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Has the climate in Rotorua changed?

Rotorua has warmed about 1.6°F between 1997 and 2024.

About 0.6°F per decade, measured from Rotorua's official daily weather records, 1997–2024. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Rotorua's climate has warmed faster than most other cities in New Zealand.

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.

Average temperature
+1.2°F
1970s
53.1°F
Recent
54.3°F
A steady upward drift

Rotorua's temperature, year by year

Average temperature for each year from 1997 to 2024.

50°52°54°56°1997: 52.0°F1998: 54.8°F1999: 53.6°F2000: 53.3°F2001: 53.2°F2002: 52.8°F2003: 52.9°F2004: 52.0°F2005: 53.8°F2006: 52.3°F2007: 53.4°F2008: 53.6°F2009: 52.2°F2010: 53.9°F2011: 53.8°F2012: 52.2°F2013: 54.2°F2014: 53.4°F2015: 53.7°F2016: 55.0°F2017: 53.9°F2018: 54.3°F2019: 54.3°F2020: 53.8°F2021: 54.3°F2022: 54.9°F2023: 54.4°F2024: 54.0°Flong-term trend19972000201020202024
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.

Methodology & sources

Temperature — 1991–2020 normals computed from 24 years of daily observations at Taupo Aws, a weather station, about 68 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →