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San Agustinillo Weather and Climate: A Comprehensive Guide

San Agustinillo has relatively stable weather with warm temperatures. It is also known for its large amounts of rainfall. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

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 in April to a comfortable 29°C in the coolest month, January.

Nights are cooler, with lows often dropping to around 23°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

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

In contrast, February offers drier and sunnier days, with around 7.9 mm 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 over the year

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


Average water temperature

The mean water temperature over the year ranges from 26°C in December to 29°C in May.

Water temperature over the year


Forecast for San Agustinillo

Sat   Jan 11
34°C | 21°C
SW 3 m/s
partly cloudy and no rain

partly cloudy and no rain

Sun   Jan 12
34°C | 22°C
S 3 m/s
almost clear and no rain

almost clear and no rain

Mon   Jan 13
34°C | 22°C
S 3 m/s
clear and no rain

clear and no rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit San Agustinillo in Mexico

San Agustinillo has high temperatures year round ranging between 28°C and 30°C.
The best time to visit is during the drier months: January, February, March, April and December.

Other facts from our historical weather data:
  • When is the rainy season in San Agustinillo?
    Rainy season in San Agustinillo occurs in the months of June, July, August, September and October.
  • Does San Agustinillo have a dry season?
    Yes, the months of January, February, March and December are very dry.
  • Which is the hottest month in San Agustinillo?
    April has an average maximum temperature of 30°C and is the hottest month of the year.
  • Which is the coolest month in San Agustinillo?
    The coolest month is January with an average maximum temperature of 29°C.
  • Which is the wettest month in San Agustinillo?
    September tops the wettest month list with 630 mm of rainfall.
  • Which is the driest month in San Agustinillo?
    February is the driest month with 8 mm of precipitation.
  • Which is the sunniest month in San Agustinillo?
    March is the sunniest month with an average of 277 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.