Oxnard climate

Name: Oxnard
Address: US

Oxnard is warmest in August, with average highs of 25 °C, and coldest in January, when nights average 8.9 °C. February is the wettest month (92 mm) and August the driest (0.3 mm). Figures are 1991–2020 climate normals.

Across a full year Oxnard averages 391 mm of rain and 49 days above 25 °C.

United States · 16 m elevation · population 207,254 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 25 °C
Coldest month January 8.9 °C
Driest month August 0 mm
Wettest month February 92 mm
Least cloud August 23 % cloud
Hottest on record October 38 °C
Coldest on record February 2.3 °C
Warmest sea August 19 °C

What to expectOxnard through the year

Oxnard has a clear annual cycle: average daily highs run from 17 °C in January to 25 °C in August, a swing of 8.4 °C in mean temperature across the year.

Counted across a normal year, 49 days a year reach 25 °C, 3 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in October.

Rain is strongly seasonal. February averages 92 mm against 0 mm in August — 370 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Oxnard is warmest in August at 19 °C and coldest in March at 14 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	16.9 °C	90 mm	46 %
February	16.8 °C	92 mm	46 %
March	17.5 °C	68 mm	44 %
April	18.8 °C	22 mm	35 %
May	20.0 °C	9 mm	36 %
June	21.9 °C	1 mm	31 %
July	23.8 °C	2 mm	28 %
August	24.8 °C	under 1 mm	23 %
September	24.3 °C	3 mm	25 %
October	22.6 °C	18 mm	29 %
November	19.7 °C	24 mm	34 %
December	16.9 °C	60 mm	42 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	16.9 °C	8.9 °C	12.5 °C	29.2 °C	2.5 °C	0	0
February	16.8 °C	9.1 °C	12.6 °C	28.0 °C	2.3 °C	1	0
March	17.5 °C	9.9 °C	13.5 °C	29.3 °C	4.4 °C	1	0
April	18.8 °C	11.0 °C	14.8 °C	30.5 °C	4.3 °C	1	0
May	20.0 °C	13.0 °C	16.3 °C	31.9 °C	7.8 °C	2	0
June	21.9 °C	14.9 °C	18.2 °C	32.0 °C	10.4 °C	3	0
July	23.8 °C	17.0 °C	20.2 °C	34.5 °C	13.0 °C	9	0
August	24.8 °C	17.6 °C	20.9 °C	32.2 °C	13.4 °C	13	0
September	24.3 °C	17.0 °C	20.4 °C	33.3 °C	11.3 °C	11	1
October	22.6 °C	14.9 °C	18.4 °C	37.6 °C	8.8 °C	7	1
November	19.7 °C	11.7 °C	15.3 °C	32.5 °C	5.1 °C	2	0
December	16.9 °C	9.2 °C	12.6 °C	27.7 °C	2.5 °C	0	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	90 mm	6	10 h/day	46 %	75 %	14 km/h	14.6 °C
February	92 mm	6	11 h/day	46 %	75 %	16 km/h	14.5 °C
March	68 mm	5	12 h/day	44 %	77 %	16 km/h	14.4 °C
April	22 mm	3	13 h/day	35 %	73 %	18 km/h	14.4 °C
May	9 mm	1	14 h/day	36 %	75 %	17 km/h	15.5 °C
June	1 mm	0	14 h/day	31 %	76 %	15 km/h	17.2 °C
July	2 mm	0	14 h/day	28 %	77 %	14 km/h	18.8 °C
August	under 1 mm	0	13 h/day	23 %	76 %	14 km/h	19.4 °C
September	3 mm	1	12 h/day	25 %	76 %	14 km/h	19.3 °C
October	18 mm	2	11 h/day	29 %	73 %	14 km/h	18.5 °C
November	24 mm	3	10 h/day	34 %	71 %	13 km/h	16.9 °C
December	60 mm	5	9.9 h/day	42 %	72 %	14 km/h	15.3 °C

How Oxnard compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Oxnard	25 °C	8.9 °C	391 mm	49
Santa Clarita · United States	33 °C	5.2 °C	342 mm	178
Glendale · United States	32 °C	6.7 °C	395 mm	176
Los Angeles · United States	32 °C	7.0 °C	347 mm	189

Where Oxnard ranks

Ranking	Position	Value
Places with the best weather in North America in October	2ndof 50	96/100
The driest places in North America in August	2ndof 50	0.3 mm
Places with the best weather in North America in June	3rdof 50	95/100
Places with the best weather in North America in September	4thof 50	93/100
Places with the best weather in North America year-round	5thof 50	89/100
Places with the best weather in North America in July	8thof 50	93/100

Planning a trip? See the best time to visit Oxnard.

QuestionsCommon questions about Oxnard’s climate

When is the best time to visit Oxnard?

That depends on what you want, so the honest answer is a comparison rather than a single month. July, August, September sit closest to 20 °C on average, August is the warmest month and August the driest. The month-by-month table above has the full picture.

How hot does Oxnard get?

In August, the warmest month, daily highs average 25 °C. About 3 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average 8.9 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Oxnard?

February, averaging 92 mm over 6 days with rain. The driest month is August with 0 mm. The year as a whole averages 391 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Oxnard rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.