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Weather extremes

How extreme does Port Hueneme's weather get?

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

Based on 28 years of daily weather observations (1998–present), from the Oxnard Ventura Co Ap station 6 km away. Updated through May 2026 — 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 Port Hueneme has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
123°F Oct 13, 1999

That is about 50°F hotter than a normal October afternoon in Port Hueneme (typical high near 74°F).

The three most extreme on record

1 123°F Oct 13, 1999
2 122°F Aug 8, 2001
3 122°F May 19, 2021
❄️ Coldest night
4°F Jan 12, 2010

About 42°F colder than a normal January night in Port Hueneme (typical low near 46°F).

The three most extreme on record

1 4°F Jan 12, 2010
2 30°F Dec 23, 1998
3 31°F Jan 30, 2002
🌧️ Most rain in one day
4.86 in Dec 21, 2023

More rain in a single day than Port Hueneme usually gets in the whole month of December (typical December total about 2.1 in).

The three most extreme on record

1 4.86 in Dec 21, 2023recent
2 3.33 in Jan 9, 2005
3 3.26 in Feb 17, 2017

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°150° all-time high 123°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Port Hueneme's record heat sits well above even a hot day for the season — October's 123°F is about 50°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, Port Hueneme's warmest days reach the mid-70s°F and its coldest nights drop to the mid-40s°F. But across the record it has gone as high as 123°F and as low as 4°F. A single day has delivered over 5 inches of rain. 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 Oxnard Ventura CO AP (NOAA GHCN station USW00093110), about 6 km from the city centre.

How we build these numbers →