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Has the climate in Bay Shore changed?

Bay Shore has warmed about 1°F since 2004.

About 0.5°F per decade, measured from Bay Shore's official daily weather records, 2004–2025. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Bay Shore'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
about the same
1970s
87 / yr
Recent
87 / yr
Winters about as cold as before
Average temperature
+0.6°F
1970s
53.6°F
Recent
54.2°F
A steady upward drift
Hot days above 90°F
6 more days
1970s
9 / yr
Recent
15 / yr
More days of serious heat
Rainy days
9 more days
1970s
120 / yr
Recent
129 / yr
Wetter on average

Bay Shore's temperature, year by year

Average temperature for each year from 2004 to 2025.

50°52°54°56°2004: 52.3°F2005: 53.2°F2006: 53.9°F2007: 53.4°F2008: 53.9°F2010: 54.2°F2011: 54.2°F2012: 55.6°F2013: 53.1°F2014: 51.8°F2015: 53.4°F2016: 54.6°F2017: 54.7°F2018: 53.2°F2019: 53.0°F2020: 54.9°F2021: 54.5°F2022: 53.7°F2023: 55.1°F2024: 54.8°F2025: 53.3°Flong-term trend2004201020202025
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 Centerport (NOAA GHCN station USC00301309), about 21 km from the city centre.

How we build these numbers →