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Has the climate in La Paz changed?

La Paz has warmed about 1.4°F between 1973 and 2024.

About 0.3°F per decade, measured from La Paz's official daily weather records, 1973–2024. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? La Paz's warming is broadly in line with other cities across South America — 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
30 more nights
1970s
112 / yr
Recent
142 / yr
Colder winters — more frosts
Average temperature
+1.0°F
1970s
45.0°F
Recent
46.0°F
A steady upward drift
Hot days above 90°F
about the same
1970s
0 / yr
Recent
0 / yr
About the same number of heat days
Rainy days
30 more days
1970s
77 / yr
Recent
107 / yr
Wetter on average

La Paz's temperature, year by year

Average temperature for each year from 1973 to 2024.

42°44°46°48°1973: 46.5°F1974: 46.0°F1975: 45.9°F1976: 45.5°F1977: 45.6°F1978: 44.4°F1979: 44.0°F1980: 44.7°F1981: 44.6°F1982: 44.6°F1983: 46.3°F1984: 44.2°F1985: 44.1°F1986: 43.9°F1987: 45.6°F1988: 45.0°F1989: 44.5°F1990: 44.6°F1991: 45.0°F1992: 45.2°F1993: 44.8°F1994: 44.9°F1995: 45.6°F1996: 44.2°F1997: 45.0°F1998: 46.9°F1999: 44.3°F2000: 44.3°F2001: 44.8°F2002: 45.7°F2003: 45.8°F2004: 45.9°F2005: 44.9°F2006: 44.7°F2007: 44.9°F2008: 44.3°F2009: 45.1°F2010: 46.2°F2011: 45.0°F2012: 45.3°F2013: 46.0°F2014: 46.3°F2015: 46.1°F2016: 46.9°F2017: 46.3°F2018: 45.5°F2019: 46.2°F2020: 46.5°F2021: 46.1°F2022: 45.6°F2023: 47.1°F2024: 47.6°Flong-term trend1973198019902000201020202024
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 19 more freezing nights a year 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°January: +0.7°F+0.7JFebruary: +1.5°F+1.5FMarch: +1.4°F+1.4MApril: +0.4°F+0.4AMay: -1.0°F-1.0MJune: +0.4°F+0.4JJuly: +0.1°F+0.1JAugust: -0.2°F-0.2ASeptember: +0.5°F+0.5SOctober: -0.3°F-0.3ONovember: +1.1°F+1.1NDecember: +0.9°F+0.9D

February has warmed the most — about 1.5°F. The warming runs across the whole year, not just one season.

Methodology & sources

Temperature — 1991–2020 normals computed from 27 years of daily observations at EL Alto Intl, a weather station, about 5 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →