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Has the climate in Palenque changed?

Palenque has cooled about 1.3°F between 1971 and 2011.

About 0.6°F per decade, measured from Palenque's official daily weather records, 1971–2011. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Palenque'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
−0.9°F
1970s
78.8°F
Recent
77.9°F
A small downward drift
Hot days above 90°F
5 fewer days
1970s
178 / yr
Recent
173 / yr
Slightly fewer hot days
Rainy days
25 fewer days
1970s
131 / yr
Recent
106 / yr
Drier on average

Palenque's temperature, year by year

Average temperature for each year from 1971 to 2011.

74°76°78°80°82°1971: 79.7°F1972: 79.9°F1974: 78.9°F1975: 79.8°F1976: 78.0°F1977: 79.1°F1987: 75.7°F1988: 79.3°F1990: 81.0°F1991: 79.8°F1992: 78.9°F1993: 78.8°F1994: 79.3°F1995: 79.9°F1996: 77.2°F1997: 77.9°F1998: 79.1°F1999: 80.5°F2000: 78.8°F2004: 79.0°F2006: 76.0°F2008: 75.1°F2009: 77.9°F2011: 76.6°Flong-term trend1971199020002011
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 12 more 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.

-2.0°-1.5°-1.0°-0.5°0.0°+0.5°+1.0°+1.5°January: +0.5°F+0.5JFebruary: +1.0°F+1.0FMarch: -0.2°F-0.2MApril: +0.0°F+0.0AMay: -1.6°F-1.6MJune: -1.2°F-1.2JJuly: -0.8°F-0.8JAugust: -0.7°F-0.7ASeptember: -1.5°F-1.5SOctober: -1.2°F-1.2ONovember: -0.6°F-0.6NDecember: +0.0°F+0.0D

May has cooled the most — about 1.6°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 Salto De Agua (dge), about 38 km from the city centre.

How we build these numbers →