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Has the climate in Autlán de Navarro changed?

Autlán de Navarro has cooled about 1.4°F between 1971 and 2000.

About 0.6°F per decade, measured from Autlán de Navarro's official daily weather records, 1971–2000. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Autlán de Navarro's climate has warmed more slowly than most other cities in Mexico.

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.

Freezing nights
about the same
1970s
0 / yr
Recent
0 / yr
Winters about as cold as before
Average temperature
−1.2°F
1970s
74.3°F
Recent
73.1°F
A small downward drift
Hot days above 90°F
1 fewer day
1970s
124 / yr
Recent
123 / yr
Slightly fewer hot days
Rainy days
about the same
1970s
66 / yr
Recent
64 / yr
Rainfall pattern about the same

Autlán de Navarro's temperature, year by year

Average temperature for each year from 1971 to 2000.

70°72°74°76°78°1971: 72.5°F1972: 74.2°F1973: 74.2°F1974: 74.4°F1975: 74.5°F1976: 74.6°F1977: 75.5°F1978: 75.5°F1979: 76.1°F1980: 76.0°F1987: 72.6°F1989: 72.0°F1991: 73.0°F1992: 71.6°F1993: 72.1°F1994: 72.4°F1995: 72.3°F1996: 73.3°F1997: 71.0°F1999: 74.7°F2000: 75.6°Flong-term trend197119802000
a warmer-than-average year a cooler-than-average year

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.

In day-to-day terms, that long-term shift shows up as about 9 fewer days above 90°F compared with the 1970s.

When in the year the change shows up

How much warmer each month is now than in the 1970s. Useful if you garden or care about a particular season — otherwise the headline above already has the answer.

-1.5°-1.0°-0.5°0.0°+0.5°+1.0°+1.5°+2.0°+2.5°+3.0°+3.5°+4.0°+4.5°January: +2.1°F+2.1JFebruary: +3.1°F+3.1FMarch: +3.4°F+3.4MApril: +3.8°F+3.8AMay: +4.2°F+4.2MJune: -0.1°F-0.1JJuly: -0.1°F-0.1JAugust: -1.0°F-1.0ASeptember: -0.6°F-0.6SOctober: -0.8°F-0.8ONovember: -1.0°F-1.0NDecember: +1.0°F+1.0D

May has warmed the most — about 4.2°F. The warming runs across the whole year, not just one season.

Methodology & sources

Temperature — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at El Chante, about 18 km from the city centre.

How we build these numbers →