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Has the climate in Gravataí changed?

How Gravataí's climate has changed

About 0.1°F per decade, measured from Gravataí's official daily weather records, 1998–2020. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Gravataí's climate has warmed more slowly than most other cities in Brazil.

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
about the same
1970s
68.8°F
Recent
69.0°F
Year-round temperature has barely moved
Hot days above 90°F
about the same
1970s
0 / yr
Recent
0 / yr
About the same number of heat days
Rainy days
about the same
1970s
0 / yr
Recent
1 / yr
Rainfall pattern about the same

Gravataí's temperature, year by year

Average temperature for each year from 1998 to 2020.

65°67°69°71°73°1998: 68.3°F2000: 68.7°F2001: 72.5°F2008: 66.8°F2009: 67.7°F2010: 68.7°F2011: 67.9°F2012: 68.9°F2013: 68.7°F2014: 69.2°F2015: 69.4°F2016: 67.8°F2017: 69.8°F2018: 68.8°F2019: 69.9°F2020: 68.8°Flong-term trend1998200020102020
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 fewer days above 90°F compared with the 1970s.

Methodology & sources

Temperature — the official 1991–2020 climate normals from INMET, Brazil's national meteorological institute, measured at Porto Alegre, about 21 km from the city centre.

How we build these numbers →