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Has the climate in Manatí changed?

Manatí has warmed about 1.4°F between 1971 and 2010.

About 0.4°F per decade, measured from Manatí's official daily weather records, 1971–2010. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Manatí's warming is broadly in line with other cities in Puerto Rico — 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
about the same
1970s
0 / yr
Recent
0 / yr
Winters about as cold as before
Average temperature
+0.9°F
1970s
76.5°F
Recent
77.3°F
A steady upward drift
Hot days above 90°F
28 more days
1970s
54 / yr
Recent
82 / yr
More days of serious heat
Rainy days
45 fewer days
1970s
177 / yr
Recent
132 / yr
Drier on average

Manatí's temperature, year by year

Average temperature for each year from 1971 to 2010.

73°75°77°79°1971: 74.9°F1972: 76.2°F1973: 76.8°F1974: 75.9°F1975: 76.0°F1976: 75.5°F1977: 76.8°F1978: 77.1°F1979: 76.2°F1980: 77.3°F1981: 77.0°F1982: 76.6°F1983: 77.6°F1984: 76.6°F1985: 76.1°F1986: 76.6°F1987: 77.5°F1988: 76.0°F1989: 74.8°F1990: 75.2°F1991: 75.4°F1992: 74.6°F1993: 76.5°F1994: 77.5°F1995: 77.0°F1996: 75.9°F1997: 77.1°F1998: 77.6°F1999: 76.4°F2000: 76.5°F2001: 77.4°F2002: 77.3°F2003: 77.9°F2004: 76.9°F2006: 78.0°F2007: 78.3°F2008: 76.8°F2009: 77.0°F2010: 77.7°Flong-term trend19711980199020002010
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 2 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.

-0.5°0.0°+0.5°+1.0°January: +0.6°F+0.6JFebruary: +0.4°F+0.4FMarch: +0.4°F+0.4MApril: +0.1°F+0.1AMay: +0.4°F+0.4MJune: +0.5°F+0.5JJuly: -0.0°F-0.0JAugust: +0.5°F+0.5ASeptember: +0.5°F+0.5SOctober: +0.6°F+0.6ONovember: +0.4°F+0.4NDecember: +0.3°F+0.3D

October has warmed the most — about 0.6°F. The warming runs across the whole year, not just one season.

Methodology & sources

Temperature — 1991–2020 normals computed from 19 years of daily observations at Corozal Substn, a weather station, about 18 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →