month, with an average of 630 mm (25 in) of precipitation over 9 rainy days.

In contrast, the driest month February offers drier and sunnier days, with around 7.9 mm (0.3 in) of rainfall over 0 rainy days. For more details, please visit our San Agustinillo Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in San Agustinillo

For those who appreciate different seasons, San Agustinillo serves as an ideal destination. Expect longer, more sun-filled days in March with an average of 9.2 hours of sunshine daily, and embrace the darker days in September, offering only 5.1 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine


Daily hours of sunshine


Water Temperature in San Agustinillo

The mean water temperature over the year ranges from 26°C (79°F) in December to 29°C (84°F) in May.

Water temperature over the year


Best Time to Visit San Agustinillo

For comfortable weather, consider visiting San Agustinillo in January, February, November and December. Conditions are usually least favourable in June, July, August, September and October.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: January, February, November and December
  • Warmest weather: February, March, April, May, June, July, August, September, October and November
  • Most sunshine: March
  • Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
  • Wettest months: June, July, August, September and October, when rainfall is highest.
  • Seasonal pattern: Distinct dry (December to April) and wet (June to October) seasons

Frequently asked questions about the climate in San Agustinillo

What is the best time to visit San Agustinillo?

January, February, November and December typically offer the most optimal weather in San Agustinillo. In contrast, June, July, August, September and October tend to have less optimal conditions. San Agustinillo has distinct dry (December to April) and wet (June to October) seasons.

What temperatures can I expect in San Agustinillo?

Daytime highs range from 29°C (84°F) in January to 30°C (86°F) in April. Nighttime lows range from 23°C (73°F) to 25°C (77°F). Temperatures stay relatively stable year-round.

How much rain does San Agustinillo get?

Annual rainfall is around 2559 mm (101 in). September is the wettest month with 630 mm (25 in), while February is the driest with 7.9 mm (0.3 in).

How sunny is San Agustinillo?

San Agustinillo receives around 2,642 hours of sunshine per year. March is the sunniest month with 277 hours, while September is the cloudiest with just 152 hours. Overall, San Agustinillo enjoys abundant sunshine.

San Agustinillo 3-Day Forecast

San Agustinillo on the map

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