San Juan de los Lagos Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in San Juan de los Lagos, Jalisco, Mexico. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Let's now guide you through the details for a complete overview.
Generally, San Juan de los Lagos experiences moderate precipitation patterns, averaging 657 mm (26 in) yearly. However, this average masks significant seasonal variation, including a distinct dry season during certain months that are clearly visible in our monthly breakdown below.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Significant seasonal changes in precipitation occur throughout the year. During the wettest month, July receives substantial rainfall, averaging 157 mm (6.2 in) of precipitation, recorded across 16 rainy days.
In contrast, the driest month, April brings less rainfall, with 4.9 mm (0.2 in) over a single rainy day.
July, the wettest month, has a maximum daytime temperature of 28°C (82°F). The city receives 202 hours of sunshine in this period. During the driest month April you can expect a temperature of 31°C (88°F). For more detailed insights into the city's temperatures, visit our San Juan de los Lagos Temperature page.
Annual Rainfall in Mexico: City Comparison
The map below shows the annual precipitation across Mexico. You can also select the different months in case you are interested in a specific month.
heavy rainfall
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San Juan de los Lagos vs World: Rainfall Compared
San Juan de los Lagos's average annual precipitation is 657 mm (26 in). Let's compare this to some popular worldwide tourist destinations:
Chicago, USA, sees an annual precipitation of 1062 mm (42 in), with rain and snow contributing to its humid climate.
Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.
In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.
Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
Climate change is affecting precipitation patterns worldwide, including San Juan de los Lagos:
- Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
- Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.
- Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
- In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
- Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.
For more detailed information about San Juan de los Lagos's weather, including sunshine hours, humidity levels, and temperature data, visit our San Juan de los Lagos Climate page.
