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Weather extremes

How extreme does Granite Bay's weather get?

The hottest, coldest, wettest and snowiest days Granite Bay has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 50+ years of daily weather observations (1971–present), from the Sacramento 5 Ese station 32 km away. Updated through June 2025 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Granite Bay has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
116°F Sep 6, 2022

That is about 27°F hotter than a normal September afternoon in Granite Bay (typical high near 89°F).

The three most extreme on record

1 116°F Sep 6, 2022recent
2 113°F Jul 14, 1972
3 113°F Jul 10, 2021
❄️ Coldest night
18°F Dec 22, 1990

About 23°F colder than a normal December night in Granite Bay (typical low near 41°F).

The three most extreme on record

1 18°F Dec 22, 1990
2 21°F Dec 23, 1990
3 22°F Dec 21, 1990
🌧️ Most rain in one day
5.44 in Oct 24, 2021

More rain in a single day than Granite Bay usually gets in the whole month of October (typical October total about 0.9 in).

The three most extreme on record

1 5.44 in Oct 24, 2021recent
2 3.21 in Feb 17, 1986
3 3.11 in Jan 24, 2000
Most snow in one day
0.7 in May 3, 1989

Top recorded days

1 0.7 in May 3, 1989

How hot and cold it gets, month by month

The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.

-10°10°30°50°70°90°110°130° all-time high 116°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Granite Bay's record heat sits well above even a hot day for the season — September's 116°F is about 27°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.

In plain terms

In a normal year, Granite Bay's warmest days reach the mid-90s°F and its coldest nights drop to the low 40s°F. But across the record it has gone as high as 116°F and as low as 18°F. A single day has delivered over 5 inches of rain or close to 1 inches of snow. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Sacramento 5 Ese (NOAA GHCN station USW00023271), about 32 km from the city centre.

How we build these numbers →