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Has the climate in Ciudad Mante changed?

Ciudad Mante has warmed about 1.7°F between 1971 and 2009.

About 0.5°F per decade, measured from Ciudad Mante's official daily weather records, 1971–2009. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Ciudad Mante's warming is broadly in line with other cities in Mexico — neither unusually fast nor unusually slow.

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
1 fewer night
1970s
1 / yr
Recent
0 / yr
Milder winters — fewer frosts
Average temperature
+1.3°F
1970s
75.9°F
Recent
77.2°F
A steady upward drift
Hot days above 90°F
5 more days
1970s
188 / yr
Recent
193 / yr
More days of serious heat
Rainy days
11 fewer days
1970s
75 / yr
Recent
64 / yr
Drier on average

Ciudad Mante's temperature, year by year

Average temperature for each year from 1971 to 2009.

73°75°77°79°81°1971: 76.7°F1972: 76.2°F1973: 75.3°F1974: 76.5°F1975: 76.5°F1976: 74.3°F1977: 76.0°F1978: 76.0°F1979: 75.7°F1980: 76.3°F1981: 76.3°F1982: 76.7°F1983: 76.6°F1984: 75.2°F1985: 75.3°F1986: 76.3°F1987: 75.4°F1988: 76.3°F1989: 76.8°F1990: 77.5°F1991: 76.4°F1992: 74.9°F1993: 74.9°F1994: 77.3°F1995: 77.7°F1996: 76.5°F1997: 76.5°F2005: 77.7°F2006: 77.9°F2007: 77.0°F2008: 77.6°F2009: 79.2°Flong-term trend1971198019902009
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 4 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.

-0.5°0.0°+0.5°+1.0°+1.5°+2.0°+2.5°January: +1.9°F+1.9JFebruary: +2.1°F+2.1FMarch: +0.2°F+0.2MApril: +0.1°F+0.1AMay: +0.5°F+0.5MJune: +0.8°F+0.8JJuly: +0.8°F+0.8JAugust: +1.1°F+1.1ASeptember: +0.3°F+0.3SOctober: +0.6°F+0.6ONovember: -0.1°F-0.1NDecember: +1.2°F+1.2D

February has warmed the most — about 2.1°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 E.t.a. 067 Ciudad Mante, inside the city.

How we build these numbers →