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Has the climate in Isla Vista changed?

Isla Vista has warmed about 1°F since 2009.

About 0.6°F per decade, measured from Isla Vista's official daily weather records, 2009–2025. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Isla Vista's warming is broadly in line with other cities in United States — 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
2 fewer nights
1970s
2 / yr
Recent
0 / yr
Milder winters — fewer frosts
Average temperature
+1.1°F
1970s
57.5°F
Recent
58.6°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
56 fewer days
1970s
132 / yr
Recent
76 / yr
Drier on average

Isla Vista's temperature, year by year

Average temperature for each year from 2009 to 2025.

56°58°60°62°2009: 57.7°F2010: 57.2°F2011: 57.0°F2012: 58.0°F2013: 57.8°F2014: 60.8°F2015: 61.2°F2016: 59.7°F2017: 59.8°F2018: 59.9°F2019: 58.8°F2020: 59.2°F2021: 58.1°F2022: 59.8°F2023: 58.3°F2024: 58.0°F2025: 59.0°Flong-term trend2009201020202025
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 — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Santa Barbara 11 W (NOAA GHCN station USW00053152), about 2 km from the city centre.

How we build these numbers →