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Has the climate in San Juan del Río changed?
San Juan del Río has cooled about 4.1°F between 1995 and 2020.
About 1.6°F per decade, measured from San Juan del Río's official daily weather records, 1995–2020. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.
What has actually changed
Each card compares the 1970s (the first ten years of the record) with recent years (the last ten) — the same span the headline and the chart use.
San Juan del Río's temperature, year by year
Average temperature for each year from 1995 to 2020.
Each bar is one year. Most recent years sit above the older ones. Some recent years still came in cool — warming is a slope, not a straight climb.
Methodology & sources
Temperature — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at San Juan Del Rio (dge), about 2 km from the city centre.